Edelbrock Rollin' Thunder Camshaft #3722 is designed for 5.0L Ford V8 engines and produce optimum torque from the low-end to the mid-range. Rollin' Thunder camshafts match with Performer manifolds for vehicles operating from off-idle to 5500 rpm. They are smooth idling cams 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 300HP and 325 Ft Lbs of Torque when paired with Performer intake manifold #3821 and Performer cylinder heads #60379. May use original hydraulic roller lifters. Our #3722 camshaft is for mass-air engines only. Must use high stall torque converter. 50-State Legal E.O. #D-215-14. Camshaft specifications: - Intake duration: 220 Degrees - Exhaust duration: 220 Degrees - Intake lift: .498" - Exhaust lift: .498" - Lobe separation: 110 Degree - Intake Center Line: 110 - Vacuum: 13"