PRC 247cc CNC Ported Cylinder Heads

PRC performance cylinder head engineered for LS-platform builds.

• 247cc intake runners (CNC)
• 47cc chambers for optimized compression
• 2.100" intake / 1.600" exhaust (typical LS cathedral) (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 LS-platform applications
• Flows exceptionally well for high-RPM combinations