High Efficiency Hydraulic Flat Tappet Cam & Lifter Kit - Ford Boss 351, 351C, 351M, 400M 255/265

Hydraulic Flat Tappet Cam. Good cam for off road or daily usage with good low end torque and fuel economy. Smooth idle. ;Advertised Duration (Int/Exh): 255/265 ;Duration @ .050 (Int/Exh): 205/215 ;Gross Valve Lift (Int/Exh): .492/.522 ;LSA/ICL: 112/110 ;Valve Lash (Int/Exh): Hyd/Hyd ;RPM Range: 1200-4200 ;Includes: Cam & Lifters (#71900PR-16)