BareBones - Chevy Small Block LT1, LT4 Hydraulic Roller Cam and Lifter Kit 278/288

Hydraulic Roller Cam. Rough idle, excellent mid range and upper RPM power. Likes 2200 RPM stall converter. Requires custom program- ming for EFI engines. ;Advertised Duration (Int/Exh): 278/288 ;Duration @ .050 (Int/Exh): 232/242 ;Gross Valve Lift (Int/Exh): .507/.507 ;LSA/ICL: 112/108 ;Valve Lash (Int/Exh): Hyd/Hyd ;RPM Range: 2000-6400 ;Includes: Cam & Lifters (#72910-16)