Brawler LS3 Style Cylinder Head

The Texas Speed Brawler LS3 Style CNC Ported Cylinder Heads offer a significant performance upgrade for LS1, LS2, LS3, L99, and LSA applications. Engineered with a CNC porting program based on the factory GM LS3 cylinder head casting, the Brawler heads ensure optimized airflow. They feature a 257cc intake port volume and a 71cc combustion chamber volume. The heads are equipped with TSP stainless steel valves (2.165" intake, 1.60" exhaust), a TSP/PAC dual .660 spring kit with titanium retainers, and CHE bronze guides for durability and performance. These fully assembled and tested cylinder heads boast a CNC 5-angle valve job. According to manufacturer claims, they deliver over 25 horsepower gains compared to stock 6.2L cylinder heads. The specifications include an intake port volume of 257cc and a combustion chamber volume of 71cc, with intake valve sizes of 2.165" and exhaust valve sizes of 1.60".