High Efficiency Hydraulic Flat Tappet Cam - Chevrolet Small Block 245/255

Hydraulic Flat Tappet. Excellent torque and mileage in 262-305 c.i. motor. Very good vacuum. Smooth idle.; Advertised Duration (Int/Exh): 245/255 ;Duration @ .050 (Int/Exh): 195/205 ;Gross Valve Lift (Int/Exh): .405/.427 ;LSA/ICL: 112/108 ;Valve Lash (Int/Exh): Hyd/Hyd ;RPM Range: 1000-4200 ;Includes: Cam Only