2.05" Seat Height. High Energyâ„¢ 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 this High Energy hydraulic flat lifter for Oldsmobile 260-455 and Pontiac 265-455 provides quicker response and better performance.
Available in a set of 12 under 852-12, Available in a set of 16 under 852-16