SHACKLE KIT, Leaf Spring, rear, 9/16 inch studs, black polyurethane bushings, The bolts included in this kit are slightly longer than the original studs, They are a tight fit into the narrow confines around the frame rails especially on the LH side where some creative assembly is required to fit them in, See also 3388-1AK, 5630-1BK for mounting hardware options,
NPD Part Number : 5630-1BA Manufacturer Reference #'s: Prothane 6-1054-BL (K), C4DZ-5630-B
Huge upgrade from the factory shackles. Big tires and big block I’m not going to worry about snapping the old ones.
Submitted on August 30, 2022 by Arthur F.
YES I would recommend this product.