PERF-PLUS KIT FOR2101-350

For Use With 1957-1986 Small Block Chevy Engines; Hydraulic Flat Tappet; Idle-5500 RPM Range; 204 Degree Intake/ 214 Degree Exhaust Duration @ 0.050 Inch Lift; 0.420 Inch Intake; 0.442 Inch Exhaust Valve Lift/ 112 Degree Lobe Separation Angle; With Camshaft and Lifters