$8.00
2 1/2" Fire Wall Grommet 
$10.00
Liquid Tight Fitting 1" Thread Size, Straight Thru, Nylon, Black Nylon material Push tubing into the fitting, tighten lock nut, and screw into place Suitable for indoor and outdoor use Size: 1" Thread Size: 1" NPT Straight In Type
$75.00
Fire Wall Mounted Plug 21 Pin Male and Female Connector Mounting Panel Nut Male and Female Terminals 4 - 10-12 Gauge Terminals 17-18-14 Gauge Terminals
$14.00
Fire Wall Plate with Grommet   Mount into existing hole on firewall.  
$25.00
Fire Wall Plug Will Accept 30 Accessory Wires & 2 Power Wires Panel Connectors and Terminals Included