Rocky Mountain Western Star Trucks, a division of S & P Brake Supply, is a full service truck parts and repair company in Billings, MT. We are federally certified in all forms of tanker testing and offer complete engine rebuilding. We have the resources and experience necessary to keep your trucks on the road operating at its full capacity. Our services include tanker parts inventory, electrical, bodywork, A/C work, welding, fabrication, brakes, clutches, and suspension. We can provide repairs for all make and model of trucks and trailers. We offer Great Dane trailer parts and many other OE trailer parts. At Rocky Mountain Western Star Trucks, we will go to great lengths to make sure you see the results you are looking for. If you can't keep your trucks on the road, you can turn to our team of professionals to get them working once again. Call Rocky Mountain Western Star Trucks today so that we can help your trucks keep moving!