JB6 brakes

[Armoredadam]

I recently bought a 1994 k1500 with RPO code JB6. From what info I could find, that means it has 11.15" drums in the back. Most of what I am finding for parts are 11" drums. RockAuto even has 11 5/16" drums listed. Will 11" work or do I specifically need 11.15" drums?

 

[Caman96]

Do you have a 14 bolt 9.5 rear end?

 

[Armoredadam]

Do you have a 14 bolt 9.5 rear end?

I am not sure what rear end it has. I know it has the codes for heavy duty chassis(F44), heavy duty locking rear (G80) and 3.73 gears (GT4).

 

[Caman96]

Ok, you do have a 14 bolt 9.5. Just buy parts for that.

 

[Armoredadam]

Ok, you do have a 14 bolt 9.5. Just buy parts for that.

I just looked and it is a 14 bolt. Thanks.

 

[GoToGuy]

In a sticky above there is a link for the factory service service manuals. Get em there free. They will give you all the info at your fingertips. First chapter has all the RPO codes for your year decoded. The real deal info. Like this chart that lists the RPO brake sizes.

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