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Cometic MLS Head Gasket | BMW 3/5/6 Series / M3 / M5 (76-90/81-88/82-94/85-88/86-91/88-97)

Cometic MLS Head Gasket | BMW 3/5/6 Series / M3 / M5 (76-90/81-88/82-94/85-88/86-91/88-97)

SKU:C4394-140

Out of stock

Regular price $261.20 USD
Regular price $308.34 USD Sale price $261.20 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The Cometic Gasket BMW M20 2.5L/2.7L 85mm .140 inch MLS Head Gasket is a high-performance multi-layer steel component designed to provide superior sealing for BMW engines. Constructed with multiple embossed layers of stainless steel and outer layers coated with Viton rubber, this gasket ensures maximum durability and reliable sealing under high-pressure conditions. The compressed thickness of 0.140 inches allows for optimal compression and sealing integrity. These MLS gaskets are engineered to withstand the shearing forces between different materials, making them ideal for high-output engines. They eliminate the need for sealants, simplifying installation while maintaining a high level of performance and longevity.

This head gasket is compatible with BMW models equipped with M20 engines, specifically suitable for 1985 and later 325i and 525i vehicles. It is designed for use with aluminum heads and cast iron or aluminum blocks, providing a direct replacement for OEM gaskets. The gasket’s robust construction makes it suitable for both street and performance applications, including high-performance builds and forced induction setups. Installation involves standard head gasket replacement procedures, and the kit includes the gasket itself. This product is intended for enthusiasts seeking a reliable, high-quality sealing solution for demanding engine conditions.

Overview

Cometic Gasket BMW M20 2.5L/2.7L 85mm .140 inch MLS Head Gasket

Fitment Summary

This head gasket is designed specifically for BMW engines, including the M20 2.5L and 2.7L models, with 85mm bore sizes. It provides a reliable seal for high-performance applications and engine rebuilds involving these engine types.

Part #: C4394-140

Overview

The Cometic MLS (Multi-Layer Steel) Head Gasket is engineered to deliver superior sealing performance for today's high-output engines. Crafted from multiple embossed layers of stainless steel, this gasket features outer layers coated with Viton rubber for enhanced durability and sealing integrity. With a compressed thickness of 0.140 inches, it is designed to withstand the shearing forces created by the interaction of aluminum heads and blocks, as well as cast iron blocks. This gasket is ideal for both stock and modified engines, providing a robust solution that eliminates the need for sealants and ensures a tight, reliable seal under demanding conditions.

Key Features

  • Constructed from multiple embossed stainless steel layers for strength and flexibility
  • Outer layers coated with Viton rubber to improve sealing and resistance to heat and chemicals
  • Designed with a compressed thickness of 0.140 inches for optimal fit and performance
  • Suitable for aluminum-to-aluminum and aluminum-to-cast iron engine configurations
  • Engineered to withstand high shearing forces in high-performance applications
  • No sealants required, simplifying installation and maintenance

Construction & Design

The gasket's multilayer steel construction ensures excellent durability and conformability, providing a consistent seal across the combustion chamber. The Viton rubber coating on the outer layers enhances sealing capabilities and resistance to engine heat and fluids, making it suitable for demanding engine environments.

Performance & Response

This MLS head gasket helps maintain optimal compression and combustion integrity, supporting engine performance and reliability. Its design minimizes the risk of leaks, ensuring consistent operation even under high boost or increased power output.

Installation & Fitment

Designed for direct replacement in BMW M20 2.5L and 2.7L engines with 85mm bore sizes, this gasket is a straightforward upgrade or replacement part. Proper installation ensures maximum sealing performance and engine longevity.

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