+3 Booster / Master Mounting Plate CC-600 $30.00 In stock Quantity: 1 Add to Bag Product Details Booster / Master Mounting Plate 5-3/4" tall to fit in 6" frame rails. Will accept 7" or 8" booster, hydro-boost, or manual master cylinder. Made of 1/4" thick steel plate. weld-in. Should be installed with a gusset or brace. Save this product for later Favorite