LIMITED SUPPLY ITEM - Availability is subject to stock on hand. This is a NORS (NEW OLD REPLACEMENT STOCK) Door Window Regulator Repair Kit for 1939-1940 Chevrolet Passenger Cars. Each kit has a 6-tooth gear, single-piece shaft and comes with fasteners & instructions. These kits were made 50+ years ago by Champ Items from St. Louis, MO, USA. This kit will help repair one window regulator. Specific Applications: 1939-1940 Chevrolet, Pontiac, Buick & Oldsmobile Cars