New Detroit Speed heavy duty 1/2"-20 U-bolts for your Firebird or Trans Am. These high grade bolts provide a simple and clean way to mount your rear axle. They come complete with tall 1/2"-20 nuts and washers. DSE U bolts are steel with a zinc electroplate finish. The U-bolts are sold in a set of 4. They have a larger 1/2 inch diameter over the stock 7/16 inch diameter. Each set includes a set of correct tall style mounting nuts with washers.

PLEASE NOTE ~ Make sure your rear end shock plates and your rear end axle spring perches will work with a 1/2 inch bolt! These will not work with stock rear axle perches unless they have been elongated.

PART NUMBER: SUS-882