{"product_id":"riaction-gp-1-digressive-coilovers-subaru-impreza-wrx-sti-va-15-21","title":"Riaction GP-1 Digressive Coilovers - SUBARU IMPREZA WRX\/STI VA 15-21","description":"\u003cp\u003eEngineered for the \u003cspan\u003e\u003cspan\u003eSubaru WRX STI VA\u003c\/span\u003e\u003c\/span\u003e, the \u003cstrong\u003eRiaction GP-1 Digressive Coilover Kit\u003c\/strong\u003e features \u003cstrong\u003edigressive valving technology\u003c\/strong\u003e designed for responsive street and performance driving. This damping profile delivers \u003cstrong\u003efirm low-speed control for sharper turn-in, reduced body roll, and improved chassis stability\u003c\/strong\u003e, while maintaining compliance over uneven surfaces—resulting in a ride that stays composed without excessive harshness.\u003c\/p\u003e\n\u003cp\u003eBuilt for drivers pushing both WRX and STI platforms, this system enhances AWD traction under load, improves corner exit stability, and delivers consistent feedback through aggressive driving conditions while remaining suitable for daily use.\u003c\/p\u003e\n\u003cp\u003eEach kit is constructed using high-quality materials and precision engineering to ensure durability, reliability, and repeatable performance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubaru Impreza WRX (2015–2021)\u003c\/li\u003e\n\u003cli\u003eSubaru Impreza WRX STI (2015–2021)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan\u003e\u003cstrong\u003eCoilover Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFull-Length Ride Height Adjustment\u003c\/li\u003e\n\u003cli\u003e32-Level Damping Adjustment\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eDigressive Valving Technology\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eMono-Tube Damper Design\u003c\/li\u003e\n\u003cli\u003e52mm Seamless Electroplated Carbon Steel Shock Body\u003c\/li\u003e\n\u003cli\u003e20mm Piston Rod (McPherson Suspension)\u003c\/li\u003e\n\u003cli\u003e14mm Piston Rod (Non-McPherson Suspension)\u003c\/li\u003e\n\u003cli\u003e44mm High-Flow CNC 6061 Aluminum Piston\u003c\/li\u003e\n\u003cli\u003eThinned CNC 6061 Aluminum Floating Piston\u003c\/li\u003e\n\u003cli\u003ePolyurethane Oil Seal\u003c\/li\u003e\n\u003cli\u003eSAE9254 Cold-Wound Spring\u003c\/li\u003e\n\u003cli\u003eMulti-Thickness Valving Shims\u003c\/li\u003e\n\u003cli\u003eLow Gas Pressure Design\u003c\/li\u003e\n\u003cli\u003e7.5W Compounded Suspension Fluid\u003c\/li\u003e\n\u003cli\u003eFully Rebuildable Construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan\u003e\u003cstrong\u003eSpring Rates\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFront: 8K\u003c\/li\u003e\n\u003cli\u003eRear: 8K\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan\u003e\u003cstrong\u003eWhat’s Included\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFull set of 4 coilovers (front and rear)\u003c\/li\u003e\n\u003cli\u003eSpanner wrenches\u003c\/li\u003e\n\u003cli\u003eDamping adjustment knobs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e\u003cspan\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003e2-Year Factory Warranty against manufacturer defects.\u003c\/p\u003e\n\u003chr\u003e\n","brand":"Riaction","offers":[{"title":"Default Title","offer_id":54079070896435,"sku":null,"price":1305.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0256\/5855\/6497\/files\/GP-1_DIGRESSIVE_SUBARU_IMPREZA_WRX-STI_VA_15-21_Coilovers_-_Riaction_Performance_Shocks-3701742_89b6fc0a-264e-4b0d-9d8a-49a115238fa2.jpg?v=1789432397","url":"https:\/\/www.circuitspecr.com\/products\/riaction-gp-1-digressive-coilovers-subaru-impreza-wrx-sti-va-15-21","provider":"Circuit Spec R","version":"1.0","type":"link"}