Helena Prop Shop is a boat propeller repair shop in Helena, Montana. We repair damaged aluminum, stainless steel, and bronze props to like-new condition. All props are sand blasted, straightened using pitch blocks, welded, reground to original blade geometry, balanced, and painted or polished. We also replace or repair lower gear case skegs to like-new condition. Helena Prop Shop carries an inventory of new boat props from Mercury and Michigan wheel as well as used and reconditioned propellers. We are a member of the National Marine Propeller Association.