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Trans-Dapt 3612 Billet Wheel Adapters, 5 on 4-3/4 to 5 on 5
Trans-Dapt 3612 Billet Wheel Adapters, 5 on 4-3/4 to 5 on 5

Trans-Dapt 3612 Billet Wheel Adapters, 5 on 4-3/4 to 5 on 5

5 on 5" Bolt Pattern, 5 on 4.75" Bolt Hole Pattern, 12mm x 1.5 Thread Pitch, Aluminum

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Trans-Dapt 3612 Billet Wheel Adapters, 5 on 4-3/4 to 5 on 5
Trans-Dapt 3612 Billet Wheel Adapters, 5 on 4-3/4 to 5 on 5
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GTIN Code:
Bolt Pattern:
5 on 5"
Bolt Hole Pattern:
5 on 4.75"
Thread Pitch:
12mm x 1.5
Material Type:
Sold in Quantity:
MFG. Part #:


These are garage sale priced because they are scratched.

No Warranty, No Returns on Garage Sale Items    


If you swap out the front brakes or rear axle on your car, the bolt patterns may not match. These billet 6061-T6 aircraft aluminum adapters will allow you to switch bolt patterns.

Spacers are equipped with 12mm-1.5 metric studs and 12mm-1.5 plain tapered open end wheel nuts. You may need to purchase new 12mm-1.5 nuts to fit your wheels from a local wheel shop.

  • Adapts 5 on 4-3/4" hubs to 5 on 5" wheels
  • Sold in pairs

720-3612 Instructions (PDF)

Item Details

5 on 4-3/4" Hub to 5 on 5" Wheel
3.07" center hole



  • 7" O.D. 
  • 1-1/4" thick
  • 2.91" center hole
Some parts are not legal for use in California or other states with similar laws/regulations

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  • Purchasing a new set of race wheels? We can show you how to measure the offset to ensure your new wheels fit right, along with torque specs, design, and basics about racing wheels.
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  • Tim shows some of our Rocket wheels and knockoff hub covers.
  • Speedway Motors employee Tim M. explains his decision to run Ford wire wheels on his hot rod project, and illustrates some of the various differences of the wire wheels you may come across.
  • Use our Tire Size Guide to track down the right tire for your needs. Radials, Polys, Bias-Ply's, Cheater Slicks and Dragsters, they're all here!
  • Many sanctioning bodies now require mud covers to be bolted to the wheel and the mounting tabs to be integral or welded to the wheel. This article explains how to properly bolt on mud covers and the tools required to do so.
  • Speedway Motors employee Jess M. walks us through adding a little salt flat flair to her 1933 Ford coupe, by using moon discs and quarter turn fasteners.

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