{"product_id":"os-giken-ford-8-8in-31-spline-25-35-336-10-10s-4-d-lsd","title":"OS Giken Ford 8.8in 31 Spline 25\/35-336-10-10s (4-D) LSD","description":"\u003cdiv\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e FD881-HA\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eOS Giken Super Lock LSD for Ford 8.8\" 31-Spline (25\/35-336-10-10s 4-D)\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eExperience the ultimate in traction and control with the OS Giken Super Lock LSD. After more than four years of research and development, OS Giken created a revolutionary limited-slip differential capable of housing up to 28 friction plates nearly twice as many as most competitors.\u003c\/p\u003e\n\u003cp\u003ehis allows the Super Lock LSD to achieve true 100% lock in a progressive, smooth, and ultra-quiet manner, making it ideal for both street driving and serious racing applications. The patented lock timing system, combined with a miniaturized pressure ring and spline-through-side-gear design, delivers exceptional performance while maintaining excellent everyday drivability.\u003c\/p\u003e\n\u003cp\u003eWhether you're carving canyons, launching at the drag strip, or navigating wet roads, the OS Giken Super Lock LSD provides superior traction without the harshness or noise associated with traditional clutch-type LSDs.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 28 Friction Plates\u003c\/strong\u003e – Nearly 2x the capacity of most competitors for true 100% lock\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgressive \u0026amp; Smooth Locking\u003c\/strong\u003e – Patented lock timing system for quiet, predictable engagement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMiniaturized Pressure Ring\u003c\/strong\u003e – Allows more friction plates while maintaining compact fitment\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Grade Materials\u003c\/strong\u003e – Chemically heat-treated components and raw-forged gears for maximum durability\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBillet LSD Case\u003c\/strong\u003e – Machined from a single piece for superior strength and uniformity\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLow Preload with Full Lock\u003c\/strong\u003e – Feels like an open diff during normal driving but locks 100% under load\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo Break-In or Rebuild Required\u003c\/strong\u003e – Precision manufacturing eliminates the need for initial break-in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully Tunable\u003c\/strong\u003e – Adjustable initial torque, lock progression, and ramp angles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable width=\"100%\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eOS Giken\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eSuper Lock Limited Slip Differential (LSD)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eFord 8.8\" Rear End – 31 Spline\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFriction Plates\u003c\/td\u003e\n\u003ctd\u003eUp to 28 (2x more than most competitors)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLock Type\u003c\/td\u003e\n\u003ctd\u003eProgressive Clutch-Type with Patented Timing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eOS Giken Limited Warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhats Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eOS Giken Super Lock LSD Assembly\u003c\/li\u003e\n\u003cli\u003ePressure Rings \u0026amp; Clutch Discs\u003c\/li\u003e\n\u003cli\u003eCone Springs\u003c\/li\u003e\n\u003cli\u003eInstallation Hardware\u003c\/li\u003e\n\u003cli\u003eInstallation Instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProfessional installation by an experienced differential technician is strongly recommended\u003c\/li\u003e\n\u003cli\u003eCompatible with Ford 8.8\" rear ends using 31-spline axles\u003c\/li\u003e\n\u003cli\u003eAvailable in standard and Spec-X configurations (contact us for custom Spec-X orders)\u003c\/li\u003e\n\u003cli\u003eTCD (Traction Control Differential) version available for even smoother operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord Mustang (8.8\" Rear)\u003c\/td\u003e\n\u003ctd\u003eMost 2011–2024 models with 31-spline axles\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord F-150 (8.8\" Rear)\u003c\/td\u003e\n\u003ctd\u003eSelect years and configurations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFord Explorer \/ Sport Trac\u003c\/td\u003e\n\u003ctd\u003e8.8\" rear axle applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCustom Ford Builds\u003c\/td\u003e\n\u003ctd\u003eAny vehicle using Ford 8.8\" 31-spline rear end\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003eWhy Choose OS Giken?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eJapanese performance leader in high-end drivetrain components since 1983\u003c\/li\u003e\n\u003cli\u003eRevolutionary Super Lock design with industry-leading plate count\u003c\/li\u003e\n\u003cli\u003ePrecision engineering trusted by professional race teams worldwide\u003c\/li\u003e\n\u003cli\u003eProgressive locking that feels smooth on the street and aggressive on the track\u003c\/li\u003e\n\u003c\/ul\u003e\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 How many friction plates does this LSD have?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e Up to 28 friction plates — nearly twice as many as most competing LSDs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is this LSD noisy?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e No. The Super Lock LSD is engineered for ultra-quiet operation with progressive, smooth locking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Will this fit my 2018 Mustang GT?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e Yes, as long as your Mustang has the 8.8\" rear end with 31-spline axles (most 2011–2024 Mustangs do).\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Can I adjust the locking behavior?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e Yes. Initial torque, lock progression timing, and ramp angles are all tunable.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground or 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 Secure oversized OS Giken packaging\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"OS Giken","offers":[{"title":"Default Title","offer_id":45311476498511,"sku":"OSGFD881-HA","price":1650.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/os-giken-fd881-ha-ford-8-8-31-spline-super-lock-lsd.png?v=1779995119","url":"https:\/\/www.blackopsautoworks.com\/products\/os-giken-ford-8-8in-31-spline-25-35-336-10-10s-4-d-lsd","provider":"Black Ops Auto Works","version":"1.0","type":"link"}