Description
Our 172-2215is the same as the ACdelco# is 172-2215 and GM# is 14041636.
Fits all Chevy/GMC S-10 and S-15 from 1982-1988.
The combination prop valve has four connections.
It has a 9/16"-18 connection for Rear Brakes & 3/8"-24 port out the bottom for the front brakes.
The connections from the Master Cylinder are 1/2"-20 and 7/16"-24.
Comes with a 1 year warranty.
The top 3/8" port is not on this valve as the picture below shows.