Edelbrock Performer-Plus Camshaft Kit for Pontiac 350-455 V8

Edelbrock part #7157 Performer RPM Camshaft is designed for Pontiac 350-455 V-8 applications. This Edelbrock cam kit produced 422 HP & 441 ft-lbs. of torque when used with #7156 intake and #60599 cylinder heads on a 455 engine. The camshaft works well with high-performance's street applications, Performer RPM cams provide power from 1500 to 6500 rpm. This hydraulic lifter camshaft is dyno-matched to Performer RPM manifolds for high-rpm horsepower while still maintaining acceptable low-end torque. With 10 to 12 inches of manifold vacuum at idle, Performer RPM cams have more lift and duration than most street camshafts. Hydraulic flat tappet lifter s are included with each Performer RPM camshaft. Camshaft Specifications: - Duration @ .050 Intake: 231 degrees - Duration @ .050 Exhaust: 240 degrees - Lift @ Valve Intake: .470" - Lift @ Valve Exhaust: .470" - Lobe Separation: 113.5 Degrees - Intake Centerline: 112 Degrees - Idle Vacuum @ 1000 RPM's: 10"