SKU: FLAFR1716DD
MPN: FR1716DD
The Steering U-Joint 3/4in DD x 3/4in DD from Flaming River is an essential component for custom steering systems, race vehicles, and hot rods where precision driveline geometry matters. This universal joint connects the steering column to the steering box with a direct double-D (DD) connection on both ends, eliminating slop and ensuring responsive steering feedback. Whether you're building a modern restoration, fabricating a custom chassis, or upgrading an existing vehicle's steering response, this u-joint delivers the mechanical reliability and accuracy that separates professional builds from compromised installations.
The double-D design on both the input and output shafts provides a keyed, non-slip connection that prevents the steering column from rotating independently of the steering box—a critical safety and performance feature in high-performance applications. Flaming River u-joints are engineered with needle roller bearings that maintain smooth articulation across multiple angles while minimizing radial play and steering column vibration transmission. The 3/4-inch DD configuration is standard for many street rods, custom trucks, and race cars where OEM steering columns have been replaced with aftermarket columns or custom fabrication requires a compact, reliable u-joint interface.
This u-joint is ideal for builders integrating aftermarket steering columns, installing column-mounted shifters, or upgrading steering systems in vehicles with modified chassis geometry. The solid construction and premium bearing design make it compatible with power steering systems, manual steering boxes, and both straight and bent steering shafts common in custom automotive applications. Installation requires basic mechanical knowledge; the DD shafts slide into existing 3/4-inch DD holes on both the steering column and steering box input shaft, then are secured with set screws to prevent rotation. For optimal longevity, ensure proper shaft alignment and lubricate the needle bearings according to Flaming River specifications.
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