BUSHINGS SOLD SEPARATELY. This kit comes with 2 Upper Rear Trailing Arms, 2 Lower Rear Trailing Arms, an Installation Manual, and a Full Install DVD. These rear trailing arms fit a variety of applications based on the 71-96 GM B Body platform. For more information on the fitment applications for these rear trailing arms, check out the fitment guide table in the full description. When lifting the rear of a 71-96 B Body vehicle, the trailing arms become too short to work efficiently. UCL extended rear trailing arms will greatly improve the performance of your lifted car application and are a necessity when raising the rear. CLICK HERE TO VIEW THE FULL DESCRIPTION.