Suitable models:Compatiable With all LS series engines (except LS7) LS1 LM7 LR4 LQ4 LS6 L59 LQ9 LM4 L33 LS2 LH6 L92 L76 LY2 LY5 LY6 LC9 LFA LH8 LMG LS3 L98 L9H L20 L94 LZ1 L99 L96 LC8 L77.for Chevy GMC Cadillac Pontiac Vehicle Yukon CTS Escalade MLS LS LQ LM7 for Buick 4.8L 5.3L 5.7L 6.0L 6.2L 1997-2020
Part number:12617944, 12558573, 12600530, 12620947
Installation: Loosen the old bolts, remove the exhaust manifold and old gasket; Check if the joint surface of the cylinder head is flat, remove any residue, and position the new gasket: align the gasket with the cylinder head hole position
Function: The gasket seals the gap between the exhaust manifold and cylinder head, enabling efficient introduction of exhaust gas into the exhaust system, alleviating engine compartment noise, and maintaining stable exhaust back pressure
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