Brawler LS3 Style CNC Ported Heads w/ .660" Springs

PRC performance cylinder head engineered for LS3/L92/L99 builds.

• None (CNC)
• 68–71cc chambers for optimized compression
• 2.165" intake / 1.600" exhaust (typical LS3) (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 LS3/L92/L99 applications
• Budget-friendly LS3 CNC option with strong street performance