These are aftermarket brass synchro rings for 3rd and 4th in the NV4500 transmission. We have used these in our shop for years and feel they outlast the original fiber lined rings. These are sold individually and fit either 3rd or 4th gears.

This plug seals off the front countershaft bearing in the front of the transmission case in all versions of the NV4500, including GM and Dodge. This plug has a thin ring of rubberized sealer on it, but we recommend using some sealer on it as well.

This thrust bearing fits all versions of the NV4500 transmissions including GM and Dodge. This goes between the input shaft and the 3-4 synchronizer hub.

This is an aftermarket slider that fits 5th gear and reverse gear in all NV4500 applications including GM and Dodge, There are two of these in every transmission.

This is an aftermarket 5th gear for the later GM version of the NV4500. It has 22 teeth.

This 2wd mainshaft fits GM NV4500  transmissions with the park brake drum on the back. This is 25 3/8″ long with threads on the back for a nut.

This small parts kit is designed for both GM and Dodge NV4500 transmissions. It is complete as pictured and includes most snap rings including thick and thin for countershaft 5th gear, shim kit for mainshaft and countershaft, 5th fork roll pins, 2 pins for counter and mainshaft, and plastic thrust washers for reverse idler.

This mainshaft 3rd gear fits all Dodge transmissions and GM transmissions with the 5:61 ratio (22 tooth input shaft). This gear has 29 teeth.