EFI Hydraulic Flat Tappet Cam - Chevrolet Big Block 274/284

Hydraulic Flat Tappet. Strong low end and mid range torque and HP. Works well with aftermarket computer chip and tuning. Good idle.; Advertised Duration (Int/Exh): 274/284; Duration @ .050 (Int/Exh): 225/235; Gross Valve Lift (Int/Exh): .540/.550; LSA/ICL: 114/112; Valve Lash (Int/Exh): Hyd/Hyd; RPM Range: 2000-5500; Includes: Cam Only