GM 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 tolerances and fully rebuildable.This Part Fits: Year Make Model Submodel 2004-2007 Cadillac CTS V 1998-2002 Chevrolet Camaro Z28 1998-2002 Chevrolet Camaro Z28 SS 2003 Chevrolet Corvette 50th Anniversary Edition 2003 Chevrolet Corvette 50th Anniversary Edition Pace Car 1997-2007 Chevrolet Corvette Base 1998 Chevrolet Corvette Indianapolis 500 Pace Car 2001-2004 Chevrolet Corvette Z06 2005-2006 Chevrolet SSR Base 2006-2007 Chevrolet Trailblazer SS 1998-2002 Pontiac Firebird Formula 1998-2002 Pontiac Firebird Trans Am 2004-2006 Pontiac GTO Base
