1999-2025 Ford F-250 & Chevy/GMC 2500 HD Sulastic Shackle for Rear Axle Hanger's Bushing Diameter:9/16" or M14 (E-Series) 5″ backspacing with 37″ ×

5″ backspacing with 37″ × 13

0" PERFORMANCE SYSTEM

This item is intended for replacement parts only

As the hat of the pin doesn’t contact

1999-2025 Ford F-250 & Chevy/GMC 2500 HD Sulastic Shackle for Rear Axle Hanger's Bushing Diameter:9/16" or M14 (E-Series) 5″ backspacing with 37″ ×Sulastic is a suspension system designed to improve a vehicle's ride quality and handling, particularly in pick up trucks and heavy duty vehicles. The key component of the Sulastic suspension system is the Sulastic shackle, which replaces the traditional leaf spring shackle found in many suspension systems. The primary purpose of the Sulastic suspension system is to reduce the transmission of road vibrations and shocks to the vehicle chassis and