2 MULE TEAM Exhaust Manifold Gasket Set for GM LS Engines — 2 Gaskets & 12 Bolts, OEM Fit

2 MULE TEAM Exhaust Manifold Gasket Set (part 12617944) is a complete replacement kit with two gaskets and twelve bolts engineered to restore a tight exhaust seal on compatible GM LS-series engines.

When an exhaust manifold develops leaks or you’re rebuilding the cylinder head area, choosing the right gasket set avoids exhaust leaks, noise, and poor performance. This kit is made to match OEM fitment for many Chevrolet and GMC trucks and SUVs powered by LS-family engines (excluding LS7), and includes replacement bolts so you can complete the job without sourcing extra hardware.

Which vehicles and engines will this gasket set fit?

This 2 MULE TEAM kit is built to fit a wide range of GM applications that use the listed part numbers (12617944 / 12600530). It suits LS-series small-block engines across multiple models, covering common pickups and SUVs from Chevrolet and GMC as well as some Cadillac V8s.

• Compatible with LS engines such as LS1, LS2, LS3, LS6, LM7, LQ4, LQ9, and many others.
• Used in vehicles like Silverado, Sierra, Suburban 1500/2500 HD, Yukon, CTS, and Escalade.
• Designed to match OEM dimensions for direct replacement without modification.

How does this kit simplify an exhaust manifold replacement?

The kit bundles the gaskets and all necessary bolts so you don’t need to hunt for correct fasteners. That saves time and reduces the risk of installing mismatched hardware that can cause uneven clamping or future leaks.

• Includes two exhaust manifold gaskets for both banks of V8 engines.
• Supplied with twelve bolts sized to original specifications for secure fastening.
• Works with factory mating surfaces to achieve a consistent, leak-resistant seal.

What material and build quality can I expect?

These gaskets are produced using professional manufacturing processes and quality materials to withstand exhaust temperatures and vibration. They are intended for durability and a stable seal over typical service life, helping prevent exhaust leaks and related noise.

• Constructed from high-grade gasket materials suited for exhaust applications.
• Bolts are included to OEM-like dimensions and thread engagement standards.
• Manufactured and inspected to meet fitment and consistency expectations for replacement parts.

What should I check before buying and installing this part?

Confirm your engine code and cross-reference the vehicle’s OEM part numbers to ensure compatibility. Inspect the manifold and head mating surfaces for warpage or damage; if surfaces are uneven, you may need machining or a replacement manifold for a reliable seal.

• Verify vehicle year, engine type, and OEM part references (12617944 / 12600530).
• Check manifold and cylinder head surfaces for flatness before installation.
• Use recommended torque sequence and values during installation to avoid leaks.

Who this is for: This gasket set is aimed at DIY mechanics, independent repair shops, and enthusiasts working on GM LS-family engines who want an economical, ready-to-install replacement. It’s useful for anyone performing exhaust manifold removal, head service, or routine repairs on Silverado, Sierra, Suburban, Yukon, Escalade, and similar platforms that require the listed part numbers.