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  1. #1

    Default 99 GMC Sierra rear diff

    Is the rear end on my 99 GMC Sierra 4WD 8.5'' or 8.6''? I gotta order new spider gears and cant find a definite answer to what i have.

  2. #2

    Default

    Quote Originally Posted by DylanL View Post
    Is the rear end on my 99 GMC Sierra 4WD 8.5'' or 8.6''? I gotta order new spider gears and cant find a definite answer to what i have.

    Your 1999" GMC Sierra 4WD....has 8.625 Rear Axle.
    Last edited by 99'HEARTBEAT; 09-29-2013 at 07:59 PM. Reason: Corrected Spelling

    MIKE


    99"SILVERADO
    5.3 l 3.73 l G80
    BLACK BEAR CUSTOM TUNE
    SNUGTOP l COLORMATCH l KATZKIN










  3. #3

    Default

    Thanks man. Ill go order my new gears.

  4. #4

    Default

    Quote Originally Posted by DylanL View Post
    Thanks man. Ill go order my new gears.
    Your Welcome....


    MIKE


    99"SILVERADO
    5.3 l 3.73 l G80
    BLACK BEAR CUSTOM TUNE
    SNUGTOP l COLORMATCH l KATZKIN










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