Cal Custom Chrome Aluminium Brake Proportioning Valve, GM Style, Suit Disc/Disc Brakes Can be used as a

Can be used as a pusher or puller fan by simply flipping brackets without changing direction of the unit

Suits u-joints with 1-1/8" diameter caps

Lasercut mild steel

These are not for use on pollution controlled vehicles

Fits 1955 1956 1957 Tri-5 Chevy model frames

Cal Custom Chrome Aluminium Brake Proportioning Valve, GM Style, Suit Disc/Disc Brakes Can be used as aGM style brake proportioning valve to suit vehicles using front and rear disc brakes. Chromed aluminium construction, precision manufactured. Single wire GM style brake warning light switch This is a GM style proportioning valve that can be also be used for various universal applications Thread sizes for nuts are as per GM UNF, 9 16 UNF, 3 16 SAE (See image for locations)