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Cometic Gasket Part # CGSC4589-032

Cometic Subaru FA20/FB25 89.5mm .032inch LHS MLX Head Gasket - C4589-032

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The Cometic Subaru FA20/FB25 89.5mm .032inch LHS MLX Head Gasket - C4589-032 is a precision-engineered head gasket with a 89.5mm bore and .032" 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.

  • Material: MLX Multi-Layer Steel (MLS)
  • Bore Size: 89.5mm
  • Thickness: .032" compressed
  • Position: Left-Hand Side (LHS)
  • Part Number: C4589-032

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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