Rear, attaching hole dia. 25/64", 137", 155", 161", 168", & 185" WB, BEFORE 3/26/97
Rear, attaching hole dia. 25/64", 4x2 133"W/B, BEFORE 3/26/97
Rear, attaching hole dia. 25/64", 7.3L 4x4 M/T 133" W/B, BEFORE 3/26/97
Rear, attaching hole dia. 25/64", gas 4x4 except E4OD 133" W/B, BEFORE 3/26/97