Drag Race Solid Roller Cam - Chevrolet Small Block 301/309 (4/7 Swap, 0.900 Base Circle)

Solid Roller Cam. Rough idle. Good bracket race cam in 355-406 cubic inch motors. Needs 4000 RPM stall converter, headers, 11:1 compression ratio, and 4.10 gearing or better. Works well in heavy bracket race cars. .900 Base Circle size with 1-8-7-3-6-5-4-2 Firing order.; Advertised Duration (Int/Exh): 301/309; Duration @ .050 (Int/Exh): 262/271; Gross Valve Lift (Int/Exh): .626/.626; LSA/ICL: 106/102; Valve Lash (Int/Exh): .022/.024; RPM Range: 3800-7600; Includes: Cam Only