Cometic C5317-070 MLS Cylinder Head Gasket GM Gen III/IV Bore - LS1/LS2/LS3/LS6 4.130

The Cometic C5317-070 is a precision-engineered Multi-Layer Steel (MLS) cylinder head gasket designed specifically for GM LS Gen III and Gen IV small block V8 engines, including LS1, LS2, LS3, and LS6 applications. This gasket features a 4.130-inch bore diameter and a compressed thickness of .070 inches, making it ideal for performance builds and street applications.

Key Features:

• Multi-Layer Steel (MLS) construction for superior sealing and durability
• 4.130-inch bore diameter accommodates standard LS bore sizes
• .070-inch compressed gasket thickness
• Compatible with LS1, LS2, LS3, and LS6 Gen III/IV small block V8 engines
• Engineered to handle high cylinder pressures in performance applications
• Provides excellent resistance to combustion gas leakage
• Precision-cut for accurate fitment and consistent sealing

Cometic's MLS head gaskets utilize multiple layers of stainless steel with specialized coatings to create a robust seal that conforms to cylinder head and block surfaces. The embossed layers provide superior recovery under extreme conditions, making this gasket an excellent choice for modified engines, forced induction applications, and high-performance street builds. Each gasket is manufactured to exacting tolerances to ensure proper compression and reliable long-term performance.