Now a True High Performance Hydraulic Roller Lifter for Ford 5.0/5.8L engines is available from JEGS. Designed specifically for the rigors associated with high-performance, high-lift camshafts. Far exceeds the performance of so-called replacement lifters. Features 3D CAD design and CNC machining for accuracy, heat treated chrome alloy steel body for strength, precision machined and heat treated internals, check ball metering for precise control and low noise. Hardened and tempered certified 52100 steel roller, axle and needles. Precision staked axle for maximum retention. Extended body allows for 0.125" higher lift cams than other tappets. Dual oil feeds for increased flow and lubricators on flats for reduced friction. 100% select fit components for precise leakdown rate and 100% flow checked pushrod socket for accurate oil metering. Fits 1982-up 302/5.0L H.O. and 1994-up 351/5.8L V8's roller blocks. Direct drop in installation (no additional parts needed) utilizing the stock retainer ('Spyder') plate, tie bars and existing length pushrods. Set/16.