PRC LS3 As-Cast Cylinder Heads

Performance Wheels of Texas Verified independent store

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PRC performance cylinder head engineered for LS3/L92/L99 builds. None (As-Cast) 68–71cc chambers for optimized compression 2.165" intake / 1.600" exhaust (typical LS3) (typical spe c) 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 LS3/L92/L99 applications Show more