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Cometic MLS Head Gasket | BMW 5 Series/6 Series/3 Series/Z3/Z4 (72-05) (C4477-120)

Cometic MLS Head Gasket | BMW 5 Series/6 Series/3 Series/Z3/Z4 (72-05) (C4477-120)

SKU:C4477-120

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Regular price $217.46 USD
Regular price $256.71 USD Sale price $217.46 USD
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The Cometic Gasket BMW M30B34 MLS Head Gasket is a high-performance multi-layer steel component designed to provide superior sealing for BMW engines from 1982 to 1993. Constructed with multiple embossed layers of stainless steel and outer layers coated with Viton rubber, this gasket features a compressed thickness of 0.120 inches. It is engineered to withstand the demanding conditions of high-output engines, ensuring reliable sealing without the need for sealants. The MLS design offers increased strength and durability, making it suitable for both aluminum heads to aluminum blocks and aluminum heads to cast iron blocks. Its robust construction helps prevent leaks and maintains compression under extreme conditions, enhancing engine performance and longevity.

This gasket is specifically designed for BMW models equipped with the M30B34 engine, covering years 1982 through 1993. It is a direct replacement part that fits various BMW 535i, 635i, and 735i models, ensuring compatibility with stock or modified engines. Ideal for performance applications, rebuilds, or upgrades, it provides a secure seal for both street and track use. The gasket installation is straightforward, requiring no additional sealants, and it is suitable for high-performance and daily driving scenarios where reliable sealing is critical. The kit includes the MLS head gasket with the specified dimensions and materials for optimal fit and function.

Overview

Cometic Gasket MLS Head Gasket

Fits BMW M30B34 1982–1993

Part #: C4477-120

Overview

The Cometic Gasket MLS Head Gasket is a high-performance sealing solution designed for BMW M30B34 engines from 1982 to 1993. Crafted with multiple embossed layers of stainless steel and coated with Viton rubber on the outer layers, this gasket is engineered to withstand the demanding conditions of high-output engines. Its compressed thickness of 0.120 inches ensures a reliable seal, preventing leaks and maintaining optimal compression. Ideal for enthusiasts and professionals seeking durability and maximum sealing performance, this gasket supports the engine’s integrity under increased power and heat. Whether you're rebuilding or upgrading your engine, this MLS head gasket provides a robust barrier between the cylinder head and engine block, ensuring consistent compression and preventing coolant or oil leaks. Its design accommodates both aluminum and cast iron engine components, making it versatile for various engine configurations. The gasket’s construction helps manage shearing forces created by different materials, promoting long-term reliability and engine performance.

Key Features

This MLS head gasket features advanced multi-layer steel construction with embossed layers for enhanced strength and durability. The Viton rubber coating on the outer layers improves sealing capabilities and resistance to heat and chemicals. Its precise thickness of 0.120 inches ensures proper compression and fitment, supporting high-performance applications. Designed to withstand the shearing forces between aluminum and cast iron components, this gasket maintains a secure seal even under elevated engine pressures. Easy to install and requiring no sealants, it offers a straightforward upgrade for your engine rebuild or performance build.

Construction & Design

The gasket’s multilayer steel construction combines strength with flexibility, allowing it to conform to surface irregularities and provide a reliable seal. The embossed layers add structural integrity, while the Viton rubber coating enhances sealing performance and chemical resistance. This design ensures the gasket can handle the thermal expansion and contraction typical in high-performance engines.

Installation & Fitment

Designed specifically for the BMW M30B34 engine from 1982 to 1993, this gasket is a direct replacement for OEM parts. Proper installation requires standard engine rebuilding procedures, ensuring a proper seal and optimal engine performance. No additional sealants are necessary, simplifying the installation process.

Ideal For

Perfect for engine rebuilds, performance upgrades, or restoring original engine integrity, this MLS head gasket is suited for enthusiasts and professional mechanics aiming for maximum durability and sealing performance in high-output BMW engines.
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