Cometic GM LS1 SB 4.190 inch Bore .051 inch MLS Headgasket
Cometic GM LS1 SB 4.190 inch Bore .051 inch MLS Headgasket
Out of stock
Couldn't load pickup availability
Cometic GM LS1 SB 4.190 inch Bore .051 inch MLS Headgasket
Unlock the ultimate performance of your GM Gen III/IV Small Block V8 LS Series engine with the Cometic GM LS1 SB 4.190 inch Bore .051 inch MLS Headgasket. Engineered for high output and durability, this head gasket is designed to provide unparalleled sealing performance that meets the demands of today's high-performance engines.
Key Features:
- Multi-Layer Construction: Comprised of multiple embossed layers of stainless steel, ensuring increased strength and resilience.
- Viton Rubber Coating: The outer layers feature a Viton rubber coating that withstands high temperatures up to 250°C (482°F) and provides excellent sealing capabilities.
- Optimized Thickness: With a compressed operating thickness of just 0.051 inches, it ensures minimal clearance while delivering maximum performance.
- Versatile Compatibility: Ideal for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks, making it a versatile choice for various engine setups.
- Corrosion Resistance: The stainless steel composition allows for rebound and resistance to corrosion, ensuring long-lasting performance.
Benefits:
- High-Performance Sealing: No need for additional sealants, as the MLS design provides superior sealing, even under extreme conditions.
- Enhanced Durability: Built to withstand the shearing forces generated by different materials, ensuring reliability and longevity.
- Customized Thickness Options: The center shim layer is uncoated stainless steel, allowing for variations to meet specific thickness requirements.
Use Cases:
- Perfect for high-performance builds where optimal sealing is critical.
- Ideal for engine rebuilds or modifications requiring strong and reliable head gaskets.
- Great choice for both professional racers and automotive enthusiasts looking to maximize engine performance.
Upgrade your engine's sealing capabilities with the Cometic GM LS1 SB 4.190 inch Bore .051 inch MLS Headgasket and experience the difference in performance and reliability it brings to your vehicle.
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.

