Drag Race Hydraulic Flat Tappet Cam - Chevrolet Small Block 290/300

Hydraulic Flat Tappet. Good in Pro Street or bracket race car. Needs 3500 RPM stall converter, headers, 10:1 compression ratio minimum and 4.10 minimum gearing. Rough idle. Advertised Duration (Int/Exh): 290/300 Duration @ .050 (Int/Exh): 240/250 Gross Valve Lift (Int/Exh): .520/.540 LSA/ICL: 106/102 Valve Lash (Int/Exh): Hyd/Hyd RPM Range: 3200-6600 Includes: Cam Only