Cometic C4983-040 MLS Head Gasket for 2001-2005 Mazda Miata 1.8L BP DOHC

Vehicle Fitment

• 2001-2005 Mazda Miata 1.8L BP DOHC (BP-4W Turbo/BP-Z3)

Fitment Notes

• Compatible with both manual and automatic transmissions.
• Not compatible with non-turbocharged 1.8L engines.
• Designed for engines equipped with turbocharging systems.

Features

• Multi-Layer Steel (MLS) construction for superior sealing performance.
• Compressed thickness of 0.040 inches (1.02 mm) for optimal sealing under high compression.
• Bore size of 84 mm to fit BP-4W Turbo/BP-Z3 engine specifications.
• Outer layers embossed and coated with Viton for enhanced durability and heat resistance.
• Center shim layer made of uncoated stainless steel for strength and resilience.
• Eliminates the need for sealants during installation.
• Designed to withstand high boost applications and extreme conditions.
• Manufactured in the USA by Cometic Gaskets, a trusted brand in automotive sealing solutions.

Specifications

• Bore Diameter: 84 mm
• Compressed Thickness: 0.040 inches (1.02 mm)
• Material: Multi-Layer Stainless Steel
• Outer Layer Coating: Viton (heat-resistant to 482°F / 250°C)
• Quantity: Sold individually (one required per vehicle)
• Position: Upper (Cylinder Head)

Included Components

• 1x Cometic C4983-040 MLS Head Gasket

Product Description

The Cometic C4983-040 MLS head gasket is engineered for high-performance applications, designed for the 1.8L BP DOHC engine found in 2001-2005 Mazda Miata vehicles equipped with turbocharging systems. With a bore diameter of 84 mm and a compressed thickness of 0.040 inches, this gasket ensures a precise fit and superior sealing under high compression and heat.

Constructed from multiple layers of stainless steel, it features embossed outer layers coated with Viton for heat resistance up to 482°F (250°C). The center shim layer remains uncoated, providing added strength and durability. This MLS design eliminates the need for sealants while delivering reliable performance under extreme conditions.

Ideal for street performance and racing applications, the C4983-040 MLS gasket is built to withstand high boost applications and extreme operating conditions, providing a dependable seal even under the most demanding circumstances.