OS Giken TY031-HA SuperLock LSD 1.5-Way 200mm for 1993-98 Toyota Supra/Soarer

Vehicle Fitment

• 1993-1998 Toyota Supra JZA80 (5MT/6MT Manual & Auto, 2JZ-GTE, 200 mm ring gear; AWD RWD)
• 1993-1998 Toyota Soarer JZZ30 (Automatic only, 200 mm ring gear)
• 1998-2004 Lexus GS300 JZS161 (RWD, manual or auto, 200 mm ring gear)

Features

• 1.5-way spline-through-side-gear design with up to 28 friction plates
• Patented pressure-ring system for smooth, progressive 100% lock
• Chemical heat-treated high-grade steel alloy components
• Raw-forged gears for maximum strength
• Precision-machined clutch disks to prevent warpage
• Billet-machined case for uniform durability
• Low preload (12 S) with performance ramp angles (25/38)
• Quiet operation suitable for street and track
• Adjustable tuneable setup with optional cone springs and tuning service

Specifications

• Ring gear size: 200 mm
• Lock type: 1.5-way limited-slip differential
• Ramp angles: 25° / 38°
• Lock timing: 336
• Total friction plates: 28
• Preload spec: 12 S
• Weight: ~33 lb (15 kg)

Included Components

• 1x OS Giken SuperLock LSD assembly (TY031-HA)
• Adjustment shims/cone springs kit (standard spec)
• Installation spindle pinion carrier bushings (if sold as kit)
• Instructions & tuning spec guide

Product Description

The OS Giken TY031-HA SuperLock LSD is a high-performance 1.5-way limited-slip differential engineered for Toyota Supra JZA80 and Soarer JZZ30 vehicles equipped with the 200 mm ring gear, as well as Lexus GS300 JZS161 through 2004. Featuring up to 28 precision-machined clutch plates housed in a billet case with a patented pressure-ring system, this LSD delivers smooth progressive locking, maximum drivetrain grip, and fitment for both manual and automatic transmissions.

With adjustable preload (12 S spec) and ramp angles (25/38), the TY031-HA superLock is street-friendly yet track-capable, offering balanced torque bias and preventing wheelspin. Built with heat-treated steel alloy and raw-forged gears, it's extremely durable and quiet in operation. OS Giken offers tuning services to customize lock torque, progression, and ramp angles to match your build. Fitment includes 1993-98 Supras (5MT/6MT/AT), 93-98 Soarer AT, and 98-04 Lexus GS300. Ensure your 200 mm diff fitment before purchase; 9" diffs (e.g. 6-spd Supras) require TY033-HA.