part number for an

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rbkt65

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11x2 1/2 smooth brake drum with 4 1/2 bolt circle. i googled a few but can not confirm what app is. tia. rick w.
 
I may be wrong but I don't think Mopar ever made a large pattern drum, they changed to disk brakes with the pattern change.
 
Think you are measuring outside diameter on the brake drum.

2 1/2" x 10" are a standard size.

Try that and search again. Look under B body cars.

20230111_144542.jpg


20230111_144303.jpg


Have a look. ^^^
 
i am building a dana for an a body. making it std width. going to use 11x 2 1/2 inch brakes. i would like to use the smooth drums instead of the finned drums if they make them. yes it will be 5x4 1/2 inch bolt pattern.
 
You'll probably have to find some good used drums. I believe all the replacement ones are finned. Finned ones are a better design anyway as they cool faster.
 
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