Cometic MLX Head Gasket for 4.125" Bore Twin Cam

Elevate your engine's sealing integrity with the Cometic MLX Head Gasket, specifically engineered for high-performance 4.125" big bore Twin Cam applications. This advanced multi-layer-xtreme gasket provides superior sealing for demanding conditions, ensuring reliability and maximizing power output for your Harley.

Description

The Cometic MLX Head Gasket is the ultimate solution for motorcycle enthusiasts pushing the limits of their Harley Twin Cam engines, especially those with a 4.125" big bore. Crafted from premium, fuel-resistant materials, these gaskets are designed to withstand extreme conditions without creeping, cracking, or becoming brittle. This makes them essential for high compression engine gasket needs, turbo-charged setups, nitrous applications, or any power-adder modifications.

Utilizing proprietary Multi-Layer-Xtreme (MLX) technology, the unique center layer is folded over on top of itself, effectively simulating an O-ringed head. This innovative design delivers a targeted torque load precisely at the combustion seal, where it's most critical for preventing leaks and maintaining cylinder pressure. Combined with high-temperature coatings and strategic embossments, the MLX head gasket creates a micro seal against both the head and block surfaces, securing fluids and preventing blow-by. Installation is straightforward, mirroring a regular MLS head gasket without requiring any special machining, making it a reliable performance cylinder head seal upgrade.

Features & Highlights

• Extreme Durability & Fuel Resistance: Manufactured from premium materials that resist creep, cracking, and brittleness, ensuring long-lasting performance even in harsh conditions.
• Optimized for 4.125" Big Bore Twin Cam: Specifically designed to handle the serious cylinder pressures of performance-oriented 4.125" big bore Harley Twin Cam engines.
• Advanced Combustion Sealing: Unique center layer simulates an O-ringed head, providing targeted torque and superior sealing right at the combustion chamber.
• Micro Seal Technology: Proprietary high-temperature coatings and embossments create an effective micro seal for fluids against the head and block surfaces, preventing leaks.
• Essential for Power Adders: A critical component for all Twin Cam applications utilizing turbos, high compression, nitrous, or other power-adder modifications.
• Easy Installation: Designed for hassle-free installation like a standard MLS head gasket, requiring no special machining.
• Made in the USA: Proudly manufactured in the USA, ensuring high-quality craftsmanship and materials.

Important to Know

This product is sold in pairs, suitable for popular bores and thicknesses.