Here we have a full set of 16 Factory Rockerarm set for your v/8 5.0 5.7 or other Small Block Chevrolet engines .These are for the 1986-1995 TBI engines or the 1996-1999 Vortec Heads. These rockers work on some trucks and Cars and also Marine In Board engines. . These are cleaned fairly well and ready to bolt on. Fully Adjustable and self aligning for valve tip, no pushrod guide needed. Melling MRK651 or genuine GM 10089648. Call (952)854-5 seven eight six