{"product_id":"rs-r-13-lexus-gs350-rwd-f-sport-grl10-super-down-springs","title":"RS-R 13+ Lexus GS350 RWD F-Sport (GRL10) Super Down Springs","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan itemprop=\"sku\"\u003eT171S\u003c\/span\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eRS-R 2013-2015 Lexus GS350 RWD F-Sport (GRL10) Super Down Springs\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eRS-R Super Down Springs T171S fit 2013-2015 Lexus GS350 RWD Base and F-Sport models on GRL10 chassis. Front lowers 40mm (1.57 inches) rear 35mm (1.38 inches) to sharpen handling reduce body roll and deliver aggressive stance. Progressive rates front 4.2 kgf\/mm rear 2.8 kgf\/mm maintain daily drivability while boosting cornering on street or track.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise Drop Specs:\u003c\/strong\u003e Front 40mm rear 35mm lowering creates low center of gravity improved aerodynamics and confident grip in turns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSAE 9254V Steel Construction:\u003c\/strong\u003e High tensile chrome-vanadium alloy handles heavy loads resists sagging for long-term durability in performance use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgressive Spring Rates:\u003c\/strong\u003e Front 4.2 kgf\/mm rear 2.8 kgf\/mm absorb bumps smoothly firm up in aggressive driving for balanced comfort control.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRed Urethane Powder Coat:\u003c\/strong\u003e Durable finish resists rust corrosion road salt for performance in all weather.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM-Quality Fitment:\u003c\/strong\u003e Bolt-on matches factory points no modifications integrates with stock or aftermarket shocks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePair with adjustable coilovers or performance dampers for maximum results.\u003c\/li\u003e\n\u003cli\u003eInspect alignment after install to maintain tire wear and handling.\u003c\/li\u003e\n\u003cli\u003ePackaged securely to prevent shipping damage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation recommended.\u003c\/li\u003e\n\u003cli\u003eUse spring compressor tool for safe removal and replacement.\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM struts and most aftermarket coilovers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eSubmodel\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2015\u003c\/td\u003e\n\u003ctd\u003eLexus\u003c\/td\u003e\n\u003ctd\u003eGS350\u003c\/td\u003e\n\u003ctd\u003eBase RWD GRL10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2015\u003c\/td\u003e\n\u003ctd\u003eLexus\u003c\/td\u003e\n\u003ctd\u003eGS350\u003c\/td\u003e\n\u003ctd\u003eF Sport RWD GRL10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose RS-R?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eJapanese engineering from motorsport heritage delivers proven street-track reliability.\u003c\/li\u003e\n\u003cli\u003eRigorously tested on public roads and circuits for real-world performance.\u003c\/li\u003e\n\u003cli\u003eTrusted by Lexus tuners for exact fit and consistent results.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will T171S fit AWD GS350 models?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e Designed exclusively for RWD GRL10 chassis Base and F-Sport verify your drivetrain before purchase.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What material are the springs made from?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e SAE 9254V high-tensile chrome-vanadium steel alloy with progressive winding for strength and ride compliance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What is the warranty coverage?\u003cbr\u003e\n      \u003cstrong\u003eA:\u003c\/strong\u003e RS-R offers 1-year manufacturer defect warranty register product for extended support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock - ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Sturdy cardboard box 16 x 6 x 16 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 25.4 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"RS-R","offers":[{"title":"Default Title","offer_id":43726395277391,"sku":"RSRT171S","price":339.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/rs-r-13-lexus-gs350-rwd-f-sport-grl10-super-down-springs-rs-r.jpg?v=1769696185","url":"https:\/\/www.blackopsautoworks.com\/products\/rs-r-13-lexus-gs350-rwd-f-sport-grl10-super-down-springs","provider":"Black Ops Auto Works","version":"1.0","type":"link"}