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Brake Drum to Hub Lug Bolt Stud (Right Hand Thread)
Fits 41-71 Jeep & Willys

Part # A474

New Brake Drum to Hub Bolt in Right Hand Thread (5 required per wheel)

Proper bolt to allow your hub to be pressed on to you drum as well as attach your steel rim. Standard thread for early style vehicles. In 1/2"-20 thread count.

41-45 MB
41-45 GPW
46-49 CJ-2A
49-53 CJ-3A
53-64 CJ-3B
55-71 CJ-5
50-52 M38
52-66 M38A1
46-64 Truck
46-64 Station Wagon
48-51 Jeepster

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if you removed the hub to turn the front drum on a 1971 cj5 with ten inch self adjusting do you need to remove studs from drum and replace original studs with new or can you reassemble hub back on over original stud using the wheel nuts holding hub and drum together

Willys Jeep Parts Tech:
You shouldn't HAVE to replace the studs. Only time you should need to replace them is if you ever remove them from the hub/drum or they are damaged.

What is the length of these studs?

Willys Jeep Parts Tech:
Overall length: 1.362 in

Would you recommend using these studs with being pressed only through the wheel hub? Im looking at doing a disc conversion on all 4 corners, and dumping the drums all together. I wouldnt think the extra length without having the drum would be a huge deal!

Willys Jeep Parts Tech:
Our disc kits dont use the original studs. If you can email alittle more vehicle informatoin and what all you are trying to do. Happy to help. Thanks!

With new brake drums I bought new lug bolts, are their different lug bolts diameter . I was trying to press in the new lug bolts in the drums and hub on my 42 Willy’s mb and the drum broke. Is their a smaller size lug bolt? Now need another drum don’t want to brake another.

Willys Jeep Parts Tech:
These are the original size. You have to use a hydraulic press and give it plenty of backing. Please email or call and ask for MIke M. Happy to help. Thanks!


Willys Jeep Parts Tech:
Typically i believe they go on the rear passenger side but will check the book.

What is the knurl diameter of A474 stud?

Willys Jeep Parts Tech:
Approx .625

What is the overall length - 1-1/2”?

Willys Jeep Parts Tech:
1.362 in

If I'm doing the 11" upgrade on the rear where the hub is now behind the drum, are these studs still what I need?

Willys Jeep Parts Tech:
Typically, yes they would be the same if the 11" brakes are off a Willys Truck or Station Wagon.

does right hand threads mean they tighten to the right or loosen to the right?

Willys Jeep Parts Tech:
RH thread is a righty tighty lefty loosy stud/nut. Basically standard thread.

What is the distance between the underside of the head and the end of the knurled part?

Willys Jeep Parts Tech:
7/8" for knurled part only

I am placing larger Tires with thicker Wheels on my 57 Willys Station Wagon. I need a Lug Stud 1/2 longer Threads than the A474 shown here. Does Kaiser have that or can you direct me to where I can find that?

Willys Jeep Parts Tech:
If you need longer studs then your local NAPA should have them. If not please email and i can try to help.

How is the lug bolt installed for use on the spare tire holder? What size hole needs to be drilled and how is it put in to hold?

Willys Jeep Parts Tech:
Your spare tire carrier should have them already installed on your Willys. Please call us toll free. We can try to help

Using drum 808770 on hub 649938, is A474 the right stud ? Thanks, Bill

Willys Jeep Parts Tech:
Yes, that would be the right part.

Restoring a 48 CJ2A and getting rid of the directional rims. Using old hubs and new drums. Is this the correct studs to use?

Willys Tech:
Yes these are the original bolt to use.

is there anything keeping me from removing the LH bolts from the passanger hubs and replacing them with RH for uniformity... not looking for originality restore winner just a safe dive, thanks

Willys Tech:
Yes this is not problem to change out.
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