Inverted seat fittings are used in a wide variety of brake applications, including master cylinders and brake calipers, and convert these ports to AN male threads. Can also be used to seal with a washer if necessary.

Inverted seat fittings are used in a wide variety of brake applications, including master cylinders and brake calipers, and convert these ports to AN male threads. Can also be used to seal with a washer if necessary.