Double synchro 1st gear gvr-4

Double synchro 2nd gear

Double synchro 3rd gear close ratio

Double synchro 4th gear close ratio

1st/2nd steel shift rail w/ forged rail end

3rd/4th steel shift rail w/ forged rail end

Steel output shaft retaining sleeve

Cryo treat all in tranny that is treatable

Enlarged oil passages.

Speed Design 4 spider center differential w/ thrust bearing upgrade

EVO shift forks w/ replaceable Bronze wear pads

All gears & shafts stress relieved and modified for durability.

Additional machine work can be done to improve durability and shift great.

Rebuild Matching Transfer Case