Cometic Gasket

Fits 1981 BMW M20B20 with 81mm Bore

Part #: C4393-060

Overview

The Cometic MLS Cylinder Head Gasket is a high-performance sealing solution designed for BMW M20B20 engines. Crafted with multiple layers of stainless steel, this gasket provides exceptional durability, strength, and resistance to harsh operating conditions. It is ideal for enthusiasts and professionals seeking reliable sealing under demanding engine rebuilds or performance upgrades. The gasket’s construction ensures a precise fit, helping to maintain optimal compression and prevent leaks, ultimately supporting engine longevity and consistent performance. This gasket is engineered to withstand high temperatures and aggressive environments, making it suitable for both stock and modified engines. Its multilayer design offers excellent rebound characteristics, ensuring a tight seal even under thermal expansion and contraction cycles. The outer layers are embossed and coated with Viton rubber, providing additional heat resistance and sealing integrity up to 250°C (482°F). Whether for restoration, repair, or performance enhancement, this gasket helps ensure your engine runs smoothly and reliably.

Key Features

This MLS gasket features a robust multilayer stainless steel construction designed for maximum strength and durability. The embossed outer layers with Viton rubber coating enhance sealing performance and heat resistance. Its precise 81mm bore size ensures compatibility with BMW M20B20 engines, providing a reliable seal for high-performance applications. The gasket’s flexible design helps accommodate surface imperfections and thermal expansion, reducing the risk of leaks and gasket failure. Built to meet the demands of both stock and modified engines, it offers a long-lasting, dependable sealing solution.

Construction & Design

The gasket is composed of three to five layers of stainless steel, each embossed for added strength and sealing capability. The outer surfaces are coated with Viton rubber, which is heat resistant and provides excellent sealing in demanding environments. The multilayer design ensures resilience against thermal cycling and mechanical load, maintaining a consistent seal over time.

Installation & Fitment

Designed specifically for the BMW M20B20 engine with an 81mm bore, this gasket is intended for straightforward installation during engine rebuilds or head gasket replacements. Proper surface preparation and torque procedures are recommended to ensure optimal sealing performance.

What’s Included

The package includes one MLS cylinder head gasket designed for the BMW M20B20 engine, providing a reliable sealing solution for your rebuild or upgrade project.

Ideal For

Perfect for automotive enthusiasts, professional rebuilders, and performance tuners looking to restore or enhance their BMW M20B20 engine with a durable, high-quality gasket that supports reliable sealing and engine longevity.