My buddie's '71 Challenger has a mid-'71 SPD and it also has the slotted bumpers which are original to the car. However, it still had the 102 hook jack assembly.


'70 Super Bee 440 6 pack 4-spd 4.10 Dana N96 EB5
‘70 Super Bee 440 6 pack 4-spd 3.54 Dana FC7
‘70 ‘Cuda 440+6bbl 4-spd 3.54 Dana N96 EB5 V1W