Factory front disc identification

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-Sledgehammer-

Mopar Performance
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these are currently on my dart! may sell them.. dunno yet but can anyone on here identify exactly what they are for? thx

discs004.jpg
 
You have one of two kinds.

If your car is big bolt pattern you have the later single piston design.

If it is small bolt pattern you have the early KH 4 piston design.


Step back with the camera and take a picture of the entire set up.
 
I am going to take stuff apart this week to get a better look at things... Some are telling me 71 and some are telling me 73 between a few sites! So with that said I need to confirm everything before listing a price in for sale section !!!

These were already on
My car also so i just wanna make sure of everything!
 
I have a third type of caliper, a Bendix 4-piston from a 71 GTX (?). They work well, but it's hard to find rebuild kits for them, and they cost a lot.
 
I am going to take stuff apart this week to get a better look at things... Some are telling me 71 and some are telling me 73 between a few sites! So with that said I need to confirm everything before listing a price in for sale section !!!

These were already on
My car also so i just wanna make sure of everything!
The '72 and earlier have two piece rotors (the hub is removeable) whereas the '73-up style like yours are one piece. The inner wheel bearing is a different diameter so you can't swap rotors between the two without doing some sort of conversion. I understand that they make a special inner bearing that allows you to use the later rotors on the earlier spindles. The '70-2 disc brakes also used the pin/grommet caliper mounting instead of the sliding caliper like yours. I can't tell which spindles you have from your photos, however, so no telling what they were originally on without some forging numbers.
 
Ribbed backing plate is a 73+ a body if those are A body spindles.

72 and down A body disc set ups are 4 piston calipers.

There should be some numbers cast in the spindles. That would answer your question about what they are. Could be FMJ body as well.

One thing... Definitely NOT stock A body stuff for year car... PERIOD!
 
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