12617944 MLS Exhaust Header Manifold Gasket for Chevy Silverado 1500 2500 Sierra GM, LS Exhaust Manifold Gasket & Bolts Kit for LS1 LS2 LS3 LS6 LQ4 LQ9 4.8L 5.3L 5.7L 6.0 6.2, Replace 12600530(2Pcs). For LS Series Engines: 12617944 MLS exhaust manifold gasket bolts kit fits for GM LS-series all engines (except LS7), including LS1, LS2, LS3, LS6 and LQ series LQ4, LQ9, LM4, LM7, LMG, L33, LR4, L59, L76, L77, L92, L94, L96, L98, L99 platforms, etc.
