421cc Cub Package

This package comes with:

• New 421cc cub cylinder 68mm bore.
• New 573 Wiseco pistons.
• New 4mil Hot Rods long rod (58 x 115) crank, trued, pinned, and double welded with bearings. 
• All new seals and gaskets.
• All new water plugs, stud extenders, head studs, and the correct domes.

Horse Power: HP should end up between 80-100. This depends on carbs, exhaust, compression & dome size, and port work.

Recommended Carbs: Keihin PWK 35-38mm. Stock carburetors do not have enough air flow for the top end. Carbs are not included in this package.

Best Suited For: The 421cc Cub package is best suited for sand dunes.  We can customize this package to fit your preference.