Parts

These are the famous "Champion" HD Shaft Rockers! They are arguably the best bang for your buck when it comes to valvetrain stability.A Shaft-Rocke...

Pair of studs for Champion Shaft Rockers - GX200 and GX390.

If you have a Predator V-Twin 670cc 22hp engine from Harbor Freight, you know just how cheap the factory cable clamps are. Our billet clamps are ma...

85mm Analog Tach for Predator/212/420/670/Clone 0-8000 Tachometer Predator 670 Warning: Harbor Freight uses many different suppliers to make their ...

24mm Bored Carb for the GX390 & 420/440 Clones ***This is an advanced product that requires advanced knowledge of carburetors to setup and tune...

Perfect for Go-Karts, Some Golf Carts, Mud Boats, Racing Lawnmowers, Minibikes, Powered Paragliders, etc.Some engines will have carb studs which ar...

This is a REPLACEMENT air filter box for our 420/459cc conversion kits.

32mm Billet Intake Manifold / Adapter Our Billet Intake Manifold / Adapter allows you to easily mount a Mikuni or Keihin style carburetor to your G...

Our Engine Hold Downs allow you to adjust your belt tension and front to back engine positioning much easier than using carriage bolts. These bille...

 Isolator With Pulse Fitting for GX390 Clones Fits Most GX390/Clones, 420s, 440s,& 460s. Does NOT fit Duromax engines, 625s or V-Twins.

Intake Gaskets for GX340/GX390 & Clones Includes 3 OEM Intake Gaskets (2pc Cylinder Head to Isolator & Carb & 1pc Carb to Airbox) Fits ...

Exhaust Gasket OEM Exhaust Gasket on our GX440 Clones Also fits GX340, GX390 & GX420 Clones  DOES NOT FIT THE PREDATOR 459!

Multi-Layer Steel Headgasket - .020" - GX390 & Clones Multi Layer Steel Performance Headgasket for our GX460 Clone engines. 92mm Diameter .020...

Our exhaust flanges are cut from .250" thick mild steel and CNC machined with a step to perfectly fit 1.25" x .090" steel tubing. Great for those D...

Stepped Exhaust Flange for Predator V-Twin Our Predator V-Twin stepped exhaust flanges are cut from .250" thick mild steel plate and will fit 1" st...

Dont want to deal with doing your own wiring? We have pre-made 9ft wire harnesses available for you to purchase! The harness includes a mount for y...

Don't want to deal with doing your own wiring? We have pre-made 14ft wire harnesses available for you to purchase! The harness includes a mount for...

This Keyswitch Mount is compatible with our 5-wire keyswitch & wiring harnesses.

This machined aluminum nut replaces the plastic nut on wiring harnesses & key switches shipped before 6/1/2025. This nut has a built in 1-1/8" ...

Billet V-Belt Pulley for use with 780R Clutch & Starter/Gen Our Billet V-Belt Pulleys are CNC machined in-house from 6061 Aluminum and setup fo...

7” Low Profile Primary Drive Clutch (780R) Looking for a clutch for your Big Block Swap? The 780 Clutch is very low profile and will fit in the tig...

7” Low Profile Primary Drive Clutch (780R) Looking for a clutch for your Big Block Swap? The 780 Clutch is very low profile and will fit in the tig...

Looking for a clutch for your EZGO or Yamaha Big Block Swap? This is the best quality and heaviest duty clutch on the market! It is made by CVTech ...