Gear Housing Size

Discussion in '1973-1987' started by 86K20, Apr 20, 2006.

  1. 86K20

    86K20 Member

    Joined:
    Apr 13, 2006
    Messages:
    4
    I'm looking to get new gears in my k20. I'm not sure how to measure the size of the houseing. On the site im looking there are many different sizes such as 7.75" 8.2" 8.25" 9.25" and so on. How do i measure it so i get the correct sized gears? Thanks in advance
     
  2. nerfherder78

    nerfherder78 Member

    Joined:
    Aug 15, 2003
    Messages:
    325
    Location:
    Fairfield, CA
    If your axles are stock, it will have a 10 bolt front (8.5" ring gear)
    For the rear it will be either a 14 bolt semifloater (9.5" ring gear) or a 14 bolt full floater (10.5" ring gear). A full floater will have hubs sticking out through the rims.

    http://coloradok5.com/axleguide.shtml
     
  3. 86K20

    86K20 Member

    Joined:
    Apr 13, 2006
    Messages:
    4
    It has a 10 bolt front and a 10 bolt rear and the rear doesn't have hubs sticking out through the rims. what would it be with that??
     
  4. nerfherder78

    nerfherder78 Member

    Joined:
    Aug 15, 2003
    Messages:
    325
    Location:
    Fairfield, CA
    Same as the front 10 bolt.
     

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