Made from high-quality steel, these bulkhead adapters from Speedway give you an easy way to connect lines through firewalls or frames.
These fittings have AN at one end and 10mm-1.5" on the other end. It can be screwed into a GM metric caliper with 10mm-1.5" threads if you use our crush washers (part number 617-3642).
Steel Male Adapter Connector Fitting
- AN to IFM all steel adapter
- 10mm - 1.5 to -4 AN