COMP Cams BB Chevy Hi-Tech Roller Lifters-.875 Lifter Bore 57341231 The 4770 features a 1

The 4770 features a 1

Headers and 2200+ stall with low gears

Vehicle Applications: Ford F-250/F-350/Excursion 86-16 V8-7

1997-2005 Chevrolet Blazer

COMP Cams BB Chevy Hi-Tech Roller Lifters-.875 Lifter Bore 57341231 The 4770 features a 1Great for applications with enlarged lifter bores, these Endure X Solid Roller Lifters from COMP Cams are engineered to withstand the demands of aggressive cam lobe designs and increased RPM ranges. 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