Application: --Fit most GM application. Description: --1 1/8" bore.9/16" & 1/2" Ports on Both Sides. --Four port unit, meaning you can mount your lines to either side. --Setup for either drum/drum or disc/drum applications.Universal master cylinder that will work with most boosters. --Remember, when mounting any master cylinder under the floor, residual pressure valve are necessary to prevent loss of brake pressure (they are not usually required for firewall mount kits).
