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Stage 2 Performance Kit for GX390 and Predator 420cc Engines

$430.84
In stock
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Stage 2 engine performance kit for GX390, Predator 420cc, and many 13 HP clone engines.

Price shown is the online purchase price. Free shipping · 30-day return policy

BrandOMB Warehouse
Part TypeStage 2 engine performance kit

Product Description

This OMB Warehouse Stage 2 kit includes an ARC billet flywheel, 50 lb valve springs, billet air filter adapter, choke bracket, angled air filter, air filter gasket, Denso spark plug, 1-1/8 inch OD header pipe, exhaust gasket, and .042 and .043 main jets. The air filter must be oiled for filtration. The included billet flywheel is not compatible with a Honda UT2 rev-limiting coil; coil R_12083 is specified for UT2-style coil applications.

Product Specifications

BrandOMB Warehouse
Included component.043 main jet
Compatibility noteBillet flywheel does not work with Honda UT2 rev-limiting coil
Specified replacement coilR_12083 for UT2-style coil

Motorcycle Compatibility

YearMakeModelPower / EngineVariant
—Predator420cc

Always compare the part number, dimensions, specifications, and compatibility details with your original part before ordering.