Edelbrock Performer-Plus Camshaft Kit are designed for optimum torque from the low-end to the mid-range. Performer-Plus camshafts match 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 major improvement in throttle response and torque. All camshafts come with hydraulic lifters (except for cams designed for use with stock roller lifters), break-in compound, and instructions. Try one of the many Edelbrock cam and lifter kits available to build horsepower and torque.