PRC LS7x 285cc CNC Ported 400+ CFM Heads

PRC performance cylinder head engineered for LS7 builds. 285cc intake runners (CNC) 85cc chambers for optimized compression 2.205" intake / 1.610" exhaust (typical LS7) (typical spec) TSP .660 spring kit with PAC springs & titanium retainers CNC-machined valve guides and precision seat work Street/strip proven with excellent torque and horsepower balance Direct bolt-on for LS7 applications Thicker deck and robust port work for durability at power