80-84 Jeep 4 speed transmission with T176, T177 & T178 Identify this aluminum cased transmission by the cast "2604XXX ". This transmission has a 10 Bolt Aluminum Top Cover with Brass Forks. Sometimes there is a tag with RGJ, RHJ, RGG, RGD or RGH. This kit fits them all! This kit includes all New Bearings, Seals, Gaskets, High Quality Synchro Rings, Small Parts Kit and Counter shaft Pin! Included in the small parts kit are all the snap rings, washers, needle rollers, etc. You won't be short anything!