Seller notes

This is a complete bolt in kit designed to work on 1966 to 1979 GM medium duty trucks that gives a firewall mounted 11" Super Duty power brake booster and 1.5" bore master cylinder. It's important that you confirm fitment before ordering by comparing my pictures and measurements to your truck. There may be variations in these trucks I am not aware of. This kit is meant for trucks that have a firewall mounted master cylinder held on by two bolts that are 3.625" on center, horizontally spaced. You...

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