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Old Apr 4, 2017 | 06:48 AM
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Originally Posted by kp877
These are performance machine. They are all stamped with the logo. I don't have any polishing compound but I tried mothers metal polish and that's as clean as they'd get. I can pick some compound and a new wheel up if I need to

Wondering now how I know if these are even the right piston size. I can't even find a PM replacement piston for stock calipers. Anyone got a front and rear piston lying around for 84-99?
I may have the front.
I'll check when it gets light out.
 
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Old Apr 4, 2017 | 07:00 AM
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Thanks, I will search a little more but while they are apart I think I should make sure. I found a bunch of pm pistons on jp but none were 1-11/16 or close or I'm missing it.
 
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Old Apr 4, 2017 | 07:41 AM
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If that one tiny pit is all I had on a piston, I'd run with it.
I've run worse in a have to situation.

No a chrome finish is not needed at all.
 
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Old Apr 4, 2017 | 07:43 AM
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Originally Posted by WP50
If that one tiny pit is all I had on a piston, I'd run with it.
I've run worse in a have to situation.

No a chrome finish is not needed at all.
I agree, if you cant easily find a replacement, run what you got. YD
 
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Old Apr 4, 2017 | 08:14 AM
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Just went and looked.
I have 2 front left calipers and 1 right front caliper.
All are complete with pistons and seals.

Let me know if you need something.
 
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Old Apr 4, 2017 | 08:22 AM
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Can you just measure the diameter of the piston? Approx is good don't think you need to pull it apart. Mine is 1-11/16" just want to make sure these pistons are correct since I can't locate a single PM piston for OEM calipers.
 
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Old Apr 4, 2017 | 08:26 AM
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Originally Posted by kp877
Can you just measure the diameter of the piston? Approx is good don't think you need to pull it apart. Mine is 1-11/16" just want to make sure these pistons are correct since I can't locate a single PM piston for OEM calipers.
The calipers I have are OEM.
I'll send you the whole caliper for cost of shipping if you need it.
 
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Old Apr 4, 2017 | 08:44 AM
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Originally Posted by texashillcountry
The calipers I have are OEM.
I'll send you the whole caliper for cost of shipping if you need it.
I don't need it. Just need to make sure the pistons I have in my front OEM calipers are the correct size. I can't locate and specs for OEM piston diameter.
 
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Old Apr 4, 2017 | 08:49 AM
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Originally Posted by kp877
I don't need it. Just need to make sure the pistons I have in my front OEM calipers are the correct size. I can't locate and specs for OEM piston diameter.
When I get back outside I'll take apart the caliper to get the piston out and measure the OD.

Give me a while as I threw my back out a week ago and still dealing with it.
 
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Old Apr 4, 2017 | 08:55 AM
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Don't worry about it then, no need to put yourself in pain. I'm sure they are fine just double checking before I put them back together.
 
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