COMP Cams Mechanical Roller Lifter Endure-X 0.842" OD GM LS-Series - Set of 16 R07C09YS 50-inch bolt circle using a

50-inch bolt circle using a C4 automatic transmission

1967-1972 Ford Custom

Case Dimensions: 3" (6" w/ wiring & connectors) x 2

3/16 in Aluminum Mandrel

1957-1964 Oldsmobile Fiesta

COMP Cams Mechanical Roller Lifter Endure-X 0.842" OD GM LS-Series - Set of 16 R07C09YS 50-inch bolt circle using aGM Gen III LS1 LS2 LS6 Endure X Solid Roller Lifters from COMP Cams are engineered to withstand the demands of aggressive cam lobe designs and increased RPM ranges, and are not designed for street use. They feature a wear resistant tool steel axle, precision sorted needle bearings and EDM Oil Injection Technology that guarantees the bearing assembly receives a constant flow of oil. Endure X Solid Roller Lifters are heat treated, machined to ultra high