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  • "Champion" HD Shaft Rockers for GX390 / GX420 / GX440/ 460cc Clones
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    "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 $27.99
    $27.99 - $27.99
    Current price $27.99

    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...

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    Original price $29.99
    Original price $29.99 - Original price $29.99
    Original price $29.99
    Current price $27.99
    $27.99 - $27.99
    Current price $27.99
    Save 7% Save 7%
  • "Champion" HD Shaft Rockers for GX200 & 212cc 6.5hp Clones

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

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

    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...

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    Original price $29.99 - Original price $29.99
    Original price
    $29.99
    $29.99 - $29.99
    Current price $29.99
  • 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...

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    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 ...

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    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...

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    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...

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    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
    32mm Billet Intake Manifold / Adapter

    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...

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    Original price $29.99 - Original price $29.99
    Original price
    $29.99
    $29.99 - $29.99
    Current price $29.99
  • Engine Hold Downs

    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...

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    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 ...

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    Original price $9.88 - Original price $9.88
    Original price
    $9.88
    $9.88 - $9.88
    Current price $9.88
  • Exhaust Gasket

    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

    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...

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    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 440cc Engines Will NOT fit 7-bolt blocks!  

    Original price $16.48 - Original price $16.48
    Original price
    $16.48
    $16.48 - $16.48
    Current price $16.48
  • Stepped Exhaust Flange for GX390, RX460 & Clones

    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...

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    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

    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...

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    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...

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    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...

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    Original price $112.99 - Original price $112.99
    Original price
    $112.99
    $112.99 - $112.99
    Current price $112.99
  • 9ft Wiring Harness w/Keyswitch & Mount for 625cc Engines

    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 625cc Engines (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...

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    Original price $112.99 - Original price $112.99
    Original price
    $112.99
    $112.99 - $112.99
    Current price $112.99
  • Key Switch (5-Wire)

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

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

    Original price $16.48 - Original price $16.48
    Original price
    $16.48
    $16.48 - $16.48
    Current price $16.48
  • 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 Comet 780 Clutch & Starter/Gen

    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...

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