NEW CAM RING FOR BRIDGEPORT STEP. M ADE IN THE USA! NEW REPLACEMENT CAM RING FOR BRIDGEPORT 1HP STEP PULLEY MILL HEAD. NEED PARTS FOR YOUR BRIDGEPORT? WE STOCK 95%+ OF ALL BRIDGEPORT SERIES REPLACEMENT PARTS! We are a distributor for. HIGH QUALITY TOOLS, Inc. Complete line of replacement parts and accessories. For all of your Bridgeport and other knee-mill replacement parts needs. Work holding, tool holders, measuring tools. New inventory being added regularly! We always try to improve our customer service. Receive best service available! All Major Credit Cards. We guarantee that the items are exactly as stated in the description.