Parts
Filters
"Champion" HD Shaft Rockers for Predator 420 13HP & GX390
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-Rock...
View full details"Champion" HD Shaft Rockers for GX200 & 212cc 6.5hp Clones
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...
View full detailsStuds for Champion Rockers
Pair of studs for Champion Shaft Rockers - GX200 and GX390.
Predator Cable Clamp
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...
View full details85mm Analog Tach for Predator/212/420/670/Clone 0-8000 Tachometer
85mm Analog Tach for Predator/212/420/670/Clone 0-8000 Tachometer Predator 670 Warning: Harbor Freight uses many different suppliers to make their ...
View full details24mm Carb for the GX390 & 420/440/460 Clones
24mm Bored Carb for the GX390 & 420/440 Clones ***This is an advanced product that requires advanced knowledge of carburetors to setup and tune...
View full detailsPerformance Air Filter & Billet Adapter
Performance Air Filter & Billet Adapter Our performance air filter & billet aluminum adapter fits the stock GX340/GX390 & Clone carbs.A...
View full details420/459cc Air Filter Box
Replacement air filter box for our 420/459cc kits. No gaskets or hardware included.
32mm Billet Intake Manifold / Adapter
32mm Billet Intake Manifold / Adapter Our Billet Intake Manifold / Adapter allows you to easily mount a Mikuni or Keihin style carburetor to your G...
View full detailsEngine Hold Downs
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...
View full detailsIsolator With Pulse Fitting for GX390 Clone
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
Intake Gaskets for GX340/GX390 & Clones Includes 3 OEM Intake Gaskets (2pc Cylinder Head to Isolator & Carb & 1pc Carb to Airbox) Fits ...
View full detailsExhaust Gasket
Exhaust Gasket OEM Exhaust Gasket on our GX440 Clones Also fits GX340, GX390 & GX420 Clones
Multi-Layer Steel Headgasket - .020" - GX390 & Clones
Multi-Layer Steel Headgasket - .020" - GX390 & Clones Multi Layer Steel Performance Headgasket for our GX460 Clone engines. 92mm Diameter .020...
View full detailsSide Cover Gasket - 10 Bolt
Side Cover Gasket - 10 Bolt OEM Crankcase Side Cover Gasket 10-Bolt Style exclusive to our 440/460cc Engines Will NOT fit 7-bolt blocks! No fitme...
View full detailsStepped Exhaust Flange for GX390 & Predator 420
Stepped Exhaust Flange for GX390, RX460 & Clones Our exhaust flanges are cut from .250" thick mild steel and CNC machined with a step in them t...
View full detailsStepped Exhaust Flange for Predator V-Twin 670cc 22hp
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...
View full details9ft Wiring Harness w/Keyswitch & Mount for HF Predator
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...
View full details14ft Wiring Harness w/Keyswitch & Mount for HF Predator (Limo Carts)
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...
View full detailsKey Switch (5-Wire) & Bracket
Replacement 5-Wire Keyswitch & Bracket 2 Keys IncludedSwitch sends a constant ground when the key is in the OFF position.
Keyswitch Mount
This Keyswitch Mount is compatible with our 5-wire keyswitch & wiring harnesses.
Billet V-Belt Pulley for use with 780R Clutch & Starter/Gen
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...
View full detailsYamaha G2-G22 Driven (Secondary) Clutch
Is your Yamaha Driven/Secondary Clutch worn out and in need of replacement? This kit comes with everything you need to replace your old worn second...
View full details780 Primary Clutch w/Built-In Pulley
780 Primary Clutch w/Built-In Pulley Looking for a clutch for your Big Block Swap? The 780 Clutch is very low profile and will fit in the tight Clu...
View full details