Steering U-Joint 1inDD x 3/4in-36

The Flaming River Steering U-Joint 1inDD x 3/4in-36 is a precision-engineered universal joint designed for custom and high-performance steering systems where reliable shaft coupling is critical. This single-joint assembly connects steering shafts with misaligned axes, allowing smooth power transmission even when the input and output shafts operate at angles to one another. Whether you're building a classic hot rod, vintage truck, or performance vehicle with custom steering geometry, this component eliminates binding and ensures responsive steering feedback without compromise.

Constructed from high-strength steel and finished in a protective nickel plating, the Steering U-Joint 1inDD x 3/4in-36 features a 1-inch double-D input connection paired with a 3/4-inch 36-spline output, making it compatible with standard aftermarket steering columns and rack-and-pinion configurations. The nickel plating provides corrosion resistance and durability in demanding under-hood environments, while the single-joint design minimizes vibration and maintains concentricity during rotation. Its compact dimensions (5.65 x 1.75 x 6.85 inches) and lightweight 1-pound construction make it ideal for tight engine bays and custom installations where space is premium.

Builders and restorers commonly specify Flaming River universal joints for projects requiring OEM-quality steering geometry without factory constraints. Installation is straightforward for experienced fabricators—the double-D and spline connection points accept industry-standard shaft couplings and adapters, allowing flexible integration into both original and custom steering linkages. This universal joint is particularly valued in competition vehicles, custom hot rods, and modified trucks where smooth, responsive steering control directly impacts safety and driver confidence at speed.