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Get 6 Months To Pay On Purchases of $99 or more with
The leader in GX Honda & Chinese OHV Performance
Ready to go Race Head
420 Hemi.
Heads are ported, bead blasted, flowed, & milled. Oversize Stainless Valves. Heads can be fitted with either single or dual springs. Single Springs recommended for 280 and smaller cams. Dual for 306 and larger cams.
Includes:
Rocker arms not included
Heads are typically built to order, Rocker arms not included.
Allow 1 to 3 days to ship
WARNING: Valve to piston interference can be an issue with Hemi heads and must be checked. Pistons may require notching.
Due to Valve size, valve face will extend beyond surface of head if head is milled