Articles tagged #PERFORMANCE UPGRADE
Articles tagged
#PERFORMANCE UPGRADE
Big-Block Chevy 454 Top-End Upgrade: Edelbrock RPM Heads, Intake, and COMP Cam
A Gen VI 454 pulled from a wrecking yard produced 369 hp in baseline trim. After installing Edelbrock RPM 454-O aluminum heads, a Performer RPM Air Gap intake, and a COMP XR271HR12 hydraulic roller cam, output climbed to 481 hp and 527 lb-ft of torque.