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Mustang II Disc Brake Rotor, 5 on 4-1/2 Inch
Mustang II Disc Brake Rotor, 5 on 4-1/2 Inch

5 x 4.5 MUST ROTOR 1/2 STUD

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Mustang II Disc Brake Rotor, 5 on 4-1/2 Inch
5 x 4.5 MUST ROTOR 1/2 STUD
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Part # UP92717
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Important Messages:

  • This product is discontinued.
  • This item ships directly from the manufacturer. It may take an additional business days for Speedway Motors to ship this item.
  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
  • This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
  • This item UP92717 is made to order. It will be shipped from our warehouse when it is produced.



These are garage sale priced because they were installed and returned.

No Warranty, No Returns on Garage Sale Items    


Vented stock 9-1/4" diameter brake rotors for 1974-1980 Mustang II, Pinto, or Bobcat spindles (or Speedway brake kits using '49-'54 Chevy spindles). Brake rotors are new, not plugged or re-drilled. Has a 5 on 4-1/2" bolt pattern with corresponding 1/2" diameter fine thread wheel studs.

  • Outside Diameter of rotor disc - 9.256"
  • Thickness of vented disc - .884"
  • I.D. of back side of rotor - 6.256"
  • Rear rotor face to bearing hub - .290"
  • Outer hub diameter where wheel will mount - 5.834"
  • Outer hub height - 1.450"
  • Bearing snout is 1.60" tall, 2.55" diameter at bottom and 2.384" at outer

Be sure to install new bearings and seals (910-31000) with your new disc brake rotors.


Fits Mustang II/Pinto/Bobcat spindles. Use 912TLM12710 (outer cup) and 912TL68110 (inner cup), Hub flange is 5.740". OD of snout for wheel clearance is 2.50"

Some parts are not legal for use in California or other states with similar laws/regulations

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