Cometic Subaru 89.5mm Bore .032in MLX Head Gasket - Right Subaru WRX 2 – Import Image Racing
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Cometic Subaru 89.5mm Bore .032in MLX Head Gasket - Right Subaru WRX 2015-2021 | C4955-032

Cometic Subaru 89.5mm Bore .032in MLX Head Gasket - Right Subaru WRX 2015-2021 | C4955-032

SKU: cgsC4955-032
Availability: 6 In Stock
Product Type: Engine Head Gaskets
$76.63
$85.13
$76.63
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Product Fitment: 

2015-2021 Subaru WRX

The Cometic MLX Head Gasket C4955‑032 is engineered to deliver reliable, high-performance sealing for the right cylinder head of Subaru FA20 engines (such as the 2015–2021 WRX VA). With its multi-layer steel + “stopper” design, this gasket offers excellent durability under boost, thermal cycling, and aggressive tuning.

Key Features & Benefits

  • MLX (Multi-Layer Stopper) design — Combines strength and sealing capability with an internal stopper layer for improved resistance to distortion

  • 0.032″ (≈ 0.81 mm) compressed thickness — Tight tolerance for precise sealing performance

  • Three-layer steel / laminate construction — Adapts to slight surface irregularities and maintains sealing integrity

  • No sealants or re-torque required — Simplifies installation and reduces opportunity for error

  • High thermal and mechanical resistance — Suitable for high-boost, tuned, or motorsport applications

  • Right-side (RHS) orientation — Must be paired with the left-side counterpart (C4954‑032) to rebuild both heads

Specifications

Spec Value
Part Number C4955‑032
Engine Compatibility Subaru FA20 (WRX VA / FA20DIT setups)
Orientation Right-hand side (RHS) head
Compressed Thickness 0.032″
Bore Size 89.5 mm
Construction MLX / Multi-layer steel + stopper
Layers 3
Use Case Performance, boosted, high-stress / motorsport environments


Installation & Usage Notes

  • Ensure the head and block surfaces are machined to spec (flat, clean, correct tolerances)

  • Use the correct torque sequence and specification as recommended for your engine

  • Since the MLX gasket is engineered as “no re‑torque / no extra coating,” avoid applying additional sealants unless explicitly needed

  • During initial startup and break-in, monitor for leaks, coolant pressures, and temperature consistency

  • For high boost/tuning builds, re‑inspect sealing after first heat cycles

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