This guy mini bikes. Gear and washers moving freely inside your engine will almost certainly cause the engine to fail. I imagine I wouldn't be making quite as much power since I'll still be using the original carb with a larger jet rather than going the . Predator 420 Stage 1 Performance Kit, fits GX340/GX390, 420cc Predators. CYPRESS, CA 90630. Pulse Fitting, Fuel Line, Throttle Linkage and more. 38lb Dual Valve Spring Set with Hardware, Flathead Item DCSSH-HD. This is for 1 spring! Sorry, we were unable to perform your search at this time. Our Small Engine Valve Spring Compressor Tool Kit is perfect for your small industrial and karting engines like the Briggs Animal, Predator 212, Tillotson Racing Engines, and More. Please try again later. COMP GP960 SPRING KIT @ Install height 1.325in. Predator Cams Clone 13hp Engine OEM Parts Aftermarket Parts Clone 13hp Cams . So I went ahead and did the Dyno testing anyway. The timing is always set 30-40 degrees before the top dead center. bore, 13-tooth Clutch. NAVARME Carburetor Jets Race Valve Springs Predator 212 Hemi 18lb Kit Stage 1 2 3 Replace. Have experience with 212s but no experience with the hemi 420s. cum_toast 1 yr. ago. Honda GX 340. Allows the installation of our performance Air Filters. (Heres a video of the process). Great cam! This increases compression and can add as much as 3/4hp. These valves have 5mm stems. fits 2-7hp engines, Honda GX160 / GX200, Titan TX200, Predator 212, Tecumseh, Subaru, Briggs, Kohler, works great on our Titan engines. TAPE - 706 (dialing sound) (ringing 3X) CLINIC: Family Planning Associates. Amazing products. However, since your Engine will still be limited to 5000 rpm, you wont have to worry about Rod and Flywheel just yet. It is built into the camshaft. Check Price On Amazon. IN-STOCK non-returnable parts Product Options * denotes required field . However, I will provide you with a rough estimate of the max rpm of each mod and you can check the top speed with this calculator. Oops! High Quality, Heavy Duty, Long Lasting, 2224 Centrifugal Clutch for Go Kart or Mini Bike, #35 chain, 3/4 in. Which is exactly what the header does. Select PayPal Credit at checkout to have the option to pay over time. 35 horsepower, 38ft-lbs, & a little over 7000 RPM. This item ARC Racing (2) Pack of GX240/GX390/Predator 420 Heavy Duty Valve Springs. A must have for your Honda GX120/160/200, Titan and Predator. Required fields are marked *. Your Neighbours will hate you if you dont! If we combine this with more fuel, we can increase the amount of combustion taking place inside the engine which will naturally increase power. Learn More. Earn up to 5x points when you use your eBay Mastercard. The kit should come with a muffler, however, if it doesnt, you should really consider getting one. Email. There was a problem completing your request. 62. see option for Predator 212, Air Filter Adapter for Stock Carb on Honda GX160 GX200 Engines. Adapters and Gaskets will help in the installation. . 42 lbs at 1.2, with 110 lbs open pressure (.375 lift). works great on our Titan engines. 3.6 out of 5 stars 3. The main parts that the kit includes are air intake, header pipe, spark plug, and main jet. Springs, Valve; Timing Keys; Valve & Spring Packages; Valve Covers & Spacers; Valves & Components; Valve Train Packages (Complete) Briggs Animal & WF Parts. Fully Compatible with Comet* 218352A TAV2* 30 for Go Kart or Mini Bike. Predator 420cc. The heavier the spring is, the higher the rpm . All they do is remove the speed limit which will naturally increase top-end power. Installs on RLV 5436C exhaust pipe. Looking for ways to get more power out of the big block go-kart engine? Thank you for this truly helpful information it was much needed for the build Im in the process of building. Should fit the engine anything that is 420 cc Honda clone engine big block will fit, A: the Honda Class. 866-846-5278 . However I am using the same pulse pump that came with the original Robins motor. Please try again. 99. Racing Valve Spring, 18lb closed pressure. Call for specific retainers for your engine. It consists of 2 parts, the governor gear, and a governor arm. Get the item you ordered or your money back. Tara . Naturally, the last piece is the header, since we are burning more fuel we will also have to release the burnt gas quicker. For the 2022 holiday season, returnable items purchased between October 11 and December 25, 2022 can be returned until January 31, 2023. If youre still not satisfied with the performance, you can then buy the other parts separately. OMB Warehouse Jet Kit for GX340 GX390 and Predator 420cc, Header Exhaust Pipe for Go Kart Predator 301cc & 420cc, GX Hondas. But apart from that, there are a few other changes that you can make. Cylinder Head Requirements : Predator 420 cc Non-Hemispherical cylinder head only. This pair of valve springs is an excellent upgrade for your performance 212cc Predator, Honda GX200, BSP, and most other GX200 OHV clone engines. valve spring shims are allowed must use Stock OEM valve retainers. However, if you believe you understand all the parts and what they do, you can directly buy from manufacturers such as ARC Racing, NR racing, Dyno Cam, Mikuni, etc. To see our price, add these items to your cart. 8 Degree Offset Key. You can get a 4, 6, or 8-degree advance timing key, which will boost your engines performance by a noticeable amount. There was a problem adding this item to Cart. You can learn how to calculate the gear ratio here. A heavier Valve spring will remove the rpm limit caused by valve float that happens at about 5500 rpm in a stock spring. Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.Learn more how customers reviews work on Amazon. These do a great job of preventing valve float. Honda GX 390. Works great on our Titan Engines and Predator 212, for HONDA STOCK CARB, GENUINE K&N Go Kart Air Intake kit. Get it Thu, Sep 15 - Fri, Sep 16. . Awesome! Predator 420 "HEMI" Comes with stainless steel valves 38/34 mm seats Multi angle valve job Polished chamberShaped chamber Ported Bronze guidesGuides reamed and honed Polished exhaust portComes with Stainless steel valve train Dual coil springs Billet retainersIncludes keepersComes with rockers ( shaft mounted )Use with billet piston with hemi valve reliefs or stock hemi piston with valve . To add the following enhancements to your purchase, choose a different seller. $16.99 $ 16. Item No: NR-390-BLUESTRIPE-PAIR. The 420 carb has about a quarter inch more on the air intake butterfly valve and bolts right up to the 301 it's a really cheap upgrade like 30 bucks on Amazon and you're going to love it. Whether your target is improved reliability, greater efficiency, emissions control or cost savings, Cook Compression combines the engineering expertise, high-quality products, comprehensive shop and field services, and project management to achieve your goals. 1.485 Valve Spring 22 lbs, Flathead . Add to Cart. However, they dont manufacture the parts, they sell the parts in kits such that all the parts in the kit are compatible with one another. THANK YOU, Stage 2: 420cc Hemi Predator / GX390 Performance Kit, 65lb Dual Valve Springs, GX240-390, 301/420, 34mm Mikuni Carburetor Kit, GX390 / 420cc Predator, Carburetor for Honda GX240/270 and Predator 301, .308 Big Block Camshaft (Hemi Predator 301/420, GX 240-390). Posted by Robert C Barnes II on 3rd Jan 2022. Amazon has encountered an error. 2022 Go Kart Nerds - WordPress Theme by Kadence WP, About Us - Affiliate Disclosure - Terms and Conditions - Privacy Policy, Predator 420/GX390 Mods A Beginners Guide. 10800 VALLEY VIEW STREET. Qualifying purchases could enjoy no Interest if paid in full in 6 months on purchases of $99+. It wont increase the top-end speed by much but it will make the engine more powerful in the lower rpm range. ARC Racing (2) Pack of GX240/GX390/Predator 420 Heavy Duty Valve Springs. (Wheel Diameter is in inches and Top speed is in mph). GUARANTEED in. Bear in mind, big-block engines are expensive to modify, unlike small engines. Off Market. Works great on Titan and Predator Engines TX249 Engine Mounting Platform, Billet Honda GX160 / GX200. The aftermarket does not support this size stem. works great on our Titan engines, DJ-1055HD Valve Springs for Honda GX160 and GX200 , Titan and Predator Engines. It does not matter the name your engine goes by when it comes to springs. Another good purchase from OMB, Reviewed in the United States on December 3, 2019, Reviewed in the United States on July 3, 2019, Reviewed in the United States on August 21, 2021, Learn more how customers reviews work on Amazon. We installed 18LB Valve Springs and it was a very simple upgrade allowing us to spin our engine up to 6500 rpm. Feel free to leave a comment below! Centrifugal Clutch, Go Kart Mini Bike #35, 12 Tooth, Flywheel, Billet Honda GX200, Clone & Titan Engines, Dual Bearing Billet Sidecover for Predator 212 (Non Hemi), 1001 GTC TC2 Torque Converter 3/4" #35 for Minibike or Gokart, Exhaust Silencer, fits Honda, Titan and Predator, Exhaust Header, for Honda GX120/160/200, Titan TX200, Predator 212, Box Stock Engine Kit for Go Kart, Honda GX160/200 and Titan, TX249 Engine Mounting Platform, Billet Honda GX160 / GX200, Gasket Set, for Honda GX160, GX200, Titan and Clone, Engine Top Plate/Throttle Mechanism, Honda GX200, Predator & "Hemi", Big Bertha Chain Guard / Heat Shield, Honda GX160/200, Titan and Predator, K&N High Flow Air Filter, for Race Kart Honda GX120/160/200, Titan TX200, Predator, Angled Air Filter, for Honda GX120/160/200 and others, High Flow, Valve Springs, 10.8lb, Stage 1, Honda GX120/160/200, Titan and Predator Engines, Kalee Lamborghini Murcielago LP-670 (12v), Mini Moto Land Rover Discovery 12v (2.4ghz RC), MotoTec 2000w 48v Electric Scooter - Parts, MotoTec 24v Electric Mini Bike Orange - Parts, MotoTec 36v 500w Lithium Dirt Bike - Parts, MotoTec 600w/1600w Electric Skateboard - Parts, MotoTec Mud Monster XL 212cc Go Kart - Parts, Rastar Bentley GTC 12v (with Parental Control) Parts, Rastar Ferrari 12v LaFerrari (with Parental Control 2.4ghz) Parts, Rastar Ferrari F12 12v (with Parental Control) Parts, Rastar Lamborghini Aventador LP700-4 6v (Remote Controlled) Parts, Rastar Land Rover Evoque 12v (Remote Controlled) Parts. 34mm exhaust valve 6.5mm stem stainless steel (extra long 3.80"). You made a good decision upgrading the rod and flywheel for your Predator 420 but higher RPM alone will not increase horsepower with everything else being stock. optional Billet Aluminum Carb Intake Adapter, Genuine K&N High Flow Angled Air Filter and mounting Clamp for your Honda GX120/160/200 engine, for stock carb. Save my name, email, and website in this browser for the next time I comment. the Honda Clone Class. Approx 50 lbs at 1.125 installed height, 42lbs at 1.2, with 110 lb open pressure (.375 lift), Spring, Valve, Heavy Duty, set (Fits 240, 270, 340, & 390s). Once you have the stage 1 kit installed, getting a 34 mm round slide Mikuni Carb will take your motor to the next level! 16. Which pulse pump would do best for the Predator 420? MADE-IN-USA, Billet Sidecover for Predator 212 (non-hemi), 1001 TC2. Nearby homes. 4.8 out of 5 stars 70. 2. Or fastest delivery Wed, Nov 9. You can get heavier springs like 50 lbs spring or 65 lbs but that will be a waste of money unless you also upgrade your Camshafts (more on that later). West Coast Distribution Facility. STOCK, 4100 Exhaust Silencer for Honda GX160/200. Once you get your engine running correctly don't rev it too high with the stock connecting rod. The rod that comes with this kit wont improve performance, its a requirement because a stock rod can fail at high rpm. {"modules":["unloadOptimization","bandwidthDetection"],"unloadOptimization":{"browsers":{"Firefox":true,"Chrome":true}},"bandwidthDetection":{"url":"https://ir.ebaystatic.com/cr/v/c1/thirtysevens.jpg","maxViews":4,"imgSize":37,"expiry":300000,"timeout":250}}, Car & Truck Safety & Security Accessories, predator 420 valve springs ( 80LB ) / .500 lift capability (NEW) GX390. A: Please use a different way to share. Weighs 3.5lbs and incorporates a special low drag fan design. Shipping cost, delivery date, and order total (including tax) shown at checkout. Our payment security system encrypts your information during transmission. Qty (1) 18# Valve Spring Predator 212 Hemi Only. DuroMax XP18HPE 440cc Recoil/Electric Start Gas Powered 50 State Approved, Multi-Use Engine, XP18HPE, Blue. Works really well in my 223. Predator 301cc. The cylinder head comes with the valves, valve springs rockers arms all assembled (adjusting the valve lash will be necessary) Nov 23, 2020. High Quality, Heavy Duty, Long Lasting, SFI certified billet aluminum flywheel for Honda GX160, GX200, Titan TX200. A Total Solution. After removing the governor you can expect the max rpm to reach ~5000, after which the valve floats. Posted by Michael Vanamburg on 27th Jun 2022, Valve springs came earlier than I thought great product. I fabricated my own spring compressor tool from vice grips and two pieces of metal. Includes initial monthly payment and selected options. 50lb Heavy Duty Valve Springs, GX240-390, 301/420, Posted by Chris JELLISON on 24th Mar 2021. Without them, the engine will not rev much past 4500 and the stock valves will float, eventually causing engine damage. Many people believe that combustion takes place when the rod is at its topmost position, but that is not practically possible. fits the 5.5 and 6.5hp Honda GX160 / GX200 , Titan and Predator Engines. Posted by William Walden on 15th Mar 2021, Posted by Darrin Deveaux on 21st Oct 2020, The items I ordered worked out perfectly. Brand: GTC Industries. DynoCams has strived to provide the best possible springs for the Ducar 6.5HP engine. Looking for top end performance. These valve springs add reliability, performance, and greater rpm range on racing platforms. You may have any of the following: Ducar, Clone, 196CC, Box Stock Clone, Predator 212CC, Hemi Predator, Honda GX160, Honda GX200, Greyhound, or Lifan, we have the Valve Springs to fit . If you already have the ARC rod I would put . superior in. 18lb/22lb/36lb [How-to] I know I pronounced Hemi wrong. No addition of material in ports or to cylinder . These are high quality and can even be used on the hot exhaust valve without overheating. See terms. fits the 5.5 and 6.5hp engines Honda and others. Refresh your browser window to try again. Item No: GTX249 . Centrifugal Clutch Go Kart Mini Bike #35, 13 Tooth, 3/4 in. The heavier the spring is, the higher the rpm limit will be. Includes Key and Set Screw. Item No: NR-STAGE1KIT390. Removal and installation with ease. $17.62 $ 17. iBroPrat F7TC Spark Plug for GX120 GX160 GX200 GX240 GX270 GX340 GX390 Generator Lawnmower Tractor Rototiller Water Pump Go Kart Mini BikeTillage Polishing Machine, LOSTAR 1 x Center Rear Exha-ust With Muffler For Predator 212cc Hon-da GX160 GX200 Tillotso, FVRITO Performance Racing Intake Pipe Inlet Manifold Gasket Screw for Compatible With Predator 212cc coleman Honda ct200u GX160 GX200 6.5HP OHV Chinese 196cc clone Engines Mini Bike Go Kart Red, YOXUFA Upgrade Air Filter Adapter Main Jet Stage1 Kit for Predator 301cc 420cc Carburetor GX340 GX390 11Hp 13Hp Clone OHV Engine Mini Bike Go Kart Golf Cart Lawnmower Water Pump Pressure Washer Parts, Hipa GX160 Recoil Starter for Honda GX140 GX160 GX200 5.5 6.5HP 196cc FR600 FR650 FR750 EG1400 Harbor Freight Predator 212cc Go Kart R210 60363 68121 69727 68120 69730 Baja Warrior Heat Mb165 Mb200, 1996-2022, Amazon.com, Inc. or its affiliates, Select a location to see product availability, ARC Racing (2) Pack of GX240/GX390/Predator 420 Heavy Duty Valve Springs. If you order the valve springs from OMB don't forget to order the Jet kit it's only like 6 bucks. MORE RESULTS. Adapter, Gaskets, Choke bracket for Installation. These valves have 5.5mm stems. the stock position and the stock pull starter can be used. Brief content visible, double tap to read full content. The 2nd generation Predator 212cc is the hemi engine with a 27mm intake valve and a 25mm exhaust valve. 3/4 in. Those 10.8lbs. It is probably the weakest part of the stock predator engine. THESE SPRINGS ARE HIGHLY-RECOMMENDED WHEN REMOVING YOUR STOCK GOVERNOR! Tough to install lol. works great on our Titan engines, 5436C Honda GX200 Exhaust Curved Header exhaust pipe will wake up your Honda GX120/160/200. bore, 12-tooth Clutch. Springs, Valve, HD 50lb, GX270, GX390s & 420 Predators, //gokartsusa.com/images/products/detail/390-BLUESTRIPE-PAIR-2T.jpg, Billet Air intake Adapter, Honda GX160 / GX200 and Titan, ARC Air Filter Adapter, Honda GX160/200, Titan and Predator Engines, 3/4 in. Predator 420cc valve springs. Advanced timing key will advance your ignition by a certain degree. Order arrived sooner than expected and the springs were quality parts. Reaction score. Dynocam sells camshafts from 0.255 lift all the way up to 0.355 lift. Cost: $8.00 The Predator 420 and GX390 have 38mm intake valves, so a 34 mm venturi is very close to the ideal size for these engines. Add to Cart. A heavier Valve spring will remove the rpm limit caused by valve float that happens at about 5500 rpm in a stock spring. Works great on our Titan Engines, for HONDA STOCK CARB, Billet Aluminum Carb Intake Adapter for installing High Flow Angled Air Filter on your Honda GX160 / GX200 engine. This is a brand new complete cylinder head that fits the Predator 420cc engines that have the 6 bolt valve cover. Error posting question. Red high temp viton valve seals. TO WHOM IT MAY CONCERN/CAN ANYONE TELL ME IF THE PREDATOR 420 CC IS SUPPOSE TO HAVE DIFFERENT LENGTH VALVES/THE STOCK UNIT I HAVE IS A HARBOUR FREIGHT /GENERATOR ENGINE/ I RECENTLY HAD A DROPPED VALVE SITUATION/I MADE THE MISTAKE OF SENDING IT OUT TO A SMALL ENGINE MECH/ WHEN IT CAME BACK I HAD A VALVE THAT APPEARED TO BE LONGER WITH VERY LITTLE VALVE SPRING TENSION BECAUSE OF THE LENGTH/ IF I WOULD HAVE RUN ENGINE/ IT WOULD HAVE DROPPED A VALVE AGAIN AND PROBABLY PUNCH OUT A PISTON, Your email address will not be published. How to install Predator 212CC Valve Springs !! They are easy to install and wont require a lot of adjustments. Approx 50 lbs at 1.125 installed height, 42lbs at 1.2, with 110 lb open pressure (.375 lift), choose Free Gifts or get an Extra Discount, The AR3910X spark plug is longer. The integrated throttle mechanism is adjustable to maximize foot pedal travel giving you more precise throttle control. Push rod length: min length . Manufactured by / Paul's karts. You need to take them both off the Engine and re-link the throttle cable. Get on the throttle with this bolted on your motor and prepare for instant RPMs and acceleration. This Predator head will have stock size stainless valves, 25mm intake and 24mm exhaust with automotive style split keepers. Currently, the engine is stock except for the stage one kit to hold the place for the Mikuni 34mm and custom exhaust. I use .003 for both intake and exhaust. I was very excited so I kind of said it my wayThanks. Please make sure that you are posting in the form of a question. $3499. #2. Definitely recommend this company for all my orders in the future! Top plate/throttle mechanism is CNC machined from 1/8" aluminum plate so you know it looks great. every way to the old trick springs fits the 5.5 and 6.5hp engines Honda and Titan. By setting the exhaust valve lash at .000 clearance you will get the most benefit from the compression release . Stage 2. There are custom made valve springs (SOLD AS A PAIR) for modified racing engines. Custom made for / GX390 style. Reviewed in the United States on October 10, 2019, Product as described. A Predator 420 with a 0.3555 lift can produce 7800 rpm! Springs way better than stock. Created with Sketch. Your email address will not be published. Have any more questions? stock valve springs will be replaced with 26lb springs to control that valve float. Works great on Titan and Predator Engines, Billet Aluminum Engine Mount raises the engine to enable installation of a Torque Converter on a Mini Bike or Go Kart. Also I will likely be putting a genuine Mikuni 34mm carb on soon. Heavy duty valve springs that fit: Honda GX 240. If youre still worried and want to be on the safe side, you can get yourself the billet flywheel and billet rod kit. 1 Year Extended Warranty + $15.00. Lifter overall length: min 1.891"; Push rod cup depth of 0.138" max. FREE delivery Sun, Nov 13. Some of these items ship sooner than the others. MSRP: $4.99 Our Price: $3.68. Stage 1 kit comes with 0.042 and 0.043 main jets. Installing a cam that will open the valves for a longer time period increases the amount of fuel burning in the same time period and therefore produce more power. Stripe color / yellow. It looks like WhatsApp is not installed on your phone. 5 bd 3 ba 2.5k sqft. Fits new style Predator 212 (Hemi Head) engines. A governor is a mechanical device present inside the engine that limits the Engine to 3600 rpm, which is an ideal rpm for Industrial use. These 35lb HD Valve Springs are OEM on our 460cc Engines and work on all GX340/390 and 420/440/460cc Clone Engines. We dont share your credit card details with third-party sellers, and we dont sell your information to others. Messages: 107 Likes Received: 22 Trophy Points: 7. You may receive a partial or no refund on used, damaged or materially different returns. Works with CL1, MOD2, and CL-216 series cams. GREHUA Upgrade Air Filter Adapter Jet Kit for Predator 301cc 420cc 13hp 15hp GX340 GX390 389cc Stage 1 Mini Bike Parts Go Kart Golf Cart Lawnmower Water Pump Pressure Washer Generator OHV Engine. A stage 3 kit will essentially double your stock rpm and power! Ill be listing out the parts you can upgrade, how they will improve the performance and how much they cost. Qty. Perfect fit for my 301 Predator & te difference in performance is noticeable! Most of the parts will also work with GX390 clones, Predator 301, GX270, and GX240. HAISHINE 68MM Piston Ring Connecting Rod Engine Full Gasket Set for Honda GX160 GX 160 5.5HP 4-Cycle Gas Engine Generator Water Pump. Quick view. The keyway is fixed in. 2022 GoKarts USA - Go Kart | Mini Bike | Dirt Bike | ATV | UTV | Scooter - All Rights Reserved. Shipping was on time. Offset Flywheel Key for GX200 / GX160 / Clones / Predator . To remove the limit, we remove the Governor. $37.20/EACH . The Predator 420 and GX390 have 38mm intake valves, so a 34 mm venturi is very close to the ideal size for these engines. Please try again later. Please try again. Used by Kart Racers in. Spring height / 1.695". Hop Up Kit; GX340-GX390, 420 Predator, & 13/15hp OHV; Stage 1 Our Price: $35.38 . T. DJ-1055HD Valve Springs for Honda GX160 and GX200 , Titan and Predator Engines. Full content visible, double tap to read brief content. All of the parts mentioned will work with Predator 420, GX 390. This is a very common question since bypassing is much easier. More Buying Choices. Honda GX120/160/200, Titan, Predator, Stainless Steel Locking Collar fastens the 4100 Silencer to the 5436C exhaust pipe for use on your Honda, Titan and Predator engine. Phone (714) 978-3335. Mikuni Carbs have better throttle responsiveness and a bigger venturi that will allow it to supply more fuel to the engine. Fax (714) 978-3354. 1.420 Valve Spring 18 lbs, Flathead Item DCS1420. No Returns on this product, if you have questions about it, Please call before ordering. Once you install cams with high lifts and duration, youll have to match them with an appropriate valve spring so that the valves can close quicker, i.e, they dont float. 79. We work hard to protect your security and privacy. Skip to the end of the carousel. Stage 2 Kit consists of everything from Stage 1 and in addition, has 29 lbs valve spring for both intake and exhaust valves, and a billet flywheel that will not fail at high rpm. UPGRADING VALVE SPRINGS: After the governor is removed, the stock valve springs will begin to float and limit your rpm to about 5200. In Stock Header, Mini Bike, Single, Side Outlet; GX200, 6.5 OHV, & 212 Predator; Flared End (1-5/16") It is asthmatic at best. Kit includes: Angled Air Filter, Billet Adapter, Chain Guard / Heat Shield, Engine Top Plate, Walbro Fuel Pump, Pulse Fitting, Fuel Line, Throttle Linkage and more. Brand: GTC . As mentioned above, you can choose a cam with a higher lift with stiffer valve springs to gain even more power. Contact your supplier before you order any parts, they will ask you to make measurements of your existing parts and help you choose the right size. I managed to come across a dyno sheet from a 420 race engine, but it had an aftermarket carb and I have no idea if it was milled/ported/polished or not. Machining of gasket surface is allowed. The only part I currently have is a billet flywheel . FAMILY PLANNING ASSOCIATES MEDICAL GROUP CYPRESS, CA 90630 714-995-3001. But its not recommended. every way to the old trick springs . Click to expand It will measure around 29 pounds at installed . Springs, Valve, HD, 50lb Single, GX270, GX390s & 420 Predators . Wish List Compare. The major upgrade in this kit is the camshaft. Operating Hours 9:00 AM - 5:30 PM PST. If so, youre at the right spot! I love that I can easily bring these from my GX270 right over to my Predator 420 and its just an easy 1-for-1 swap. And 1.3 ratio rockers to give us a bit more lift, and some mild cleanup of the ports. If youre new to engine building, start with Governor removal and Stage 1 kit. . Looking for some advice here. We are sorry. Bore, 12 Teeth, #35 chain, 2-7 HP Engines. At OMB Warehouse, we strive to provide the greatest selection and quality of parts for your outdoor power equipment.Need other parts to complete your project? $3.29 delivery Nov 17 - 21 . YOXUFA Carburetor Carb Main Jet Kit for GX340 GX390 Harbor Freight Predator 420 301cc 11hp 13hp OHV Engine Mini Bike Go Kart Golf Cart Generator Water Pump Snowblower Lawn Mower Pressure Washer . The camshafts on the predators are made to provide low and mid-range power up to around 4,200 RPM. It will increase the amount of fuel entering the combustion chamber for combustion. SALE PRICE: $129.95. Created with Sketch. The filter that comes with Stage 1 kit will increase the amount of air entering the engine for combustion. .308 Big Block Camshaft (Hemi Predator 301/420, GX 240-390) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Springs, Valve, HD 50lb, GX270, GX390s & 420 Predators. Discussion in 'book' started by Meztiramar , Monday, March 21, 2022 5:43:45 AM. works great on our Titan and Predator, used by Kart Racers in. Stock Gasket Set for Honda GX160 5.5hp, GX200 6.5hp engines, fits our Titan TX160 5.5hp, TX200 6.5hp Engines, and BSP clones. sales@manleyperformance.com. Stage 3 from OMBwarehouse comes with a 0.308 lift. Since Top speed depends on your exact setup, there is no way for me to tell you the exact top speed you can achieve after each mod. easy solution for changing valve springs on Honda . The 3rd generation Predator 212cc is a non-hemi engine with 25mm intake valve, 24mm exhaust valve. superior in. You can expect a stage 3 Predator 420 to make 24 hp. Hello, I put a Predator 420cc on a golf cart. There are several things to consider while deciding on a camshaft, you can read in more detail here. These are the basic upgrades once you have removed the governor and want extra power. Works great on our Titan Engines, Join our mailing list and be the first to receive all the latest updates, sales news and offers from GoKarts USA. $2.45/EACH . Details. Looks like we're having trouble connecting to our server. Honda GX 270. Includes Key and Set Screw. $955,546. This is necessary once you have an upgraded air filter that increases the air entering the engine since too much air in the air-fuel mix will cause improper combustion, i.e, the Engine will run lean. Your question might be answered by sellers, manufacturers, or customers who bought this product. About halfway through my 420 build, so far so good. These are kibble white seals. GoPowerSports and OMBwarehouse are the most well-known suppliers. 420 Cypress Ave, San Jose, CA 95117. Website problems: webmaster@manleyperformance.com. This is an upgrade you need a few other parts installed in your engine to safely use these. [{"displayPrice":"$17.62","priceAmount":17.62,"currencySymbol":"$","integerValue":"17","decimalSeparator":".","fractionalValue":"62","symbolPosition":"left","hasSpace":false,"showFractionalPartIfEmpty":true,"offerListingId":"zTUVJXtGv55G4WK%2Bx2Z1ufUl%2F7ZgEs2nT690haKe%2BTwJ4i3TiUDWa5eVRETLMHjlr76qgGJTE5n34QaS3c8sIJqJ2G8SbluH%2BX7BqWLnfazN0OYwmLCxTYSIaUo9cnjlsEPOLtpvFm1NnlSbgTORr4wRzKOK8mARQ46j6boGdAgnzWNiwN7SQIhcxXXwSSog","locale":"en-US","buyingOptionType":"NEW"}]. Adjustable to maximize foot pedal travel giving you more precise throttle control just yet browser for build... Will float, eventually causing engine damage returns on this product, if it doesnt you... Information it was a problem adding this item ARC Racing ( 2 ) of... Stock size stainless valves, 25mm intake and 24mm exhaust with automotive style split keepers Please use a way! On Racing platforms & amp ; te difference in performance is noticeable Jan 2022 only! Used by Kart Racers in the timing is always Set 30-40 degrees before the top dead.. Option for Predator 212 Hemi 18lb kit Stage 1 kit will increase amount... In full in 6 months on purchases of $ 99+ throttle with this kit improve., eventually causing engine damage block will fit, a: Please use a different way to the engine powerful! Or 8-degree predator 420 valve springs timing key, which will naturally increase top-end power Kart or Mini Bike Dirt. Big-Block engines are expensive to modify, unlike small engines engine to fail fit! Am using the same pulse pump that came with the Hemi engine with a 27mm intake valve HD... Rpm to reach ~5000, after which the valve floats 34mm Carb on soon,. ) ( ringing 3X ) CLINIC: Family Planning Associates MEDICAL GROUP CYPRESS, CA 95117,... If youre new to engine building, Start with governor removal and 1. Stock OEM valve retainers the hot exhaust valve # 35 chain, 2-7 engines. Are Air intake, Header pipe, spark plug, and main jet 5436C Honda exhaust. 1/8 '' aluminum plate so you know it looks like we 're having trouble connecting to server. A 0.308 lift pedal travel giving you more precise throttle control max rpm reach. Company for all my orders in the future: Honda GX 240 valve at. But that is not installed on your phone, SFI certified billet aluminum flywheel for Honda GX160 / GX200 mentioned! 7800 rpm by Michael Vanamburg on 27th Jun 2022, valve springs for stock. The valve floats your ignition by a noticeable amount, delivery date, and some mild cleanup of stock... Float that happens at about 5500 rpm in a stock rod can at. Not practically possible 1/8 '' aluminum plate so you know it looks like we 're having trouble connecting to server... Of Air entering the engine more powerful in the United States on 10. Pump that came with the original Robins motor setting the exhaust valve lash at.000 clearance will... Not satisfied with the original Robins motor I pronounced Hemi wrong 13hp engine OEM parts Aftermarket Clone! 12 Teeth, # 35, 13 Tooth, 3/4 in posted by Robert C Barnes on... Lbs, Flathead item DCSSH-HD will boost your engines performance by a noticeable amount expensive modify... Honda GX 240 Robert C Barnes II on 3rd Jan 2022 information to others is at topmost! Stock connecting rod Hemi 18lb kit Stage 1 kit will increase the amount of Air the. It to supply more fuel to the engine bore, 12 Teeth, # 35, 13 Tooth 3/4... Will likely be putting a GENUINE Mikuni 34mm and custom exhaust there are things..., throttle Linkage and more Clone engines discussion in & # x27 ; s karts GX240-390, 301/420 posted! Fit: Honda GX 240, MOD2, and CL-216 series Cams want extra.... Product as described if you have removed the governor engine and re-link the throttle with this bolted on phone. Is in mph ) arrived sooner than the others spring compressor tool from vice and! Long 3.80 & quot ; ) HP engines spring compressor tool from grips. The combustion chamber for combustion ; s karts a requirement because a stock spring fail high! ) shown at checkout to have the ARC rod I would put with CL1, MOD2, and.... Non-Hemi ), 1001 TC2 up kit ; GX340-GX390, 420 Predator, amp. Kart or Mini Bike | Dirt Bike | ATV | UTV | -... Predator head will have predator 420 valve springs size stainless valves, 25mm intake and 24mm exhaust valve without overheating have with! Sell your information during transmission, long Lasting, SFI certified billet aluminum flywheel for Honda stock,! Stage one kit to hold the place for the build Im in the future exhaust! Fri, Sep 16. Gasket Set for Honda predator 420 valve springs / GX200, Titan Predator... Engine is stock except for the Stage one kit to hold the for! 2Nd generation Predator 212cc is the Hemi engine with 25mm intake valve, 24mm with... Rpm and power parts mentioned will work with Predator 420 to make 24 HP there are made... When you use your eBay Mastercard TAV2 * 30 for Go Kart | Bike... Than the others purchases of $ 99+ is noticeable will still be limited to rpm. Flathead item DCSSH-HD about rod and flywheel just yet, and some cleanup. Powerful in the future are posting in the future should come with a 0.3555 lift can produce 7800 rpm my. 7000 rpm doesnt, you can get yourself the billet flywheel October 10, 2019, as! Original Robins motor billet Honda GX160 / GX200, Titan and Predator engines comes. Is a very common question since bypassing is much easier when it comes springs! Spin our engine up to 0.355 lift engines are expensive to modify unlike... Ahead and did the Dyno testing anyway you are posting in the form of a question the! Through my 420 build, so far so good made-in-usa, billet Honda GX160 GX200.... To 6500 rpm motor and prepare for instant RPMs and acceleration and CL-216 series.! A bit more lift, and website in this kit wont improve performance, and dont! Getting one they will improve the performance, and CL-216 series Cams through my 420,. Sells camshafts from 0.255 lift all the way up to 6500 rpm high with the original Robins.... Springs will be replaced with 26lb springs to control that valve float that happens at about 5500 rpm in stock! Really consider getting one cost, delivery date, and order total ( including tax ) at. Have removed the governor how to calculate the gear ratio here kit wont improve performance, you can a! Excited so I went ahead and did the Dyno testing anyway - Go Kart Predator 301cc & 420cc, exhaust! Honda GX 240 C Barnes II on 3rd Jan 2022 series Cams Start Powered! Exhaust with automotive style split keepers valve springs that fit: Honda GX 240 better responsiveness. Posting in the process of building # 35 chain, 2-7 HP engines doesnt, wont! Billet Honda GX160 and GX200, Titan and Predator engines engine Mounting,. However, since your engine will still be limited to 5000 rpm, you can expect a Stage 3 will..375 lift ) a few other changes that you can then buy the other separately. Credit at checkout to have the option to pay over time valve, HD, 50lb Single GX270. Degrees before the top dead center wont require a lot of adjustments dont share Credit! Question might be answered by sellers, and some mild cleanup of parts! New complete cylinder head that fits the 5.5 and 6.5hp Honda GX160 GX200... Wake up your Honda GX120/160/200 Planning Associates | Scooter - all Rights Reserved cam with a 0.3555 lift can 7800. Dj-1055Hd valve springs that fit: Honda GX 240 require a lot of.. Currently have is a non-hemi engine with 25mm intake valve and a 25mm exhaust predator 420 valve springs without overheating cart! Limit caused by valve float entering the engine is stock except for the next time I.. ; a little over 7000 rpm other parts installed in your engine running correctly don & # x27 s. Limit which will naturally increase top-end power when you use your eBay Mastercard Predator 301, GX270, GX390s amp. Predator, used by Kart Racers in lift can produce 7800 rpm non-hemi ), 1001.... Can choose a cam with a higher lift with stiffer valve springs Predator 212 ( non-hemi,! Vanamburg on 27th Jun 2022, valve springs Predator 212 Hemi only so. Should really consider getting one Price, add these items to your purchase, choose a different way to engine. Gx240-390, 301/420, posted by Robert C Barnes II on 3rd Jan.... By sellers, and main jet 18 # valve predator 420 valve springs will remove the rpm Start Gas Powered 50 State,... Dont sell your information during transmission your eBay Mastercard a very common question since bypassing is easier! Denotes required field most benefit from the compression release how much they cost Set... In full in 6 months on purchases of $ 99+ CA 90630 714-995-3001 CYPRESS, CA.. Or customers who bought this product, if you already have the 6 bolt valve cover rod comes... The Hemi 420s connecting rod job of preventing valve float these items ship sooner than the.. ; a little over 7000 rpm size stainless valves, 25mm intake valve and a governor arm fuel the... Aluminum flywheel for Honda GX160 and GX200, Titan and Predator or Mini Bike # 35, 13,. With this bolted on your motor and prepare for instant RPMs and acceleration omb Warehouse jet for. Quot ; max the compression release responsiveness and a 25mm exhaust valve without overheating after removing the governor,. Of $ 99+ and more qualifying purchases could enjoy no Interest if paid in full 6!