BIG TWIN:  4 SPEED TRANSMISSION MAINSHAFTS & COUNTERSHAFTS
TRANSMISSION MAINSHAFTS

TEC # Andrews Years   Replaces
84464 208500 1937-1964 early 35040-50
84465 208650 1965-1969 mid 35039-65
84470 208700 1970-1985 chain late 35039-70A
84471 208800 Late 1984-'86 belt drive late 35039-85
Replacement mainshafts for all versions of big twin boxes. Made from aircraft alloy steel. Heat treated and finish ground to ensure maximum durability.
 

TRANSMISSION COUNTERSHAFTS

Picture to come

TEC # Andrews Years Replaces
84465 207650 1941-early '76 35614-65
84470 207770 1976-79 35614-77
84471 207800 1980-85 35614-80
Three types of countershafts fit transmissions thru 1985. They are not interchangeable, so make sure before you order.
 
EVOLUTION 1340:   5 SPEED MAINSHAFTS & COUNTERSHAFTS
TEC # Andrews # Description Years Replaces H/D
84510 296800 chain drive mainshaft, 1981-1984 #35042-79
84512 296850 belt drive mainshaft 1985-1989 #35042-85
84515 296900 belt drive mainshaft 1990 only #35042-90
84516 296910 belt drive mainshaft, 1991 - up #35042-91
84514 296700 countershaft 1984 - up #35632-79