{"product_id":"os-giken-toyota-gt86-scion-fr-s-super-lock-lsd","title":"OS Giken Toyota GT86\/Scion FR-S Super Lock LSD","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e TY421-HA \u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eOS Giken Toyota GT86 Scion FR-S Subaru BRZ Super Lock LSD (TY421-HA 2013-2021)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe OS Giken Super Lock LSD TY421-HA is a 2-way clutch-type limited slip differential built for Toyota GT86 Scion FR-S and Subaru BRZ models spanning 2013 to 2021. It replaces the stock open differential to distribute power evenly to both rear wheels enhancing straight-line acceleration stability and cornering traction. Track and drift drivers rely on this LSD for consistent performance under high loads.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e2-Way Locking:\u003c\/strong\u003e Engages full lock on acceleration and deceleration sending power to the wheel with grip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Capacity Clutch Pack:\u003c\/strong\u003e 8 initial torque plates plus 8 reaction plates deliver consistent torque bias and resist wear\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShot-Peened Gears:\u003c\/strong\u003e SCM415 alloy steel gears with carburizing treatment handle extreme torque while minimizing noise\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReinforced Case:\u003c\/strong\u003e High-tensile ductile iron housing withstands racing stresses without flexing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Bolt-In Design:\u003c\/strong\u003e Matches OEM dimensions and spline count for seamless swap with stock 4.1 final drive\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eUse OS Giken LSD gear oil or equivalent 75W-90 GL-5 synthetic for clutch pack longevity\u003c\/li\u003e\n\u003cli\u003ePerform 500km break-in with varied throttle and speeds avoiding full lock\u003c\/li\u003e\n\u003cli\u003eHeavy precision component handle with care during unpacking\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\u003eDrain OEM fluid remove stock differential and transfer internals to LSD carrier\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM axles mounting bolts and 4.10 ring gear\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\u003e2013-2016\u003c\/td\u003e\n\u003ctd\u003eScion\u003c\/td\u003e\n\u003ctd\u003eFR-S\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2017\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eBRZ\u003c\/td\u003e\n\u003ctd\u003eLimited\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2017\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eBRZ\u003c\/td\u003e\n\u003ctd\u003ePremium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2013-2020\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eBRZ\u003c\/td\u003e\n\u003ctd\u003etS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2015\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eBRZ\u003c\/td\u003e\n\u003ctd\u003eSeries.Blue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2016\u003c\/td\u003e\n\u003ctd\u003eSubaru\u003c\/td\u003e\n\u003ctd\u003eBRZ\u003c\/td\u003e\n\u003ctd\u003eSeries.Hyperblue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017-2021\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003e86\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003e86\u003c\/td\u003e\n\u003ctd\u003eSpecial Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2017-2020\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003e86\u003c\/td\u003e\n\u003ctd\u003eGT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018-2020\u003c\/td\u003e\n\u003ctd\u003eToyota\u003c\/td\u003e\n\u003ctd\u003e86\u003c\/td\u003e\n\u003ctd\u003eHakone Edition\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose OS Giken?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eJapanese specialist in clutch LSDs with decades of drifting competition wins\u003c\/li\u003e\n\u003cli\u003eHand-built units ensure every LSD meets racing standards\u003c\/li\u003e\n\u003cli\u003eEngineered for ZN6 platform with exact tolerances for reliability\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 Does TY421-HA fit 2018-2021 Toyota 86 and Subaru BRZ?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e Yes direct fit for all ZN6 chassis 86 FR-S BRZ models 2013-2021 regardless of submodel or transmission\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What materials are used in construction?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e Ductile iron case SCM415 gears and high-friction clutch plates built for high horsepower abuse\u003c\/li\u003e\n \u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What warranty coverage applies?\u003cbr\u003e\n \u003cstrong\u003eA:\u003c\/strong\u003e 12 months from purchase date covers manufacturing defects with proof of proper installation and oil\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 \/ FedEx 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 Original OS Giken carton 16 x 14 x 14 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 44 lbs\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OS Giken","offers":[{"title":"Default Title","offer_id":43761545740367,"sku":"OSGTY421-HA","price":1450.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/os-giken-toyota-gt86scion-fr-s-super-lock-lsd-os-giken-2.jpg?v=1767725525","url":"https:\/\/www.blackopsautoworks.com\/products\/os-giken-toyota-gt86-scion-fr-s-super-lock-lsd","provider":"Black Ops Auto Works","version":"1.0","type":"link"}