Drag Race Hydraulic Flat Tappet Cam - Chevrolet Big Block 295/305

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Hydraulic Flat Tappet. Good cam for bracket racing in 396-454 c.i. motors with head work and improved induction system. Needs 3500-4000 RPM stall converter, headers, 10:1+ compression ratio and 4.10 gearing. Works well with nitrous. Rough idle.; Advertised Duration (Int/Exh): 295/305; Duration @ .050 (Int/Exh): 245/255; Gross Valve Lift (Int/Exh): .605/.612; LSA/ICL: 110/108; Valve Lash (Int/Exh): Hyd/Hyd; RPM Range: 3500-7000; Includes: Cam Only