EFI Retro-Fit Hydraulic Roller Cam - Chevrolet Big Block 285/295

Retro-Fit Hydraulic Roller. Works well with EFI. Needs aftermarket computer chip, headers, increased compression ratio and increased gearing. Good idle.; Advertised Duration (Int/Exh): 285/295; Duration @ .050 (Int/Exh): 226/236; Gross Valve Lift (Int/Exh): .554/.575; LSA/ICL: 114/112; Valve Lash (Int/Exh): Hyd/Hyd; RPM Range: 1800-5500; Includes: Cam Only