Honda Performance Parts - GX340-GX390 - Performance Kits

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Air Filter Kit for Predator 301cc 420cc and GX240/270/340/390 Engines

Air filter adapter kit for 8-16HP OHV Clone engines (1) Air Filter (1) Adapter to fit GX240, GX270, GX340, GX390 and Predator 301 & 420 (1) Choke hold bracket (1) Gasket Airflow increase is so significant that your engines may require a carburetor...

$38.99

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Honda GX390 Predator 420 Stage 1 Performance Kit

Make sure you use a billet flywheel if you have taken the governor off of your motor!This Stage 1 Performance Kit will let your engine breathe better and make more power!Kit includes the following components(1) ARC_6929 Billet Adapter(1) ARC_DJ-1257...

$122.95

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Air Filter Adapter with Choke Bracket Predator 301/420 Honda GX340/390

New ARC Air Filter Adapter for the GX340/390 Predator 301cc 420cc. Designed for the GX340/390/Predator 301/420 stock Carburetor Accommodates 2 7/16" Air Filters (AFR175) Includes Billet Adapter, Choke Bracket and Intake/Air Box Gasket. FILTER IS NOT...

$26.99

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Clutch Bolt Kit for GX340 390 and Predator 420

Clutch bolt kit for the big block Gx390, Predator 420 engines.

$5.99

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Billet Engine Adapter Plate for DB30 to Big Block 8-13HP Engines

GX390 Motor Plates allows for an easy foolproof way to mount larger 9 hp and up (GX270, GX390, 420 CC) engines in a Mini-Bike, Doodle Bug, Baja , Motovox and many other custom applications. The mount allows for left to right engine adjustment for precise...

$69.99

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MUD BOAT

Stage 1 Mud Boat Kit GX390 Predator 420

Stage 1 Mud Boat kit for Honda GX270/390, Predator 301/420, and many 13-16HP Clone engines. Add more HP and torque to get that mud boat going! Kit includes Rear Exit Header and Muffler Exhaust Gasket Billet Air Filter Kit 2 Main Jets (.041 and ...

$119.99

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Honda GX390 Predator 420 13HP Clone Governor Removal Kit

Removing the governor on your stock engine can be done safely and easily with the matched components in this kit! We have included a billet flywheel, billet connecting rod, and all the gaskets needed to remove the governor on your GX390, Predator 420...

$369.95

$359.99

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Honda GX390 Predator 420 Stage 3 Performance Kit

Stage 3 Performance Kit for the Honda GX390, Predator 420, and many 13HP Clone engines. The matched components in this kit will wake up your engine and allow you to remove the governor safely The included billet flywheel will not work with the Honda UT2...

$559.99

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Valve Cover, Billet Aluminum - GX270 & GX390. Light Weight - BLACK

High-Quality Lightweight Billet Valve Cover for Big Block Honda's and 13/15hp Chinese OHVExtra tall to clear roller rockers - Includes pulse fitting and boltsBEST COVER ON THE MARKETAvailable in Unfinished Aluminum or Anodized Black (extra cost for...

$75.30

$74.99

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Honda GX390 Predator 420cc Stage 2 Performance Kit

Stage 2 Performance Kit for the GX390 engines, Predator 420cc, and many 13HP Clone engines. The matched components in this kit will wake up your engine! The included billet flywheel will not work with the Honda UT2 rev limiting coil. Use this coil if you...

$332.95

$292.99

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Honda GX390/Pred420 Go Kart kit - Stage 1

This is a stage 1 performance kit to put on any Honda GX390/Predator420 gokart kit. This cost effective easy to install kit will add 2+ horsepower to your stock engine. Click the picture for more details! Make sure you use a billet flywheel if you have...

$196.00

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