Duromax 440cc Stage 4 Kit. This kit includes a high-quality air filter, air filter adap
This kit includes a high-quality air filter, air filter adapter, and a jet kit, all This video is a guide on how to install the Go Power Sports, Predator 420 stage 1 kit. 00 Happy Holidays Sale! $ 804. In today's video we cut apart a 1981 Honda Odyssey FL250 to install a stage 4 Duromax 440cc (18hp) engine. This kit includes a Do other jet kits work for the carburetor on a XP13000HX? Needing a high altitude jet kit, DMXP- 15HX-HAJ-2, but Duromax is out of stock, curious If other Jets will Easily upgrade the features of your outdoor power equipment with the choice of this durable DUROMAX Shaft Overhead Valve Portable Electric Start Engine. " How Bad Could It Be? 30Hp 40Ft-Lbs Of Torque!!! Duromax 440cc Stage 4 Engine Build Last viewed on: Oct 20, 2025. Allows up to 35+ HP from a 440 Engine. Whether you're upgrading your go-kart, ATV, or small vehicle, trust in our performance kits to It was quiet, had lots of torque, and would go 30mph on the top end, although 25 mph was a more comfortable speed. We have kits that are compatible with the Honda GX series, Chinese OHV, Predator, DuroMax, Tillotson, and more. com FREE DELIVERY possible on eligible purchases Hop Up Kit; GX340 to GX390, 420 Predator, & 13/15hp OHV; Stage 2 0 Reviews Our Price: $190. 7 Gallon Fuel Tank Runs on Standard 87 Octane Gasoline Electric Start Key Switch Box Alternate Start System: E-Z Pull Recoil Starter Air Cleaner: 24hp Stage 2 440cc Build | Billet Rod & Flywheel, 34mm Mikuni, . Simple to install, you can expect significant New motor, new build, 18hp Duromax 440cc stainless header stage 1 air filter pod stock governor stock EPA carb (non-adjustable) choke on-starts/idles and puffs a little black smoke at We specialize in Honda GX120, GX160, GX200 and 6. These engines are also built to be compact and lightweight while still providing Buy DuroMax 440 Carb Jet Kit 6 Sigma Custom Carburetor Stage 1-2-3: Jets & Jet Kits - Amazon. In today's vide we take the old 440cc 18hp DuroMax engine from the Tandem Mini Bike and tear it apart for a fresh performance build for the Gravy Bones Custo I don't know much about the engine and I have just recently got into dirt track racing at the moment I am running a predator engine but I have a duromax 440 cc engine that I would like to Duromax 440 build-reving it up! Clone Engine Swaps Engine Kit, GX390/420, 440cc, +. It still had the stock carb the day I sold it. 308cam, double valve springs Seller Said "This ATV Just Needs A Carb Clean. 5 Clone Performance for Karting, 1/4 Midget, Mini Bike, Mokai, Winch Boarding, Tractor Pulling, and Bar Today we answer the most asked question on our channel. We break down the engine and test for flywheel, rod, cam, valve springs, intake size The Stage 2: 420cc Hemi Predator / GX390 Performance Kit is a high-quality upgrade kit that will improve the performance of your engine. 60 Transform your racing performance engine into a high-performance powerhouse with precision-engineered performance kits from GoPowerSports! Explore our premium selection of high-quality kits What is a good site for big block preformance parts duramax 440 and others DuroMax Engines DuroMax XP16HP and XP18HP DuroMax XP7HP 208cc Engine Showing 1 - 48 of 294 items Sort by: Autolite The Stage 1 Performance Kit for 301/420cc Engines is the perfect upgrade for anyone looking to boost their engine's performance. This engine will put down almost double the The DuroMax XP18HP is our powerful 439cc 4-stroke OHV Powerhouse. Today we tear down and build a Duromax 440cc engine using parts from Go Power Sports. I am not affiliated with Go Power Sports in anyway, I just like their The DuroMax XP18HPE is our largest and most powerful single cylinder engine we offer; this 439cc 4-stroke OHV Powerhouse is suitable for multiple heavy-duty applications including go karts, pressure Stage 4 Hop Up Kit for 420 Predator OHVs & 13/15hp Clones This kit is similar to our Stage 3, but adds a ported and milled head with stainless valves, a stud kit, Duromax 440cc Stage 4 Engin 2 days ago · 0 views 03:26 30Hp 40Ft-Lbs Of Torque!!! Duromax 440cc Stage 4 Engin 2 days ago · 1 view 03:01 301cc Harbor Freight Engine Build ~ Mini Basic kit for improving the performance of GX390s, 420 Predators, 440 Duromax, and 13/15hp (440-460cc) OHVs. " what parts fit the Duromax 18hp 440cc engine". This engine is suitable for multiple heavy-duty applications including go karts, Features 439cc 4 Stroke OHV Engine Large 1. 00 Stock Status:In Stock Stage 4 Kit for 440 Duromax, featuring everything from a Ported and Milled Head with Stainless Valves, Stud Kit, and HD Valve Train Components. Whether your engine belongs on a kart, mini bike, or any other street/track and Built to withstand harsh environments and heavy-duty demands, DuroMax engines are known for their rugged toughness. 200 Billet Crank, 90mm Forged Piston 0 Reviews Our Price: $894. Stage 4 Kit for 440 Duromax, featuring everything from a Ported and Milled Head with Stainless Valves, Stud Kit, and HD Valve Train Components. Stage 4 Hop Up Kit for 440cc Duromax 92mm Engines This kit is similar to our Stage 3 kit for 13/15HP engines, but is tailored to a 92mm bore and adds a Stage 4 Hop Up Kit for 440cc Duromax 92mm Engines This kit is similar to our Stage 3 kit for 13/15HP engines, but is tailored to a 92mm bore and adds a Explore our premium selection of high-quality kits meticulously crafted to unlock the full potential of your engine.