Edelbrock part 5062 Torker - Plus Camshaft is designed for big - block Chevy 396 - 427 - 454 V - 8 applications. The camshaft works well with Torker II manifolds for performance from 2500 to 6500 rpm, this camshaft is ideal for high - performance street, drag or marine applications. Torker - Plus cams have a slightly rough idle and are not suitable for trucks or towing applications. Hydraulic flat tappet lifters are included with each camshaft. Camshaft Specifications - Duration .050 Intake 224 degrees - Duration .050 Exhaust 232 degrees - Lift Valve Intake .527 - Lift Valve Exhaust .553 - Lobe Separation 114 Degrees - Intake Centerline 109 Degrees