Spacers are 1-3/8" long and 1-3/8" OD at the large end of the taper. The SAE washers on the back side keep the coil-over from slipping over the bolt head.
Coilovers and axle brackets not included. Bolts (5/8-18 x 5”), washers, spacers, and nuts included. Hardware is zinc plated grade 5. Sold in pairs.