Cometic GM LS1 SB 4.160 inch Bore .040 inch MLS Headgasket
Cometic GM LS1 SB 4.160 inch Bore .040 inch MLS Headgasket
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Cometic GM LS1 SB 4.160 inch Bore .040 inch MLS Headgasket
Experience unparalleled sealing performance with the Cometic GM LS1 SB MLS Headgasket, designed specifically for high output engines. This head gasket is engineered with precision to meet the demands of today's performance vehicles. Here are the key features and benefits:
- Multi-Layer Steel Construction: Comprised of multiple embossed layers of stainless steel, delivering maximum strength and durability.
- Viton Rubber Coating: The outer layers are coated with Viton, a high-performance elastomer that withstands extreme temperatures up to 250°C (482°F), ensuring reliability under harsh conditions.
- Optimal Thickness: Featuring a compressed operating thickness of 0.040 inches, this gasket provides an ideal balance of sealing performance and flexibility.
- Corrosion Resistance: The stainless steel construction offers excellent resistance to corrosion, extending the life of the gasket in various environments.
- Versatile Compatibility: Perfect for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks, it effectively manages the shearing forces between different materials.
- No Sealants Required: The Cometic MLS head gaskets are designed for a direct fit and do not require additional sealants for effective sealing.
- Customizable Thickness: The uncoated stainless steel center layer can be varied to accommodate different thickness requirements, providing flexibility for your specific engine setup.
Upgrade your engine's sealing capabilities with the Cometic GM LS1 SB MLS Headgasket, engineered for performance and durability in the demanding automotive landscape.
Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

