Stage 3 Hop Up Kit for 420 Hemi Predators A step up from our Stage 2 kit, this will further empower the 420, producing up to 20+ HP! *Note* Unlike the Stage 2, this kit will not work with OHVs! For a GX390 & 13/15hp OHV Stage 3 kit, click here.
Kit Includes:
Race/Open Air Filter & Adapter
Heavy Duty Valve Springs
Aluminum Flywheel Recoil Start
Offset Timing Key
280 Lift Cam
Billet Rod +.040" Longer
Carb, Side Cover, and Valve Cover Gaskets
Optional Header/Exhaust
Optional Aluminum Flywheel
Pictures are for reference only and may show optional parts. Please see above description for actual contents.
