GM Exhaust Manifold Header Gasket

Designed to provide a reliable seal between the cylinder head and exhaust manifold or aftermarket headers, this genuine GM exhaust manifold header gasket is manufactured to OEM specifications for long-lasting sealing performance. Constructed to withstand the high temperatures and pressure cycles of performance engines, it helps prevent exhaust leaks that can reduce engine efficiency and affect power delivery.

Ideal for engine rebuilds, header installations and routine servicing, this gasket provides precise port alignment and an accurate fit on GM LS-series engines. A genuine GM replacement component trusted by engine builders, workshops and racers for dependable sealing and durability.

Specifications

• Genuine GM replacement component
• GM Part Number: 12617944
• Part Type: Exhaust Manifold Header Gasket
• Application: GM LS-Series engines (where specified)
• OEM-quality multi-layer steel construction
• Designed for exhaust manifold and header installation
• High-temperature resistant
• SKU: 12617944