Skip to content

Parts

Filters

$
$

"Champion" HD Shaft Rockers for Predator 420 13HP & GX390

Original price $29.99
Original price $29.99 - Original price $29.99
Original price $29.99
Current price $22.99
$22.99 - $22.99
Current price $22.99

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
Original price $29.99
Original price $29.99 - Original price $29.99
Original price $29.99
Current price $22.99
$22.99 - $22.99
Current price $22.99
Save 23% Save %

"Champion" HD Shaft Rockers for GX200 & 212cc 6.5hp Clones

Original price $22.99 - Original price $22.99
Original price
$22.99
$22.99 - $22.99
Current price $22.99

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 details
Original price $22.99 - Original price $22.99
Original price
$22.99
$22.99 - $22.99
Current price $22.99

Studs for Champion Rockers

Original price $10.57 - Original price $10.57
Original price
$10.57
$10.57 - $10.57
Current price $10.57

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

Original price $10.57 - Original price $10.57
Original price
$10.57
$10.57 - $10.57
Current price $10.57

Predator Cable Clamp

Original price $16.99 - Original price $16.99
Original price
$16.99
$16.99 - $16.99
Current price $16.99

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 details
Original price $16.99 - Original price $16.99
Original price
$16.99
$16.99 - $16.99
Current price $16.99

85mm Analog Tach for Predator/212/420/670/Clone 0-8000 Tachometer

Original price $79.99 - Original price $79.99
Original price
$79.99
$79.99 - $79.99
Current price $79.99

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 details
Original price $79.99 - Original price $79.99
Original price
$79.99
$79.99 - $79.99
Current price $79.99

24mm Carb for the GX390 & 420/440/460 Clones

Original price $49.99 - Original price $49.99
Original price
$49.99
$49.99 - $49.99
Current price $49.99

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 details
Original price $49.99 - Original price $49.99
Original price
$49.99
$49.99 - $49.99
Current price $49.99

Performance Air Filter & Billet Adapter

Original price $52.94 - Original price $52.94
Original price
$52.94
$52.94 - $52.94
Current price $52.94

Performance Air Filter & Billet Adapter Our performance air filter & billet aluminum adapter fits the stock GX340/GX390 & Clone carbs.A...

View full details
Original price $52.94 - Original price $52.94
Original price
$52.94
$52.94 - $52.94
Current price $52.94

420/459cc Air Filter Box

Original price $49.99 - Original price $49.99
Original price
$49.99
$49.99 - $49.99
Current price $49.99

Replacement air filter box for our 420/459cc kits. No gaskets or hardware included.

Original price $49.99 - Original price $49.99
Original price
$49.99
$49.99 - $49.99
Current price $49.99

32mm Billet Intake Manifold / Adapter

Original price $29.99 - Original price $29.99
Original price
$29.99
$29.99 - $29.99
Current price $29.99

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 details
Original price $29.99 - Original price $29.99
Original price
$29.99
$29.99 - $29.99
Current price $29.99

Engine Hold Downs

Original price $49.40 - Original price $49.40
Original price
$49.40
$49.40 - $49.40
Current price $49.40

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 details
Original price $49.40 - Original price $49.40
Original price
$49.40
$49.40 - $49.40
Current price $49.40

Isolator With Pulse Fitting for GX390 Clone

Original price $10.98 - Original price $10.98
Original price
$10.98
$10.98 - $10.98
Current price $10.98

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

Original price $10.98 - Original price $10.98
Original price
$10.98
$10.98 - $10.98
Current price $10.98

Intake Gaskets for GX340/GX390 & Clones

Original price $9.88 - Original price $9.88
Original price
$9.88
$9.88 - $9.88
Current price $9.88

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

View full details
Original price $9.88 - Original price $9.88
Original price
$9.88
$9.88 - $9.88
Current price $9.88

Exhaust Gasket

Original price $5.86 - Original price $5.86
Original price
$5.86
$5.86 - $5.86
Current price $5.86

Exhaust Gasket OEM Exhaust Gasket on our GX440 Clones Also fits GX340, GX390 & GX420 Clones

Original price $5.86 - Original price $5.86
Original price
$5.86
$5.86 - $5.86
Current price $5.86

Multi-Layer Steel Headgasket - .020" - GX390 & Clones

Original price $14.28 - Original price $14.28
Original price
$14.28
$14.28 - $14.28
Current price $14.28

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

View full details
Original price $14.28 - Original price $14.28
Original price
$14.28
$14.28 - $14.28
Current price $14.28

Side Cover Gasket - 10 Bolt

Original price $16.48 - Original price $16.48
Original price
$16.48
$16.48 - $16.48
Current price $16.48

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 details
Original price $16.48 - Original price $16.48
Original price
$16.48
$16.48 - $16.48
Current price $16.48
Sold out

Stepped Exhaust Flange for GX390 & Predator 420

Original price $19.99 - Original price $19.99
Original price
$19.99
$19.99 - $19.99
Current price $19.99

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 details
Original price $19.99 - Original price $19.99
Original price
$19.99
$19.99 - $19.99
Current price $19.99

Stepped Exhaust Flange for Predator V-Twin 670cc 22hp

Original price $19.99 - Original price $19.99
Original price
$19.99
$19.99 - $19.99
Current price $19.99

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 details
Original price $19.99 - Original price $19.99
Original price
$19.99
$19.99 - $19.99
Current price $19.99

9ft Wiring Harness w/Keyswitch & Mount for HF Predator

Original price $99.99 - Original price $99.99
Original price
$99.99
$99.99 - $99.99
Current price $99.99

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 details
Original price $99.99 - Original price $99.99
Original price
$99.99
$99.99 - $99.99
Current price $99.99

14ft Wiring Harness w/Keyswitch & Mount for HF Predator (Limo Carts)

Original price $112.99 - Original price $112.99
Original price
$112.99
$112.99 - $112.99
Current price $112.99

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 details
Original price $112.99 - Original price $112.99
Original price
$112.99
$112.99 - $112.99
Current price $112.99

Key Switch (5-Wire) & Bracket

Original price $39.99 - Original price $39.99
Original price
$39.99
$39.99 - $39.99
Current price $39.99

Replacement 5-Wire Keyswitch & Bracket 2 Keys IncludedSwitch sends a constant ground when the key is in the OFF position.

Original price $39.99 - Original price $39.99
Original price
$39.99
$39.99 - $39.99
Current price $39.99

Keyswitch Mount

Original price $21.98 - Original price $21.98
Original price
$21.98
$21.98 - $21.98
Current price $21.98

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

Original price $21.98 - Original price $21.98
Original price
$21.98
$21.98 - $21.98
Current price $21.98

Billet V-Belt Pulley for use with 780R Clutch & Starter/Gen

Original price $94.13 - Original price $94.13
Original price
$94.13
$94.13 - $94.13
Current price $94.13

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 details
Original price $94.13 - Original price $94.13
Original price
$94.13
$94.13 - $94.13
Current price $94.13

Yamaha G2-G22 Driven (Secondary) Clutch

Original price $109.98 - Original price $109.98
Original price
$109.98
$109.98 - $109.98
Current price $109.98

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 details
Original price $109.98 - Original price $109.98
Original price
$109.98
$109.98 - $109.98
Current price $109.98

780 Primary Clutch w/Built-In Pulley

Original price $279.99 - Original price $279.99
Original price
$279.99
$279.99 - $279.99
Current price $279.99

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
Original price $279.99 - Original price $279.99
Original price
$279.99
$279.99 - $279.99
Current price $279.99

Compare products

{"one"=>"Select 2 or 3 items to compare", "other"=>"{{ count }} of 3 items selected"}

Select first item to compare

Select second item to compare

Select third item to compare

Compare