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Thread: rotor bolt circle sizing????

  1. #1

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    rotor bolt circle sizing????

    Ok guys stupid question but i am having a hard time figuring this out. I have looked on rockauto to order some front rotors for my 88 dodge ram 50 2wd. All the rotors they say are a 6 x 104mm bolt cirle which is 6 x 4.???in. BUT when i measure my lugs from center bolt across i am coming up with 6 x 5.5in??? Any ideas

  2. #2


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    The bolt circle for the rotors may be referring to the bolts that holt the rotor to the hub which are smaller diameter.

  3. #3



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    the rotors bolt on to the hubs from the back - they are the bolts you see inside the wheel studs when you take off the wheels
    Pennyman1
    The best Dodge that Dodge never made
    Living the D-50 lifestyle since 1980

  4. #4

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    I Got it thanks guys i feel really stupid now!!

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    You'd only be stupid if you didn't ask. Nothing stupid about learning...

  6. #6

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    True true thanks guys

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