If you're rebuilding a T150 3-speed manual transmission from a 1976-1979 vehicle, this USA Standard bearing kit has all the high-quality parts you need. It's designed specifically for that cast iron case and top cover (cast number 2604203), so you know everything will fit right. The kit includes all the bearings and likely some seals or other wear items – it's one of the most complete kits out there, meant to get you from start to finish without hunting for parts. USA Standard does their homework, engineering each kit for the exact application. Whether your trans is worn out or you're building a performance setup, this kit gives you reliable components. A must-have for any serious transmission rebuild on these older 3-speeds. Save time and do the job once with the right parts.