Cometic H3291SP7040S MLS Head Gasket .040" Bore Street Performance

The Cometic H3291SP7040S is a high-performance Multi-Layer Steel (MLS) head gasket engineered to provide a reliable, leak-free seal in demanding street and performance engine applications. Built to Cometic's exacting standards, this gasket delivers superior sealing capability compared to traditional composite or copper head gaskets.

Key Features:

• Multi-Layer Steel (MLS) Construction – Multiple layers of embossed stainless steel provide consistent clamping load distribution and excellent resistance to combustion blow-out
• .040" Compressed Thickness – Precision thickness to maintain correct compression ratio and quench distance for optimal engine performance
• Street Performance (SP) Design – Engineered for street-driven performance builds requiring a durable, high-quality OEM-style replacement or upgrade
• Stainless Steel Material – Corrosion-resistant construction withstands extreme heat cycling, high cylinder pressures, and coolant exposure
• Precision Laser-Cut Bore – Accurately sized combustion opening ensures proper fitment and sealing at the deck surface
• No Re-Torque Required – MLS design maintains clamp load over time, eliminating the need for re-torquing after initial break-in

Cometic Gasket is a trusted name in the motorsports and performance aftermarket industry, offering premium gaskets used by professional engine builders and enthusiasts worldwide. The H3291SP7040S is a direct-fit solution for builders seeking consistent, repeatable sealing performance in their engine builds.