{"product_id":"cometic-subaru-fa20-89-5mm-052inch-rhs-mlx-left-side-head-gasket","title":"Cometic Head Gasket (LEFT SIDE): Subaru BRZ (13-20) \u0026 Toyota 86 (17-20)","description":"\u003ch3\u003eCometic Gasket Head Gasket (LEFT SIDE)\u003c\/h3\u003e\u003cp\u003e2013–2020 Subaru BRZ \/ 2017–2020 Toyota 86 FA20D \/ 4U-GSE Engine\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eC4589-052\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Cometic MLS (Multi-Layer Steel) head gasket for the left side is engineered specifically for the Subaru BRZ (2013–2020) and Toyota 86 (2017–2020) equipped with the FA20D and 4U-GSE engines. Designed to provide a reliable and durable seal between the cylinder head and engine block, this gasket ensures optimal engine performance and longevity. It is ideal for enthusiasts and professionals seeking a high-quality replacement or upgrade part that withstands demanding operating conditions.\u003c\/p\u003e\u003cp\u003eBuilt to handle the stresses of both street and track use, this gasket maintains a tight seal under high pressure and temperature fluctuations, helping to prevent leaks and maintain engine efficiency.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCometic’s head gasket incorporates advanced materials and design features to deliver superior sealing performance:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMulti-layer steel construction with three to five layers for enhanced strength and durability\u003c\/li\u003e\n\u003cli\u003eOuter layers embossed and coated with heat-resistant Viton rubber for superior sealing and corrosion resistance\u003c\/li\u003e\n\u003cli\u003eViton coating rated to withstand temperatures up to 250°C (482°F)\u003c\/li\u003e\n\u003cli\u003ePrecision engineered for an 89.5mm bore size, matching factory specifications\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for the left-hand side (LHS) of the cylinder head\u003c\/li\u003e\n\u003cli\u003eCompatible with Subaru FA20D and Toyota 4U-GSE engines\u003c\/li\u003e\n\u003cli\u003eThickness of .052 inches for optimal sealing and compression retention\u003c\/li\u003e\n\u003cli\u003eResilient to harsh sealing environments, load conditions, and varying surface finishes\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Cometic MLS head gasket is constructed from multiple layers of stainless steel, chosen for its strength, flexibility, and corrosion resistance. This multi-layer design allows the gasket to rebound and maintain a consistent seal even under extreme thermal cycling and mechanical stress. The embossed outer layers increase sealing surface contact, while the Viton rubber coating on both sides enhances the gasket’s ability to resist oil, coolant, and combustion gases.\u003c\/p\u003e\u003cp\u003eThis combination of materials and engineering ensures a long-lasting, reliable seal that supports high-performance applications without compromising durability or engine integrity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis gasket is a direct fit replacement for the left side cylinder head on Subaru BRZ models from 2013 through 2020 and Toyota 86 models from 2017 through 2020. 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 are necessary, as the gasket is designed to OEM dimensions and tolerances.\u003c\/p\u003e\u003cp\u003eWhat’s Included\u003c\/p\u003e\u003cul\u003e\u003cli\u003eOne Cometic MLS head gasket (left side)\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis head gasket is ideal for Subaru BRZ and Toyota 86 owners seeking a high-quality OEM replacement or an upgrade for enhanced durability. It is well suited for daily drivers, performance enthusiasts, and motorsport applications where reliable sealing under demanding conditions is critical.\u003c\/p\u003e","brand":"Cometic Gasket","offers":[{"title":"Default Title","offer_id":51077849579816,"sku":"C4589-052","price":126.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0717\/9744\/0808\/files\/0002672_84d1204e869e648f3d2f5cde6026fc7f_63e1890b-ae97-4718-850c-1ea3bedfd233.webp?v=1771643594","url":"https:\/\/fastscions.com\/products\/cometic-subaru-fa20-89-5mm-052inch-rhs-mlx-left-side-head-gasket","provider":"FastScions","version":"1.0","type":"link"}