EFI Retro-Fit Hydraulic Roller Cam - Chevrolet Big Block 289/299

Retro-Fit Hydraulic Roller. Good high performance street cam with very strong mid range torque and HP. Needs aftermarket computer chip and tuning, headers, 9.5:1 compression ratio and 3.73+ gearing. Fair idle.; Advertised Duration (Int/Exh): 289/299; Duration @ .050 (Int/Exh): 230/240; Gross Valve Lift (Int/Exh): .554/.575; LSA/ICL: 114/112; Valve Lash (Int/Exh): Hyd/Hyd; RPM Range: 2000-5500; Includes: Cam Only