The Ultimate ATB Diff for VW Type 1 IRS Transaxles. Transfer power to both wheels smoothly and automatically, without the use of friction discs or drive plates common in other limited-slip designs. The Weddle Industries Automatic Torque Biasing Differential for VW Type 1 IRS features a strong helical gear driven design that offers greatly improved traction in a wide range of driving conditions. ATB diffs are known for their extreme durability, with no costly plates or clutches to wear out. All internal components are made from the highest quality materials and critical housing dimensions are precision ground after heat treat.

Weddle QVWT1C Differential Features:

• 091 (40T) output splines for increased strength

• Extremely durable planetary helical gear design

• Heavy duty steel gears running in case-hardened steel bodies

• Critical housing dimensions are precision ground after heat treat

• All internal components are made from the highest quality materials

• Smooth operation in a wide range of driving conditions

• Each unit includes new diff carrier bearings, Type 1 to 091 drive flange seals, drive flange circlips, spring washers, special spacers, rubber plugs for drive flanges