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SKU: TY031-HA
OS Giken Toyota Supra JZA80 (5MT/AT/6MT/8.5in) / Soarer JZZ30 (AT Only) Super Lock LSD
The OS Giken TY031-HA Super Lock LSD is a clutch-type limited slip differential that replaces the stock open unit for Toyota Supra JZA80 models with 5MT, AT, or 6MT and 8.5-inch ring gear, plus Soarer JZZ30 AT transmissions. It applies high preload torque to both rear wheels during acceleration and deceleration, cutting wheelspin for quicker launches and tighter corner exits. This design enhances overall vehicle control whether drifting, racing, or daily driving.
Key Features
- Super Lock Cam Preload System: Delivers 90 kgf-cm initial torque for immediate grip from low speeds, with progressive lock-up to 100% under load.
- 1.5-Way Locking Action: Full lock on acceleration and partial lock on deceleration for stable handling through turns and braking zones.
- Nodular Graphite Iron Case: Withstands extreme track abuse and high horsepower without flexing or cracking.
- High-Capacity Clutch Pack: 10 friction plates with optimized cone design for consistent performance and long service life.
- Direct Bolt-In Fit: Matches OEM dimensions and spline count for hassle-free swap into 8.5-inch differentials.
Product Notes
- Requires OS Giken LSD gear oil or equivalent 75W-90 GL-5 with LSD additive for peak operation.
- Follow 500km break-in period with specific oil changes to seat clutches properly.
- Heavy precision part ships secured in foam inserts to prevent damage.
Installation Notes
- Professional installation recommended.
- Drain and flush differential fluid before removal of stock unit.
- Compatible with OEM mounting hardware. torque carrier bearings to 240 Nm spec.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1993-2002 | Toyota | Supra | JZA80 (5MT/AT/6MT 8.5in) |
| 1993-1998 | Toyota | Supra | Twin Turbo |
| 1991-2000 | Toyota | Soarer | JZZ30 (AT Only) |
Why Choose OS Giken?
- Proven in D1 Grand Prix drifting and Super Taikyu endurance racing.
- Hand-assembled in Japan with tight tolerances for zero play.
- Engineered for 1000+hp builds with reinforced internals.
Frequently Asked Questions
-
Q: Will TY031-HA fit my 1993-1998 Toyota Supra Twin Turbo with 6MT?
A: Yes, it bolts directly into JZA80 differentials with 8.5-inch ring gear across 5MT, AT, and 6MT setups. -
Q: What materials are used in construction?
A: Nodular cast iron center case, chromoly steel gears, and carbon steel clutch plates for maximum strength and heat resistance. -
Q: What warranty coverage applies?
A: One-year manufacturer warranty against defects when installed by certified shop and using recommended fluids.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Original OS Giken box with protective foam, 20 x 15 x 15 inches
- Weight: 52 lbs
Differentials
Differentials distribute engine torque between drive wheels, allowing them to rotate at different speeds through corners while maintaining traction. Upgrading from a factory open differential to a limited-slip or locking differential is one of the most impactful drivetrain improvements you can make for towing, off-roading, drag racing, or any application where both wheels need to work together under load.Popular Differential UpgradesTop upgrades include Eaton Detroit Locker and Eaton Truetrac limited-slip units for GM, Ford, Dana, and Chrysler axles, ARB Air Lockers for Jeep and truck off-road applications, and OS Giken Super Lock LSD units for JDM performance platforms. Locker conversions for Dana 44 and Dana 60 front axles are essential for serious rock crawling, while Truetrac helical LSDs deliver traction improvements without aggressive locking behavior for street and tow applications.What is the difference between a locker and a limited-slip differential?A locking differential ...
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Shop OS Giken drivetrain parts, Super Lock LSD differentials, limited slip differentials, twin plate clutches, racing clutch kits, gear oil, differential covers, release sleeves, clutch alignment tools, and high-performance Japanese motorsport components at Black Ops Auto Works. OS Giken is known for precision-engineered drivetrain upgrades built in Japan for racing, track use, drifting, time attack, road racing, street performance, and high-horsepower applications. Whether you are upgrading a Nissan 350Z, 370Z, 240SX, Skyline RB26DETT, Toyota Supra, Toyota GT86, Scion FR-S, Mazda Miata, Mazda RX-7, Honda S2000, Honda Civic Type R, BMW M3, BMW M5, Porsche Cayman, Porsche Boxster, Ford 8.8 rear end, Mini Cooper S, or Datsun Z car, this OS Giken collection helps you find premium drivetrain parts designed for traction, durability, power transfer, and motorsport-level control. Shop OS Giken Parts by Category Browse OS Giken performance drivetrain upgrades across popular categories, incl...
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