This Holley steering U-joint is built from durable steel components with a black zinc finish for a great look and corrosion protection, designed for muscle cars, street rods, and custom steering applications.
Specifications:
- Product Type: Steering U-Joint
- Shaft End 1: 1 in. DD
- Shaft End 2: 1 in. DD
- Material: Steel
- Finish: Black Zinc
- Part Number: 320-103
Includes retaining set screws and lock nuts on the bearing caps; use thread locking compound and torque the set screws and lock nuts to 12 ft-lbs.
FAQ
What size ends does this U-joint have?
Both ends are 1 in. double-D (DD).
What is this U-joint made from?
Steel with a black zinc finish for corrosion protection.
How should the set screws be torqued?
Use thread locking compound and torque the set screws and lock nuts to 12 ft-lbs.
What is this U-joint used for?
Building custom steering shafts on muscle cars, street rods, and custom applications.

