Daystar Firewall Boot Single 3/8 Inch to 1 Inch Diameter Wire Bundles - KU20040BK

Throw away those leaky rubber grommets! Daystars Firewall Boot is the BEST way to run wires, hoses, and other lines through your vehicles firewall. Simply drill a 1.25 diameter hole in the firewall and install the boot. Run your wires, trim the boot as necessary, and secure the assembly with a zip tie. Its that easy!