Black Widow Pro Y-Pipe Front Brake Conversion This master cylinder is used

This master cylinder is used when converting your single reservoir drum brake system to the much safer dual reservoir drum brake system

Rear brake line fitting port is 7/16-20 (1/4" brake line standard)

1973-76 A-Body

Master Cylinder- 1" bore

Forged billet Dynalite calipers

Black Widow Pro Y-Pipe Front Brake Conversion This master cylinder is usedIf you plan on running dual tailpipes or have dual down pipes running into Venom or Pro Venom single inlet outlet mufflers, Black Widow Y Pipes are the way to go. Black Widow Y Pipes are made out of quality aluminized stainless steel and backed by our standard 2 million mile warranty. Available in: 3" single x 2. 5" dual 2. 5" single x 2. 5" dual 3" single x 3" dual