Voodoo Hydraulic Flat Tappet Cam & Lifter Kit - Buick V6 181-252 256/256

Hydraulic Flat Tappet Cam. Grand National turbo camshaft. Will work with both stock turbo or upgraded T-3/T-4 types. Recommend 3.42-3.73 gears, aftermarket exhaust and upgraded EFI computer for best results. Good idle!; Advertised Duration (Int/Exh): 256/256; Duration @ .050 (Int/Exh): 213/213; Gross Valve Lift (Int/Exh): .470/.470; LSA/ICL: 112/108; Valve Lash (Int/Exh): Hyd/Hyd; RPM Range: 1600-5800; Includes: Cam & Lifters (#71969PR-12)