The Peterbilt Spring Eye Shackle Kit is a practical and durable solution for your vehicle's suspension needs. This kit includes 2 SP00-11561 bushings, 2 sidebars, 4 bolts, and 4 locknuts, making it a comprehensive and convenient option for rear or front installation. The polyurethane construction ensures longevity, while the 4" length and 1 1/2" outside diameter provide a secure fit. Compatible with OE parts from various manufacturers, including Automann, Dayton Parts, Flagg, and Peterbilt, this kit is a versatile and reliable choice for your vehicle maintenance needs.