Need Correct Moog Part Numbers

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RichardJ916

RichardJ916

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I am need of some new Upper - Lower Ball Joints....
1972 Plymouth Duster w/ Tubular Upper Control Arms...
Disk Brakes Large Bolt Pattern....

I have read the bigblockdart web site but don't what to get the wrongs one's I would like to get it right the first time.

I have read that if you have Tubular Upper Control Arms you need the larger ball joint...
So what's the Moog Number to both upper and lower ball joints...


I have Disk Brakes for a 1973 A Body So what Moog Number for both are in need?

Thanks for all you help.
 
Last edited:
There are 3 sizes K704 is the small one, K772 is the mid size 73-76 A body disk brake, E body, B body and K778 is the big one C body, vans used them
 
OK that one is figured out... I need Moog 772
moog-upper-ball-joint-772.jpg
 
OK Now for the lower one....
Moogs book say :
L R 73-76A
K781 K783

L R 65-72 Disk
K7021 K7023

I am leading to believe that it will be the K781 - K783 seeing that the car was switched over to the larger Bolt pattern with Disk Brakes.

Please let me know what you think.
 
Well you should have ask that before I put my book away!
 
Moog book says lower ball joint k-7021, k-7023 for 71 - 72 disc brakes, k-781, k-783 for 73 - 76 disc brakes
 
Which one do you use if the Duster has been upgraded to disk brakes from a 73 Duster with disk brakes, I also know it has the larger bolt pattern. You do still use 72 or 73 parts
 
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