Edelbrock Rollin' Thunder Camshaft #2263 is designed for 500+ Mark IV and Gen V engines from 1967-95 and produce optimum torque from the low-end to the mid-range. Rollin' Thunder camshafts match with Performer manifolds for vehicles operating from off-idl Product Features:Roller Cam TypeRoller Lifter TypeExhaust 245 deg/Intake 248 deg Duration @ .050 LiftExhaust 0.381in./Intake 0.368in. Valve Lift112 deg Lobe Steps
