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The Cometic Subaru FA20D Toyota 4U-GSE .040in MLX Cylinder Head Gasket - 89.5mm Bore - LHS - C4589-040 is a precision-engineered head gasket with a 89.5mm bore and .040" compressed thickness for the Left-Hand Side (LHS).
The Cometic MLX Multi-Layer Steel (MLS) head gasket is engineered for high-performance and racing applications where OEM gaskets fall short. Featuring MLX Multi-Layer Steel (MLS) construction, this gasket uses multiple embossed steel layers for superior sealing under extreme cylinder pressures and temperatures. Precision CNC-machined to exacting tolerances, this gasket seals combustion, water jackets, and oil passages simultaneously — eliminating the need for multiple gaskets or sealing compounds.
Verified fitment: Scion FR S (2013–2016); Subaru BRZ (2013–2020); Toyota 86 (2017–2020).
Free U.S. standard shipping on qualifying orders $199+. Special order and made-to-order items can't be cancelled or refunded once ordered.
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We carry 750,000+ parts, so we can probably still get it. Check the spelling, try the part number, or ask us.
Request this part Text us (833) 691-5717