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11 Inch GM Brake Rotor with Ford Bolt Pattern

Specs
Sold in Quantity:
Each
Bolt Pattern:
5 on 4.5"
Finish:
Natural
Rotor Diameter:
11.00
Rotor Construction:
Vented
Material Type:
Cast Iron
Rotor Location:
Front
Rotor Shape:
Round
Thread Pitch:
1/2"-20
MFG. Part #:
910-31067
Drilled:
No
Slotted:
No
Stud Length:
1.50
Stud Diameter:
0.50
Flange Diameter:
6.42
Rotor Thickness:
1.00
Weight:
21.65
Notes
Replacement studs are # 91005915 or Dorman # 610176. Use caliper adapter kit # 7024475 for disc brakes on '37-'48 Ford car spindle.
11 Inch GM Brake Rotor with Ford Bolt Pattern
11 Inch GM Brake Rotor with Ford Bolt Pattern
VIDEO
11 Inch GM Brake Rotor with Ford Bolt Pattern

Click image to enlarge

Watch the video below to learn how to correctly measure your wheel bolt pattern.

Details

Reviews (2)

Q & A (16)

What's in the Box

Info

1973-1977 GM rotor redrilled to the 5 x 4-1/2" Ford bolt pattern. To be used with our #7024475 GM metric caliper adapter kit for disc brakes on a 1937-1948 Ford car spindle. Very common rotor to use as a conversion rotor. Has 1/2" fine wheel studs.

NOT interchangable with rotor 91031066. If you have brackets and adapters designed for the Granada rotor, use part #91031066.

Customer Reviews

Rated 5 out of 5 by 2 reviewers.
RATING BREAKDOWN
2 reviews
5 Stars
2
4 Stars
0
3 Stars
0
2 Stars
0
1 Star
0
RECOMMEND THIS PRODUCT:

5150
Verified Purchaser

Awesome product

July 04, 2014
Building a 1950 Ford F1 with a Jim Meyer weld in front suspension and this worked perfect for converting my front spindle from a chevy bolt pattern to a ford pattern. These fit perfect on the chevelle spindles that Jim Meyer uses.
Yes, I recommend this product.
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Was this review helpful? 0 0

Flathead Jay
Verified Purchaser
Columbus , Ohio

Top Quality

July 11, 2011
This is the right rotor for your old car if you are upgrading to disc brakes, fits well, very nice finish.
Pros:
  • Easy To Install
  • Custom fit for hot rods
Yes, I recommend this product.
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Page 1 of 1

Product Q&A

16 questions : 16 answers

1 answers

Does this fit the 1976-1987 Chevette (and Fiero) spindles?

Skiridedrive
January 19, 2015

Does this fit the 1976-1987 Chevette (and Fiero) spindles?

Answers

January 20, 2015
EricM
No this will not fit a Chevette or Fiero. Sorry we do not offer a rotor for your application.
1 answers

are this the stock s10 rotors from a 1991?

guymjr
January 19, 2015

are this the stock s10 rotors from a 1991?

Answers

January 20, 2015
EricM
No this rotor will not fit a 1991 S10. Rotor part number 91031062 will fit on your S10 if it is a two wheel drive truck.
1 answers

centre locator diameter for wheel selection Can you supply the hub centre measurement where wheel rims locate to help with wheel selection, thanks Pete

Petee
January 05, 2015

centre locator diameter for wheel selection Can you supply the hub centre measurement where wheel rims locate to help with wheel selection, thanks Pete

Answers

January 06, 2015
EricM
The center hub is 2.78". In many cases wheels used on this rotor will be lug centric and will not fit tight around the center hub.
1 answers

What is the OEM disc rotor vehicle ? 91031066 shows the OEM vehicles list of what the disc rotors are OEM for ? Does 91031067 have a list of OEM vehicles ? It just says 73-77 GM.

kpbolt
myersville
October 20, 2014

What is the OEM disc rotor vehicle ? 91031066 shows the OEM vehicles list of what the disc rotors are OEM for ? Does 91031067 have a list of OEM vehicles ? It just says 73-77 GM.

Answers

October 20, 2014
EricM
This rotor was never used in an OEM application with 5 on 4 1/2" bolt pattern. Dimensionally this is the same as a 73 to 77 Chevelle rotor but we have it made special with a 5 on 4 1/2" bolt pattern to use in our brake kits. This gives us the ability to offer more wheel bolt pattern choices.
1 answers

interested in using these rotors but dont see a bearing & seal kit for them

Rickity
Minnesota, USA
April 10, 2014

interested in using these rotors but dont see a bearing & seal kit for them

Answers

April 11, 2014
EricM
Bearing and seal kit number 91031055 will be needed to fit this rotor to '37 to '48 Ford car spindles. Also you will need two bearing and seal adapters 91009301 to adapt the inner bearing size to the spindle.
1 answers

will this fit a 1968 f100 short bed with stock spindles and rims?

wannaB
February 14, 2014

will this fit a 1968 f100 short bed with stock spindles and rims?

Answers

February 14, 2014
EricM
We apologize but rotor number 91031067 will not be a direct fit to your 68 Ford pickup spindles. Speedway offers a kit for the earlier 48-56 but again we apologize it does not fut up to 1968.
1 answers

will this rotor fit a g body spindle...? will it fit a stock g body spindle using g body/s10 bearings...?

dunnit
northern ky
November 03, 2013

will this rotor fit a g body spindle...? will it fit a stock g body spindle using g body/s10 bearings...?

Answers

November 04, 2013
Jason
Rotor number 91031067 is a 73-77 GM rotor redrilled to a Ford pattern. It will not fit the later G body spindle starting in 78 until the redesigned A body and then 82-88 G body. It may be possible with the correct bearings and races to adapt but the offset of the rotor in relation to the caliper would be the main obstacle to over come.
1 answers

Are these redrilled or are they cast in studs,use gm bearings+seals? Do these use gm bearings and seals and also are they cast with the studs in or are they redrilled? And if redrilled how are the original stud holes filled? have g/m set up from u on car and want to change the bolt pattern from g/m to ford 4 1/2 pattern

Riderslim
lorain Ohio
March 18, 2013

Are these redrilled or are they cast in studs,use gm bearings+seals? Do these use gm bearings and seals and also are they cast with the studs in or are they redrilled? And if redrilled how are the original stud holes filled? have g/m set up from u on car and want to change the bolt pattern from g/m to ford 4 1/2 pattern

Answers

March 19, 2013
Jason
The GM rotor with Ford bolt pattern isnot a redrilled rotor, it is cast with 5 on 4-1/2" bolt pattern. Speedway offers bearing and seal kit part #91031055 that converts the GM rotor to 1937-48 Ford passenger car spindles and 1937-47 1/2 ton truck spindles
1 answers

have camro sub frame on 49 ford will this work on sub frame to go to ford wheel with out changing calpers and mounts

December 08, 2011

have camro sub frame on 49 ford will this work on sub frame to go to ford wheel with out changing calpers and mounts

Answers

December 09, 2011
John
This is a new rotor drilled to a Ford bolt pattern and equivalent to the 73-77+ GM applications. Often used as a conversion rotor and also offered in our brake kits used on the 37-48 Ford spindles. Original fit applications as follows: 73-77 BUICK CENTURY, REGAL 75-78 BUICK SKYLARK 70-78 CHEVY CAMARO 77-78 CHEVY FULL SIZE EX:SW & POL 73-77 CHEVY MALIBU, MONTE CARLO 75-78 CHEVY NOVA 73-77 OLDS CUTLASS 70-78 PONTIAC FIREBIRD 73-77 PONTIAC GRAND PRIX, LE MANS, GTO 75-78 PONTIAC VENTURA, PHOENIX
1 answers

We need Ford 5 on 4.5 bolt pattern on 75 Camero Rotors

Kevin
Santa Ana Ca
September 16, 2011

We need Ford 5 on 4.5 bolt pattern on 75 Camero Rotors

Answers

September 20, 2011
John
This is a new rotor drilled to a Ford bolt pattern and equivalent to the 73-77+ GM applications. Often used as a conversion rotor and also offered in our brake kits used on the 37-48 Ford spindles. Original fit applications as follows: 73-77 BUICK CENTURY, REGAL 75-78 BUICK SKYLARK 70-78 CHEVY CAMARO 77-78 CHEVY FULL SIZE EX:SW & POL 73-77 CHEVY MALIBU, MONTE CARLO 75-78 CHEVY NOVA 73-77 OLDS CUTLASS 70-78 PONTIAC FIREBIRD 73-77 PONTIAC GRAND PRIX, LE MANS, GTO 75-78 PONTIAC VENTURA, PHOENIX
Page 1 of 2

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