Get peace of mind knowing your RV can handle even the roughest roads when you add the heavy-duty MORryde UO12-029 Shackle Kit to your suspension system. The 1/2" shackle links are stronger and more durable than stock shackles. That means the bracket is much less likely to elongate. Easily extend the life of your bushings and bolts with periodic lubrication.• Thicker, heavy-duty design• Durable bronze bushings• Easy maintenance, greaseable bolts• Loctite nuts• Compatible with AllTrek 4000, CRE3000, and Rigid Equalizer with 2-1/4" shackles• Tandem axles Easy maintenance, greaseable bolts Loctite nuts Compatible with AllTrek 4000, CRE3000, & Rigid Equalizer with 2-1/4"" shackles | MORryde UO12-029 Heavy-Duty Shackle Kit, Tandem