Drag Race Solid Roller Cam & Lifter Kit - Chevrolet Big Block 326/340

Solid Roller Cam. Good cam for Pro Stock, pulling trucks and drag boat applications with 500-632 c.i. motors. Very reliable on valvetrain parts. Needs 5500 RPM stall converter or clutchless 4/5-speed transmission, headers, 13:1+ compression ratio and 4.88+ gearing. Rough idle. ;Advertised Duration (Int/Exh): 326/340 ;Duration @ .050 (Int/Exh): 290/304 ;Gross Valve Lift (Int/Exh): .810/.778 ;LSA/ICL: 114/110 ;Valve Lash (Int/Exh):.024/.026 ;RPM Range: 5000-9000 ;Includes: Cam & Lifters (#72405-16)