12617944 MLS Exhaust Manifold Gasket&12 Bolt Kit, High Temp For LS Engines

Key features

• Complete Part Number Match: Direct fit for original equipment part numbers 12617944, 12558573, 12600530, 12620947, MS16124; Bolt OE#551696. Strictly manufactured to OE specifications for seamless replacement, no fitment issues with factory or aftermarket exhaust manifolds
• Wide Vehicle Compatibility & LS Engine Fit: Fits all LS series engines (excluding LS7) including LS1, LS2, LS3, LS6, LM7, LR4, LQ4, L59, LQ9, LM4, L33 and more; Compatible with 4.8L/5.3L/5.7L/6.0L/6.2L V8 engines. Fits Chevy, GMC, Cadillac, Buick, Pontiac, Hummer, Isuzu, Saab models such as Silverado, Sierra, Camaro, Corvette, Tahoe, CTS, Escalade, Firebird, H2/H3 and hundreds of other specific vehicle years and trims
• Premium MLS Material for Extreme Conditions: Constructed from high-density multi-layer steel (MLS) for superior heat resistance. Withstands extreme engine bay temperatures and pressure, effectively preventing exhaust leaks and reducing engine noise/vibration. Suitable for high-performance driving and harsh working conditions
• Complete Installation Kit & Durable Hardware Package: Includes 2PCS exhaust manifold header gaskets plus 12PCS stainless steel flange bolts (M8 x 1.25 thread, 25mm underhead length); Bolts feature built-in washers for even clamping load, rust/corrosion-resistant, far more durable than standard OEM bolts, suitable for harsh working conditions
• QUALITY ASSURANCE & CUSTOMER SUPPORT: Each product undergoes rigorous quality inspection for stable performance and long service life. We provide free replacement and return service. Please verify your vehicle compatibility before purchase to guarantee accurate fitment.

Free shipping included. 30-day hassle-free returns.