{"product_id":"gsc-power-division-15-21-wrx-13-20-brz-13-20-fr-s-fa20-dual-cylindrical-valve-spring-kit-natural-finish","title":"GSC Power Division [15-21 WRX] [13-20 BRZ] [13-20 FR-S] FA20 Dual Cylindrical Valve Spring Kit - Natural Finish","description":"GSC P-D Subaru FA20 WRX\/BRZ\/FRS Dual Cylindrical Valve Spring Kit\n\u003cp\u003eUpgrade valvetrain control in your FA20-powered Subaru WRX, BRZ, or Scion FR-S with the GSC Power Division Dual Cylindrical Valve Spring Kit, part number GSC5256. This performance-oriented kit is designed for applications that require dependable valve spring performance under demanding operating conditions.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eApplication-specific fitment for FA20-powered [15-21 WRX], [13-20 BRZ], and [13-20 FR-S] models\u003c\/li\u003e\n\u003cli\u003eDual cylindrical valve spring design from GSC Power Division\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe GSC Power Division GSC5256 valve spring kit is engineered to support improved valvetrain stability while helping maintain consistent valve control through increased engine speed and performance use. Its dual spring configuration provides a practical upgrade over standard components for engines operating with higher demands than the original equipment setup. The cylindrical spring design is intended to promote reliable operation and consistent spring behavior when properly installed.\u003c\/p\u003e\n\u003cp\u003eThis kit is suited for automotive applications involving FA20 engines in compatible Subaru WRX, Subaru BRZ, and Scion FR-S vehicles. Confirm the vehicle year, engine configuration, and build requirements before installation to ensure proper compatibility. Professional installation and verification of installed height, spring pressure, retainer compatibility, and overall valvetrain clearance are recommended. The kit is supplied as one vehicle application package, with fitment and installation requirements dependent on the specific engine build.\u003c\/p\u003e\n\u003cp\u003eGSC Power Division part GSC5256 is intended for performance-focused valvetrain service and replacement applications. Follow the manufacturer’s installation procedures and use the appropriate supporting components for the selected engine configuration.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eApplication: Designed for FA20-powered [15-21 WRX], [13-20 BRZ], and [13-20 FR-S] vehicles\u003c\/li\u003e\n\u003cli\u003eDesign: Dual cylindrical valve spring configuration\u003c\/li\u003e\n\u003cli\u003eBrand: GSC Power Division\u003c\/li\u003e\n\u003cli\u003ePart Number: GSC5256\u003c\/li\u003e\n\u003cli\u003eUse: Supports consistent valve control in performance-oriented automotive applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nAir Freight Prohibited: false\u003cbr\u003e\nNot Carb Approved: false\u003cbr\u003e\nLtl Freight Required: false\u003cbr\u003e\nProp 65: Y\u003cbr\u003e\nPart Type: automotive\u003cbr\u003e\nEpa: N\/A\u003cbr\u003e\nCarb Acknowledgement Required: false\u003cbr\u003e\nRegular Stock: t\u003cbr\u003e\nUnits Per Sku: 1","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":47258175144038,"sku":"gsc5256","price":449.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0075\/8703\/7237\/files\/cb18adbd96789fd1c37461284972b567.jpg?v=1790175386","url":"https:\/\/jdmuscleusa.com\/products\/gsc-power-division-15-21-wrx-13-20-brz-13-20-fr-s-fa20-dual-cylindrical-valve-spring-kit-natural-finish","provider":"JDMuscle","version":"1.0","type":"link"}