COMP Cams Oldsmobile/Pontiac V8 Hi-Energy Hydraulic Lifters BR10004 HOOP II Black features a

HOOP II Black features a uniquely designed diamond tread pattern provides a safe

and 13015) and you have a regulator with vastly different characteristics

Will not work with stock pans

1984-1992 GMC C2500

COMP Cams Oldsmobile/Pontiac V8 Hi-Energy Hydraulic Lifters BR10004 HOOP II Black features aHigh Energy Hydraulic lifters have a patented constant orifice metering valve that precisely meters oil to the rocker arms. Continuous contact between the metering valve and pushrod seat is maintained, eliminating excessive oiling at high engine speeds. The pushrod seat is made of a special powdered metal iron alloy that is heat treated for strength and wear resistance. With a patented orifice metering valve and a lightweight check valve disc these