OER 154829B Features:

These brackets are designed for mounting aftermarket 4-bolt master cylinder/booster combinations to the firewall of almost any vehicle that has a flat area for mounting a booster. Universal fit for most aftermarket 7", 8", 9", or 11" boosters with the standard 3-3/8" square bolt pattern. Great way to mount a booster on your street rod, hot rod, or resto-mod truck. Popular choice for mounting booster on the firewall of practically any 1949-77 GM car or 1940-66 Chevrolet or GMC truck. Note: For use with aftermarket 4-bolt master cylinder/booster combination with the standard 3-3/8" square bolt pattern. Note: For use with aftermarket 4-bolt master cylinder/booster combination with the standard 3-3/8" square bolt pattern. Note: