Firewall Rubber Grommet - 51mm (2") OD 21mm (13/16") ID

This Haltech firewall rubber grommet provides a professional sealing solution for routing wiring harnesses and cables through bulkheads in performance vehicle applications. The 51mm outer diameter suits standard firewall penetrations, while the 21mm inner diameter accommodates most aftermarket engine management looms and auxiliary cable runs. Constructed from durable rubber compound to resist heat, fuel and oil exposure. Essential for maintaining cabin integrity whilst protecting wiring from chafing and environmental damage during ECU installations and motorsport builds.