COMP Cams Hydrlc Roller Lifter FS O-E in 877-1 3GTACOBF the tip of the valve

the tip of the valve stem is subjected to a tremendous amount of pounding

Ghia 1969 - 1978 Ford LTD Base 1970 - 1976 Ford LTD Brougham 1976 - 1978 Ford LTD Landau

LT 2004 - 2005 GMC Sierra 1500 Base 2004 - 2006 GMC Sierra 1500 Denali

301 Exhaust

1980DodgeD150 Pickup

COMP Cams Hydrlc Roller Lifter FS O-E in 877-1 3GTACOBF the tip of the valveCOMP Cams Lifters 877 1 Engineers at COMP Cams developed Short Travel Race Hydraulic Roller Lifters using a design that maximizes the performance of Hydraulic Roller lifters at higher engine speeds. With full travel Hydraulic lifters in performance engines, higher rpms are often limited by the incorrect positioning of the lifter's internal piston, which inevitably ? pumps up? during the engine cycle. This improper location results in open valves and