Drag Race Solid Roller Cam - Chevrolet Small Block 312/321
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Solid Roller Cam. Excellent bracket race cam in 355-406 c.i. motors. Needs 5000-5500 RPM stall converter, headers, 12.5:1+ compression ratio and 4.88+ gearing. Works well in 3500lb or lighter cars and has run in the 9 second range. Also works well with 4-speed transmissions. Rough idle.; Advertised Duration (Int/Exh): 312/321; Duration @ .050 (Int/Exh): 280/288; Gross Valve Lift (Int/Exh): .685/.682; LSA/ICL: 108/102; Valve Lash (Int/Exh): .022/.022; RPM Range: 5000-8500; Includes: Cam Only