GP9 B-Unit Deluxe Upgrade Kit w/Silver Trucks Add function and realism to your Lionel GP-9 B-Units. These easy-to-install kits include everything you need to add ElectroCouplers and to make your existing lights direction activated, all ready to go on your choice of black or silver preassembled trucks. SKU: 6-22979 Dimensions: None Gauge: None price: 99.95 year: 2000 rail line: None Minimum Radius: None Catalog Year: 2000 Catalog Title: Classic Trains Vol. 1 2000 Road Number: None GP9B's Upgrade Kit (71-2962/71-2979) - 3/98 Manuals Find the latest manuals in our support section. Replacement Parts Buy any replacement parts in our support section. Contact Contact a service station to fix your product