4-speed tail shaft

yes but you need a different mainshaft and tailshaft housing. The main case is standard mopar. The gears and input shaft are usable as a set. put it in 1st gear and check to see what ratio is. alot of trunion 4 speeds have a 3.09 1st gear. trunion mainshaft and tail shaft are boat anchors.

Two parts required for 30 spline (727) standard slip yoke conversion.
1. http://www.brewersperformance.com/proddetail.asp?prod=MS-909R
2. http://www.brewersperformance.com/proddetail.asp?prod=EH126
cost for 30 spline conversion 400.00

all other parts in a trunion 4 speed are standard mopar. Here is cheap way to pull it off using 26 spline (904) yoke

1. http://www.brewersperformance.com/proddetail.asp?prod=MS-920
2. http://www.brewersperformance.com/proddetail.asp?prod=EH706
cost for 26 spline conversion parts less than 200.00