Cometic MLS Head Gasket | BMW 320/320i/520 (81mm .040 inch) (C4393-040)
Cometic MLS Head Gasket | BMW 320/320i/520 (81mm .040 inch) (C4393-040)
SKU:C4393-040
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The Cometic Gasket BMW M20 2.0L/2.3L 81mm .040 inch MLS Head Gasket is a high-performance sealing component designed to withstand the demands of modern, high-output engines. Constructed from multiple embossed layers of stainless steel with outer layers coated in Viton rubber, this gasket offers exceptional durability and sealing integrity. The compressed thickness of 0.040 inches ensures a reliable seal under extreme conditions, eliminating the need for sealants. Its multi-layer steel (MLS) design provides increased strength and resistance to shearing forces, making it suitable for both aluminum and cast iron engine components. This gasket is engineered to deliver maximum sealing performance, ensuring optimal compression and power output while maintaining long-term reliability.
Designed specifically for BMW engines with M20 2.0L and 2.3L displacements, this gasket fits models such as the 320 and 520 series from the early 1980s. It is compatible with engines featuring aluminum heads and blocks or aluminum heads with cast iron blocks, serving as a direct replacement for OEM gaskets. Ideal for performance upgrades, rebuilds, or high-performance applications, this MLS head gasket ensures a secure seal during high-stress driving conditions. Installation is straightforward for experienced mechanics, and the kit includes the gasket itself, ready for use in street or track applications where maximum sealing and durability are required.
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Overview
Overview
Cometic Gasket MLS Head Gasket
Fits BMW M20 2.0L/2.3L Engines
Part #: C4393-040
Overview
The Cometic Gasket MLS Head Gasket is a high-performance sealing solution designed for BMW M20 engines, including the 320, 320i, and 520 models. Crafted with multiple embossed layers of stainless steel and coated with Viton rubber on the outer layers, this gasket ensures a reliable seal under demanding conditions. Its compressed thickness of 0.040 inches makes it suitable for high-output engines, helping to maintain compression and prevent leaks. This gasket is ideal for enthusiasts and professionals seeking a durable, no-sealant-required solution that supports engine longevity and performance.Key Features
This MLS head gasket combines advanced materials and engineering to deliver superior sealing performance. Key features include:- Multi-layer steel construction with embossed layers for strength and flexibility
- Outer layers coated with Viton rubber for enhanced sealing and durability
- Designed to withstand shearing forces between aluminum and cast iron components
- Compressed thickness of 0.040 inches for optimal compression and sealing
- No additional sealants required, simplifying installation
- Suitable for high-output and modified engines
- Compatible with aluminum heads and blocks, as well as cast iron blocks
Construction & Design
The gasket's multilayer steel design provides excellent strength and resilience, while the Viton rubber coating enhances sealing capabilities and resistance to heat and chemicals. The embossed layers help accommodate surface irregularities, ensuring a tight seal even under thermal expansion and engine vibrations.Installation & Fitment
Proper installation requires clean mating surfaces and correct torque procedures to ensure optimal sealing. This gasket is designed specifically for BMW M20 engines, including the 320, 320i, and 520 models, making it a direct replacement for OEM head gaskets in these applications.Ideal For
This gasket is perfect for engine rebuilds, performance upgrades, or repairs where a reliable, high-quality head sealing solution is needed to support engine performance and longevity.
