{"product_id":"cp-piston-ring-set-for-subaru-brz-fa20-bore-86-5mm-size-5mm-cr-10-0-set-of-4","title":"CP Pistons FA20 Piston \u0026 Ring Set: Fits 2017-2020 Toyota 86, 2013-2020 Subaru BRZ \u0026 2013-2016 FR-S","description":"\u003ch3\u003eCP Pistons Piston and Ring Set\u003c\/h3\u003e\u003cp\u003e2017–2020 Toyota 86 \/ 2013–2020 Subaru BRZ \/ 2013–2016 Scion FR-S FA20 Engine\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSC7406-4\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe CP Pistons Piston and Ring Set is engineered specifically for the FA20 engine found in the Toyota 86 (2017–2020), Subaru BRZ (2013–2020), and Scion FR-S (2013–2016). This set includes four high-quality pistons and matching rings designed to fit a +0.5mm bore size with a compression ratio of 10.0. Whether you are rebuilding your engine or upgrading for enhanced durability and performance, this set offers reliable, precision-crafted components to maintain or improve your engine’s efficiency and power delivery.\u003c\/p\u003e\u003cp\u003eIdeal for enthusiasts and professional builders alike, these pistons support both daily driving and spirited performance applications. They provide a solid foundation for engine rebuilds or modifications that require oversized pistons for improved sealing and longevity.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston and ring set delivers dependable performance and quality construction tailored to the FA20 engine platform.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrecision-machined pistons with a +0.5mm bore size (86.5mm) for accurate fitment and optimal sealing.\u003c\/li\u003e\n\u003cli\u003eDesigned with a compression ratio of 10.0 to maintain factory-like combustion characteristics.\u003c\/li\u003e\n\u003cli\u003eIncludes a complete set of four pistons and matching piston rings for a full engine rebuild.\u003c\/li\u003e\n\u003cli\u003eManufactured by CP Pistons, a trusted brand known for high-performance and durable engine components.\u003c\/li\u003e\n\u003cli\u003eCompatible with the Subaru BRZ, Toyota 86, and Scion FR-S equipped with the FA20 engine, ensuring direct fitment without modification.\u003c\/li\u003e\n\u003cli\u003eEngineered to withstand the stresses of both stock and mildly tuned engines, supporting reliable operation under various driving conditions.\u003c\/li\u003e\n\u003cli\u003eIdeal for replacing worn or damaged pistons during engine rebuilds or upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eConstruction \u0026amp; Design:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eCP Pistons are crafted using advanced manufacturing techniques to ensure consistent quality and durability. The pistons are precision-machined to exact tolerances, providing excellent roundness and surface finish for optimal ring sealing and reduced friction. The piston rings are matched to the pistons to maintain proper compression and oil control, contributing to improved engine efficiency and longevity.\u003c\/p\u003e\u003cp\u003eThe +0.5mm oversize bore design allows for rebuilding engines where the cylinder walls have been honed or bored out, restoring proper cylinder dimensions and sealing. The compression ratio of 10.0 is balanced to maintain reliable combustion characteristics without requiring extensive tuning changes.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eInstallation \u0026amp; Fitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThis piston and ring set is designed as a direct replacement for the FA20 engine in the specified vehicle models. It fits engines with a bore size of 86.5mm, corresponding to a +0.5mm oversize rebuild. Installation requires standard engine rebuild procedures, including cylinder honing or boring to the specified size.\u003c\/p\u003e\u003cp\u003eNo modifications to the engine block or other components are necessary beyond the standard machining process. Proper installation ensures optimal piston ring sealing and engine performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFits 2017–2020 Toyota 86, 2013–2020 Subaru BRZ, and 2013–2016 Scion FR-S with FA20 engine.\u003c\/li\u003e\n\u003cli\u003eRequires engine machining to +0.5mm bore (86.5mm) for proper fitment.\u003c\/li\u003e\n\u003cli\u003eStandard rebuild installation procedures apply; no special tuning required.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eWhat’s Included\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSet of 4 high-quality CP Pistons sized +0.5mm bore (86.5mm).\u003c\/li\u003e\n\u003cli\u003eMatching piston ring set designed for the FA20 engine and specified compression ratio.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eIdeal For:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eEngine rebuilds requiring oversized pistons for the FA20 engine.\u003c\/li\u003e\n\u003cli\u003ePerformance enthusiasts upgrading their Toyota 86, Subaru BRZ, or Scion FR-S engines.\u003c\/li\u003e\n\u003cli\u003eDaily drivers seeking reliable, OEM-quality replacement pistons and rings.\u003c\/li\u003e\n\u003cli\u003eProfessional engine builders and tuners working on FA20 platform engines.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CP Pistons","offers":[{"title":"Default Title","offer_id":51255255105832,"sku":"SC7406-4","price":885.15,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0717\/9744\/0808\/files\/0004913_db8180f5bcb62b9804cf4c5b3233b40d_49b70451-b8ce-4f2f-b76a-03f34acbfbf5.webp?v=1771585153","url":"https:\/\/fastscions.com\/products\/cp-piston-ring-set-for-subaru-brz-fa20-bore-86-5mm-size-5mm-cr-10-0-set-of-4","provider":"FastScions","version":"1.0","type":"link"}