Versatile bracket of .016 stainless steel accommodates gascolators with either metal or glass bowl. When mounted as illustrated, inlet and outlet connections are on sides. When bracket is inverted, one port of gascolator faces firewall for direct routing of fuel line through firewall. A fine quality item manufactured by ACS Products Co. Fits gascolators sold after May 1, 1989.

What size is the hole?
The gascolator hole in the mount is approx 1-7/8".

What is the mounting hole diameter of the ACS GASCOLATOR Installation Bracket?
0.166"