PRC 15° 220cc As-Cast Cathedral Heads

Performance Wheels of Texas Verified independent store

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PRC performance cylinder head engineered for LS1/LS2/LS6 builds. 220cc intake runners (As-Cast) 20cc chambers for optimized compression 2.100" intake / 1.600" exhaust (typical LS c athedral) (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 LS1/LS2/LS6 applications Show more