Drag Race Solid Roller Cam - Chevrolet Small Block 312/323 (4/7 Swap)

Solid Roller Cam. Good cam in 380-420 c.i. motors. Needs 4500-5000 RPM stall converter, headers, 12:1+ compression and 4.88+ gearing. Works well with good ported heads in carburetor or injection applications. Rough idle. ;Advertised Duration (Int/Exh): 312/323 ;Duration @ .050 (Int/Exh): 278/286 ;Gross Valve Lift (Int/Exh): .679/.630 ;LSA/ICL: 108/104 ;Valve Lash (Int/Exh): .024/.026 ;RPM Range: 4500-8000 ;Includes: Cam Only