Bootlegger Retro-Fit Hydraulic Roller Cam & Lifter Kit - Chevrolet Big Block 292/317

For large c.i. engine. Hot street cam with rough idle. Great upper RPM power. 10.5:1 compression recommended, 3.90+ gear. Good for bracket racing. ;Advertised Duration (Int/Exh): 292/317 ;Duration @ .050 (Int/Exh): 240/252 ;Gross Valve Lift (Int/Exh): .595"/.595" ;LSA/ICL: 108/104 ;Valve Lash (Int/Exh): Hyd/Hyd ;RPM Range: 2900-6000 ;Includes: Cam & Lifters (#72431-16)