Holley EFI harness firewall split grommet

CNC machined from 6061 billet aluminum, these universal fit split face grommets are a perfect fit for your Holley EFI project.

These grommets include a threaded backing plate and the split face covers. The outside diameter on the split face is 3.5". The threaded backing plate has an inside diameter of 2.75" with an outside diameter of 3.5". To install these you will need to cut the inside hole with a 2.5" or 2.75" hole saw and drill 4 - 3/16" holes to match the backing plate.

3 hole variant grommets have: .5", 1.0625", and .7" holes

2 hole variant grommets have: 1.0625", and .7" holes

Proudly made in USA!