2Pcs Exhaust Manifold Bolt Repair Kit with Screws and Washers, Compatible with GM Trucks and SUVs 4.8L, 5.3L, 6.0L or 6.2L from 1999 Onwards. Main Function: The main function of the exhaust manifold bolt is to prevent exhaust leakage between the exhaust manifold and the cylinder head, replace the broken exhaust manifold bolts, and firmly clamp the exhaust manifold to the cylinder head.
