Chevy LS1 LS2 LS6 Cathedral Port Bare Aluminum Cylinder Head 225cc/62cc E42007. This product data sheet is originally written in English. Chevy LS1 LS2 LS6 Cathedral Port Bare Aluminum Cylinder Head 225cc/62cc BPE-3007. Bous Performance aluminum cylinder heads offer horsepower, torque and performance that your LS engine is capable of achieving. Features a raised rocker rail for improved rocker arm/valve cover clearance. Our cylinder heads have been carefully designed to achieve the economic growth from a cylinder head right out of the box, and yielding larger capabilities of port velocity with potential of more flow volume with intake and exhaust runners, with room for a CNC program that blends the bowls and Port matching the for greater forced induction of our cylinder heads throughout the RPM range. Overview: Cylinder Head Material: Aluminum Combustion Chamber Volume (cc): 62 Intake Runner Volume (cc): 225 Combustion Chamber Style: Open Intake Port Shape: Cathedral Port Intake Port Location: Standard Exhaust Port Shape: Round Exhaust Port Location: Standard Oiling Style: Through Pushrod. Intake Valve Diameter (in): 2.055′. Exhaust Valve Diameter (in): 1.600′. Chevy LS1 LS2 LS6 Cathedral Port Bare Aluminum Cylinder Head 225cc/62cc BPE-3007 Bous Performance aluminum cylinder heads offer horsepower, torque and performance that your LS engine is capable of achieving. Combustion Chamber Volume (cc): 62 Intake Port Shape: Cathedral Port Intake Valve Diameter (in): 2.055” Exhaust Valve Diame. LS1 Bare Cylinder head.