EFI Retro-Fit Hydraulic Roller Cam - Chevrolet Big Block 293/303-1

Retro-Fit Hydraulic Roller. Excellent high performance street cam with good mid range and upper RPM torque and HP. Needs 3000 RPM stall converter, headers, 9.5:1+ compression ratio and 3.73+ gearing. Works well with aftermarket computer and fuel injection modifications. Rough idle.; Advertised Duration (Int/Exh): 293/303; Duration @ .050 (Int/Exh): 234/244; Gross Valve Lift (Int/Exh): .629/.612; LSA/ICL: 114/112; Valve Lash (Int/Exh): Hyd/Hyd; RPM Range: 2800-6500; Includes: Cam Only