Cometic Gasket MLX Head Gasket
2020–2023 Toyota GR Supra B58/B58H Engine
C14144-040
Overview:
The Cometic MLX Head Gasket is a precision-engineered replacement gasket designed specifically for the Toyota GR Supra models from 2020 to 2023 equipped with the B58 or B58H engine. Featuring a .040 inch thickness and an 83mm bore size, this gasket ensures a reliable seal between the cylinder head and engine block, maintaining optimal compression and preventing leaks under demanding conditions.
Ideal for enthusiasts and professional tuners alike, the MLX head gasket supports enhanced engine performance and durability, making it a perfect upgrade or replacement part for those seeking consistent reliability in high-performance applications.
Key Features:
Engineered to meet the rigorous demands of the Toyota B58/B58H engine, the Cometic MLX Head Gasket offers the following key features:
- Precise .040 inch thickness for optimal sealing and compression control
- 83mm bore size tailored to fit the B58/B58H engine specifications
- Multi-layer steel (MLS) construction for superior strength and durability
- Enhanced sealing technology to resist blowouts and gasket failure
- Compatible with both stock and modified engine setups
- Designed to withstand high cylinder pressures and temperatures
- Manufactured by Cometic Gasket, a trusted name in performance sealing solutions
- Improved longevity compared to OEM gaskets under performance conditions
Construction & Design:
The Cometic MLX Head Gasket is constructed using advanced multi-layer steel technology, which provides exceptional strength and resilience. This design incorporates multiple layers of high-quality steel with proprietary coatings to ensure a tight seal between the cylinder head and engine block. The .040 inch thickness balances durability with the necessary compression ratio adjustments for performance tuning.
Each gasket is precision-cut to an 83mm bore diameter, matching the exact specifications of the Toyota B58/B58H engine. This meticulous engineering reduces the risk of leaks and enhances the engine’s overall reliability, especially under high-stress conditions such as forced induction or track use.
Installation & Fitment:
The Cometic MLX Head Gasket is a direct fit replacement for the Toyota GR Supra models from 2020 through 2023 with the B58 or B58H engine. Installation requires standard head gasket replacement procedures and should be performed by a qualified technician to ensure proper torque specifications and surface preparation. No modifications to the engine block or head are necessary, making it a straightforward upgrade or service part.
What's Included:
- One Cometic MLX Head Gasket, .040 inch thickness, 83mm bore
Ideal For:
This head gasket is ideal for Toyota GR Supra owners who demand reliable sealing for their B58 or B58H engines, whether for daily driving, spirited street use, or performance tuning. It suits enthusiasts upgrading their engine components for improved durability and those performing routine maintenance or rebuilds on their Supra’s powerplant.
