brake booster

These are great for extra stopping power. Especially if you have larger tires or after market axles. 1 Year warranty, and FREE SHIPPING in the lower 48 US. These heavy duty power brake conversion kits convert a single diaphragm booster to a dual diaphragm setup which creates more stopping...

Hey so just re ran all most of my vaccuum lines in my 88yj 4.2L with the 2 BBL Carter...i know a pos....anyways when the brake booster connects to the intake manifold there is another vacuum port but I dont have any idea where it is supposed to run. According to the diagram I have in my Chilton...