Timken Differential Pinion Race Fits 1973-1974 GMC P25/P2500 Van Vehicle Details$26Hempstead, NY Manufacturer: BMWModel: 2500 This is a Classified ad on eBay for a fixed price of $26, this is NOT AN AUCTION. Click here to see all details. More DetailsManufacturer: Timken. Part Type: Differential Pinion Race. 1973 GMC P25/P2500 Van 10.5 In. Ring Gear Position: Rear Outer;. 1973 GMC P25/P2500 Van 8.5 in. / 8.75 in. Ring Gear Position: Rear Inner;. More Vehicles Like This BMW 2500$37 BMW 2500$23 BMW 2500$33 BMW 2500$85