Advance Adapter:
About the only weakness we've seen on the Dana 300 is the output shaft. The stock Dana 300 output shaft is a 1-1/8" diameter, 26 spline. We now offer a new, larger 1-3/8" diameter 32 spline output shaft for this transfer case. The Dana 300 has two different stock tailhousing lengths (approximately 4.25" "long tail" and 3.25" "short tail"). The bolt patterns on these two tailhousings aredifferent when bolting to the Dana 300 case.
We offer kits to fit both lengths of the Dana 300 transfer case tailhousings. Dana 300s equipped with the shorter 3.5" version tailhousing will require driveshaft modifications, since our kit is 1.5" longer than your stock. Kits come complete with a new tailhousing, output shaft, tapper roller bearings, and yoke. If you require strength and reliability, the Advance Adapters H.D. Dana 300 output shaft kit is a must have.
This kit can be used with different series yokes. Advance Adapters offer several choices. Yoke options
NOTE: This tailhousing uses the stock speedometer. We have included a new o-ring to re-install you stock speedometer housing. If you are not using a speedometer we also offer a hole plug that seals the speedometer hole in this casting. P/N 300621. If you need to replace your speedometer housing we offer a new one P/N 301506. The new one or your stock one can be equipped with a new gear to calibrate your speedometer for tire size and axle ratio. The speedometer gear options are on the last page of the instruction sheet.
The new speedometer drive gives you the advantage of calibrating your tire and axle gearing. Due to this feature, our tailhousing is ½" longer than stock.
Transfer Case
The kit is designed for exclusive use with the Jeep Dana 300 transfer case. The adapter assembly will not fit the short version tailhousing of the Dana 300. This early Dana 300 was used during the 1980 model year. The short style tailhousing measures approximately 3.5". This particular Dana 300 will require our 50-3034 kit.
This kit is non-interchangeable with the 1980 Scout Dana 300 version, if you require a kit for the 1980 Scout Dana 300 please use kit P/N 50-3034.
Bill Of Materials
