Dorman Motormite 35664 Suspension, Threaded U-Bolt Kits Dorman Motormite 35664 Suspension, Threaded U-Bolt Kits Features: Universal Ubolt 5/8-18 x 8-3/4 x 3-1/4 Type: Round Thread Size (D): 5/8-18 Inside Length (L): 8-3/4" Inside Width (C): 3-1/4"