Designed to work with Housing Brace Nos. C3405, C9105, C9205 and other 2" tall back braces. Stamped from 1/4" steel. Eight 3/8" diameter mounting holes, spaced 1" apart. Welding required. One per package, two brackets required per car. Designed for use with Shock Bracket Nos. C3417 and C3419.;.