Sweet Universal Joint U-Bolt Kit

Sweet Manufacturing Universal Joint U-Bolt Kits for Racing

When it comes to race car steering integrity, few details matter more than the hardware that holds your universal joints securely in place. Sweet Manufacturing has been engineering race-winning steering components since 1978, and their Universal Joint U-Bolt Kits reflect the same precision and durability that has made the brand a staple in circle track and sprint car racing paddocks across the country.

Sweet Manufacturing was founded in 1978 on the concept of providing racers with steering components designed to give a real competitive advantage. All of their products have been designed and built using the experience and knowledge gained from Randy Sweet's decades of racing competition, plus continuous input from the nation's top drivers, engineers, and chassis builders. That heritage is reflected in every fastener, set screw, and U-bolt that leaves their facility.

Why U-Bolt Kits Matter in a Racing Steering System

Built for strength and durability, Sweet's U-joint hardware ensures tight, accurate steering performance under the demanding conditions of the track, and their American-made products are built with excellence and proven by performance. A loose or improperly secured universal joint is one of the fastest paths to steering slop — something Sweet has specifically engineered against. Sweet Universal Joints are strong and precise with "no slop" , and the U-bolt kits that accompany them are designed to maintain that zero-tolerance fit across an entire race event.

Unlike traditional U-joints for passenger and commercial vehicles, racing U-joints are made of high-strength materials like steel, and they also feature dual heat treatment for maximum strength and yokes designed for greater misalignment capacity. The U-bolt kits complement this construction by providing the clamping force and retention hardware needed to keep everything locked down under sustained lateral loads and vibration.

Engineered Alongside Sweet's Full U-Joint Lineup

Sweet's U-bolt hardware is purpose-paired with their broader universal joint system. Their single universals have a working angle of up to 32 degrees, while the double universals have a working angle of 80 degrees. Sweet universal joints feature a full complement of needle bearings, are the lightest and most compact steering U-joint available, are NASCAR approved, and are made in the USA. The U-bolt kits are specifically designed to work in harmony with these joints, ensuring that installation is straightforward and that the connection remains secure across a wide range of shaft configurations — including smooth bore and splined applications.

Sweet offers a wide range of sizes and specifications for their single and double U-joints to fit many different vehicles , and their accompanying hardware kits follow suit, providing the correct fasteners for each application rather than a generic one-size-fits-all approach. This attention to system-level compatibility is what separates Sweet from suppliers offering off-the-shelf hardware that was never designed with racing tolerances in mind.

Trusted by Racers at Every Level

Sweet Manufacturing has been a leader in the sprint car racing industry since 1978, focusing on precision, strength, and innovation to ensure their products perform under the most demanding racing conditions. Whether you're campaigning a late model, a modified, or a sprint car, Sweet's Universal Joint U-Bolt Kits give you the confidence that your steering shaft connections are as race-ready as the rest of your setup. Browse the full selection of Sweet Manufacturing products or explore the complete range of Universal Joint U-Bolt Kits to find the right hardware for your build.