Cylinder Head, GX390 Predator 420cc Big Valve, Ported, Milled and Assembled Performance Racing Head
- In stock, ready to ship
- Inventory on the way
Big valve Honda GX390 aftermarket performance cylinder head. Our GX390 racing head includes cylinder head, big valve seats installed, multi-angle valve job, ported, milled, flow tested and assembled with 37.5mm diameter intake and 32mm diameter exhaust stainless steel valves, titanium valve spring retainers, automotive bead style valve locks and dual valve spring package.
SELECT THE AMOUNT YOU WOULD LIKE TO HAVE MILLED OFF OF THE HEAD DECK SURFACE.
SELECT THE AMOUNT YOU WOULD LIKE TO HAVE MILLED OFF OF THE HEAD DECK SURFACE.