Edelbrock Performer-Plus Camshaft #2152 is designed for 400-425-455 Oldsmobile V8 engines and produce optimum torque from the low-end to the mid-range. Performer-Plus camshafts should be matched with Performer manifolds for vehicles operating from off-idle to 5500 rpm. The Performer-Plus #2152 is a smooth idling cam for daily drivers, trucks, vans, RVs and 4x4s. You can expect a major improvement in throttle response and torque. In the manifold section you'll find torque graphs showing the power gains from Performer manifolds and Performer-Plus cams. All camshafts include flat tappet lifters (except for cams designed for use with stock roller lifters), assembly lube and instructions. This cam produced 445 Ft Lbs of Torque when paired with Performer Olds 455 intake manifold #2151 and stock cylinder heads. Will not fit Toronados or 1966 and earlier. Fits 1967-84 400-425-455, 39 Degree bank angle engine. Camshaft specifications: - Intake duration: 214 Degrees - Exhaust duration: 224 Degrees - Intake lift: .472" - Exhaust lift: .496" - Lobe separation: 112 Degree - Intake Center Line: 107 Degree - Vacuum: 15"