The Haltech firewall rubber wiring grommet is a molded seal sized for 51mm (2") outer diameter and a 21mm (13/16") inner hole, intended for routing wiring through a vehicle firewall. This rubber grommet protects harnesses from chafing and helps seal the firewall penetration. Use it when a 51mm OD, 21mm ID grommet is required for clean, protected wiring passthroughs.
Haltech Firewall Rubber Wiring Grommet - 51mm (2in) OD 21mm (13/16in) ID