Sierra_47: Cylinder Head Assembly 5.7L GM 18-4485


Cylinder Head Assembly 5.7L GM

SKU: 47-4485 Categories: ,


Mercruiser / OMC / Volvo. New casting and complete assembly with new- stainless steel valves, hardened steel exhaust seats, valve springs, valve locks and retainers. All GM cylinder heads utilize high performance screw-in rocker arm studs in place of factory press in rocker arm studs.