These brand - new polyurethane upper control arm bushings are a great replacement for your worn - out or damaged Kryptonite or Cognito UCA bushings. They fit a wide range of GMC and Chevrolet models from 1999 to 2018, including 1500 HD, 2500, 2500 HD, 3500, 3500 HD, 1500 6 Lug, and 2500 SUVs/Hummer H2/SUTs in both 2WD and 4WD configurations. The set includes 8 UCA bushings and 4 UCA bushing sleeves. Please note that they work only with Kryptonite or Cognito UCA Kit and not with FTS control arms or stock control arms. They come with Kryptonite's No Fine Print Lifetime Warranty (excluding Heim Joints), but you must purchase from an authorized dealer and complete warranty registration within 90 days of purchase.

Using these upper control arm bushings is easy. First, make sure your vehicle is the right model and year that these bushings fit. Remove the old, worn - out or damaged Kryptonite or Cognito UCA bushings carefully. Then, install the new polyurethane bushings and the included bushing sleeves. Remember, these bushings only work with Kryptonite or Cognito UCA Kit. Don't try to use them with FTS control arms or stock control arms. For maintenance, regularly check the bushings for any signs of wear or damage. If you notice anything unusual, contact the dealer. And to keep your warranty valid, buy from an authorized dealer and register your product within 90 days of purchase.