Originally Posted by jcc
One other item I neglected to inquire about this solution when I first saw it, "does Willwood suggest they be used singly or as a pair?", and then the next question, what rear differential is complementary if used singly .


It has to be a pair. You will not get enough holding torque out of one.


'70 Duster 470hp 340/T56 Magnum/8 3/4 3.23 Sure-Grip