Originally Posted by
SwOkcOffRoader
proportioning valves are hard to find, most parts stores dont carry them, which is strange because they are wearable parts...but there are a few companies online that started cutting their own out of brass blocks...i installed several on older cars recently with great results....sorry i dont know the companies name, but i found it on google fairly easily...
Master Power Brakes, Stainless Steel Brakes Corporation, Wilwood, Speedway Motors... NPD carries 'em too..