Description: 100% brand new, Never been tried or installed. 9" Dual Diaphragm Chrome Power Brake Booster with 1-1/8" Bore Corvette Style Master in chrome plating Professional Installation is Highly Recommended Fitment: 1968-1976 Corvette Package Includes: As shown in the picture above Brand AutoRuning Warranty Yes Fitment Type Direct Replacement Manufacturer Part Number Does not apply UPC Does not apply Type Master Cylinder Port Quantity 4 Items Included Brake Booster Finish Chrome .