{"product_id":"cp-piston-forged-piston-ring-set-2015-2021-wrx-2013-2021-brz-frs-gt86","title":"CP Piston Forged Piston \u0026 Ring Set 2015-2021 WRX \/ 2013-2021 BRZ \/ FRS \/ GT86","description":"\u003ch3\u003eCP Piston Forged Piston \u0026amp; Ring Set 2015-2021 WRX \/ 2013-2021 BRZ \/ FRS \/ GT86 | 86mm Bore | High-Performance Engine Internals\u003c\/h3\u003e\n\n\u003ch4\u003eOverview\u003c\/h4\u003e\n\u003cp\u003eThe CP Piston Forged Piston \u0026amp; Ring Set is a precision-engineered upgrade designed for Subaru WRX (2015-2021) and Toyota 86\/BRZ\/FRS (2013-2021) platforms. This set includes four forged pistons and matching rings, crafted to enhance engine durability and performance under demanding conditions. Ideal for enthusiasts looking to build a reliable high-performance engine, these pistons support increased power output while maintaining OEM-level reliability.\u003c\/p\u003e\n\u003cp\u003eCP Pistons has set the industry standard for over a decade by combining advanced CNC machining, proprietary tooling, and rigorous quality control. Their 5-axis machining and computerized inspection ensure each piston meets the tightest tolerances, delivering consistent performance and longevity. The design incorporates specialized features like anti-detonation grooves and accumulator grooves to optimize combustion efficiency and ring sealing.\u003c\/p\u003e\n\u003cp\u003eFor Subaru and Toyota owners, this piston and ring set offers tangible benefits such as improved resistance to detonation, enhanced oil control, and reduced piston-to-cylinder contact. These enhancements translate to better power potential and engine longevity, especially when paired with supporting modifications and proper tuning. This set is a solid foundation for any performance build aiming to push the limits of naturally aspirated or forced induction setups.\u003c\/p\u003e\n\n\u003ch4\u003eFeatures \u0026amp; Specifications\u003c\/h4\u003e\n\u003cp\u003eThis CP Forged Piston \u0026amp; Ring Set is engineered for 2015-2021 Subaru WRX and 2013-2021 Toyota BRZ\/FRS\/GT86 platforms and features an 86mm bore size. Constructed from high-strength forged aluminum, it delivers superior durability and precise fitment for Subaru and Toyota enthusiasts seeking reliable engine upgrades.\u003c\/p\u003e\n\u003cul style=\"list-style:none;padding:0;margin:0;\"\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e CP\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e CP Piston Forged Piston \u0026amp; Ring Set 2015-2021 WRX \/ 2013-2021 BRZ \/ FRS \/ GT86\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e SC7407-4\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e 2013-2021 BRZ, 2015-2021 WRX\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Forged Aluminum\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Natural forged finish\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e CNC machined with proprietary tooling\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Not specified\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBore Size:\u003c\/strong\u003e 86mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompression Ratio:\u003c\/strong\u003e 10.5:1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Set of 4 pistons and rings\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKey Features:\u003c\/strong\u003e Anti-Detonation Grooves, Accumulator Groove, CP Groove, Double Pin Oilers, Optimized Cam and Barrel Skirt Design\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eKey Benefits\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Forged construction and advanced machining ensure pistons withstand high RPM and boost pressures common in performance builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePerformance:\u003c\/strong\u003e Features like anti-detonation grooves and accumulator grooves improve combustion stability and ring seal, supporting higher power output.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Precision CNC machining and tight tolerances guarantee direct fitment for specified WRX and BRZ\/FRS\/GT86 models without modification.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine Longevity:\u003c\/strong\u003e Double pin oilers and optimized skirt profiles reduce wear and noise, extending engine life under aggressive driving conditions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuality Control:\u003c\/strong\u003e Proprietary tooling and computerized inspection maintain consistent quality across all pistons in the set.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eWhat's Included\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e4× CP Forged Pistons (86mm bore)\u003c\/li\u003e\n  \u003cli\u003e4× Matching Piston Ring Sets\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation \u0026amp; Compatibility\u003c\/h4\u003e\n\u003cp\u003eInstallation of the CP Forged Piston \u0026amp; Ring Set requires engine disassembly and precise machining equipment, making professional installation highly recommended. Proper ring end gap measurement and piston clearance checks are essential to ensure optimal performance and reliability. This set is compatible with 2015-2021 Subaru WRX and 2013-2021 Toyota BRZ\/FRS\/GT86 models; verify your specific year and engine variant before purchase. Tuning adjustments may be necessary to accommodate changes in compression ratio and to optimize engine management for the upgraded internals.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProfessional Installation:\u003c\/strong\u003e Recommended\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModifications Required:\u003c\/strong\u003e None beyond standard engine rebuild procedures\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVerify Compatibility:\u003c\/strong\u003e Confirm fitment for your specific year and engine model\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eShop with confidence at Subimods—your Subaru parts specialists.\u003c\/p\u003e","brand":"CP","offers":[{"title":"Default Title","offer_id":50599851524271,"sku":"SC7407-4","price":899.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/3598\/4815\/files\/cp-piston-forged-piston-ring-set-2015-2021-wrx-2013-2021-brz-frs-gt86-sc7407-4-1719166.jpg?v=1791489247","url":"https:\/\/subimods.com\/products\/cp-piston-forged-piston-ring-set-2015-2021-wrx-2013-2021-brz-frs-gt86","provider":"Subimods.com","version":"1.0","type":"link"}