1/0 Gauge Firewall Bushing: PACK OF 3
General Description: firewall bushing is a three piece design; the threaded shaft loads through the firewall, a rounded cap screws on from one side and a nut from the other. A must for professional installs a watertight seal is created as the ends are tightened. Your wire will be protected from metal jagged edges and moisture. Cut Out Diameter: 1.105" Shaft Length: 1.588" Inner Hole Diameter for Wire: 0.75"