Cometic GM LS1 SB 4.100 inch Bore .040 inch MLS Headgasket
Cometic GM LS1 SB 4.100 inch Bore .040 inch MLS Headgasket
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Cometic GM LS1 SB 4.100 inch Bore .040 inch MLS Headgasket
Experience unparalleled performance and sealing efficiency with the Cometic GM LS1 SB 4.100 inch Bore .040 inch MLS Headgasket. Designed for the discerning automotive enthusiast, this head gasket is engineered to meet the rigorous demands of high-performance engines.
Key Features:
- Multi-Layered Stainless Steel Construction: Comprised of three to five layers of stainless steel, offering enhanced strength and durability.
- Corrosion Resistance: Stainless steel not only provides strength but also effectively resists corrosion, ensuring longevity.
- Viton Rubber Coating: The outer layers of the gasket are embossed and coated on both sides with Viton rubber, engineered to withstand harsh sealing environments.
- Heat Resistance: The Viton coating can resist extreme temperatures up to 250°C (482°F), making it suitable for demanding applications.
- Perfect Fit: Specifically designed for GM LS1/LS2/LS3/LS6 Gen-3/4 Small Block V8 engines with a .040" MLS specification and a bore size of 4.100".
Benefits:
- Improved engine performance through superior sealing capabilities.
- Reduced risk of gasket failure under high pressure and heat conditions.
- Enhanced durability for long-lasting performance, even in racing or heavy-duty situations.
Use Cases:
- Ideal for performance builds and racing applications where reliability is critical.
- Perfect for engine rebuilds, ensuring a tight seal and optimal compression.
- Suitable for enthusiasts looking to upgrade their GM LS engine for enhanced performance.
Upgrade your engine with the Cometic GM LS1 SB 4.100 inch Bore .040 inch MLS Headgasket and experience the difference in power and reliability that comes from using premium materials and engineering.
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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.

