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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
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