Edelbrock Rollin' Thunder Camshaft #2264 is designed for 500+ Gen VI engines from 1996-Later 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 550 Product Features:Roller Cam TypeRoller Lifter TypeExhaust 256 deg/Intake 248 deg Duration @ .050 LiftExhaust 0.381in./Intake 0.368in. Valve Lift112 deg Lobe Steps
