Edelbrock Performer-Plus Camshaft #2103 is designed for 400 Chevy 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 #2103 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 395 Ft Lbs of Torque when paired with Performer Intake manifold #2101 and stock cylinder heads. 50-State Legal E.O. #D-215-19 for 1957-86 small-block Chevrolet. Camshaft specifications: - Intake duration: 214 Degrees - Exhaust duration: 214 Degrees - Intake lift: .442" - Exhaust lift: .442" - Lobe separation: 112 Degree - Intake Center Line: 107 Degree - Vacuum: 15"