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Old 01-16-2015, 08:18 PM   #4
Keith Seymore
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Join Date: May 2009
Location: Motor City
Posts: 9,290
Re: Front brake rotor size???

Quote:
Originally Posted by ellisjay2 View Post
There are three different size rotors, I was just wanting to know what size mine were on the 86 2500 longbed, .
I only see one rotor size across all 4wd 20 series (K20903 & JB6/JD6/JB7/JD7; 6600 or 8600 lb GVW) and it's a 12.5x1.28".

Similarly, I only see one rotor used across all 2wd 20 series (C20903 & JB6/JD6/JB7/JD7; 7200 or 8600 lb GVW) and it is also a 12.5x1.28".

K
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