Kyosho Diff. Gear Set Ultima/JJ/87 – K.UTW100Z

The Kyosho Diff. Gear Set Ultima/JJ/87 (part number K.UTW100Z) is a genuine replacement from Kyosho, ideal for restoring smooth, consistent differential operation in compatible vehicles. Whether you are servicing a well-used differential or completing a careful rebuild, this OEM set helps bring back reliable drivetrain performance.

Key Points

• Genuine Kyosho replacement part: K.UTW100Z
• Helps restore smooth and consistent differential action
• Suitable for routine maintenance and rebuilds
• Refer to your kit manual to confirm the correct part number before purchase

Suggested Compatibility

• Ultima/JJ/87

For best results, follow the manufacturer’s assembly instructions and recommended lubricants during installation. Verifying the part number against your model’s manual ensures proper fit within the differential assembly.