[Installation Instructions] There is a detailed disassembly and installation process in the description of the product page, but the installation is a bit complicated, and we still recommend professional installation. [Package contents] Products include shackle brackets, tin bronze bushings, Greasable bolts and nuts. Use high quality materials for this upgraded heavy duty shackle kit. It will make your RV run smoothly without swinging The bolts are forged to reach the tensile strength of 150,000 psi; The bushings are made of Cu-based powder metallurgy, much better than bronze bushings The 3.125 heavy duty shackle kit is available for both tandem and triple axle trailers and will fit units with upgraded... Replace this heavy duty shackle kit for your suspension, it makes your RV run on the roughest roads. Description: [Practical Features] For strengthening RV running gear. Sporacingrts 14PCS Greaseable Spring Bolt with Locknut 9/16 x 3 Trailer Sporacingrts Heavy Duty Shackle Upgrade Kit Compatible with CRE3000 Stock and Equaflex Trailer Shackle kit 3.125" Shackles Tandem Axle Replaces UO12-021 (Silver) Bolt in Shackles & Parts [Premium Material] Use more durable tin bronze bushings, thicker shackles to increase strength, lubricate the bolts to reduce maintenance and wear, and extend product life. [Scope of application]This heavy duty trailer shackle upgrade kit 3., 125 shackles ,For Tandem Axle Truck/ Trailers . material：stainless steel Color: silver Weight：5., 348kg Note: Please allow 1-3CM differs due to manual measurement. 3.125 Shackle Kit For RV Sporacingrts Heavy Duty Shackle Upgrade Kit Compatible With 3 Greasable Bolts Trailer Hardware [Practical Features] For strengthening RV running gear.
