Anti-Pump-Up Hydraulic Lifters .842" Dia Suit All Chevy & Pontiac V8's & Oldsmobile 1968-On

Although the Isky patented SUPERLIFTER outwardly appears similar to a standard hydraulic tappet, there is a world of difference in the function of the internal mechanism and design. SUPERLIFTERS allow you to use a more radical camshaft without loss of compression and horsepower from valves being held off their seats, and because SUPERLIFTERS do not bleed down completely, they are far more durable than any others on the market. Set of 16 SUPERLIFTERS