M code

From Galen Govier White book...........

#2946 729 LH / 1968-69 A body (B L) / 383-4 HP
#2863 900 RH / 1967-69 A body (B L) / 383-440 HP


#3462 017 LH / 1969 A body (B L) / 440 / A13 pkg