Drag Race Hydraulic Flat Tappet Cam - Oldsmobile V8 315/325

Hydraulic Flat Tappet. Good cam for Super Pro or Super Gas racing with 455 c.i. motors. Needs 3500-4000 RPM stall converter, headers, 10.5:1+ compression ratio and 4.10+ gearing. Rough idle. ; Advertised Duration (Int/Exh): 315/325 ; Duration @ .050 (Int/Exh): 245/255 ; Gross Valve Lift (Int/Exh): .541/.564 ; LSA/ICL: 108/104 ; Valve Lash (Int/Exh): Hyd/Hyd ; RPM Range: 3400-6800 ; Includes: Cam Only