Product Summary

Front Position, Round Rotor Shape, Vented Rotor Type

  • This Mopar style rotor is a replacement rotor for kits 91031914 and 91031940
  • Premium cast iron vented rotor construction dissipates heat to reduce or eliminate brake fade
  • New bearing races come installed in this rotor with bearing and seal kits available separately to complete the installation
  • Includes 1/2" fine thread wheel studs installed
  • Bearing and seal kit to finish installation is sold separately
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Key Specs

Rotor Diameter11 Inch
Rotor StylePlain Face
Rotor Material TypeCast Iron
Rotor Thickness1"
Bolt Pattern5 on 4.5"
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Need To Know

Quick and Easy Returns

Return Policy

Speedway Motors 91031065 Details

This rotor was OE on these models:

  • Chrysler
    • Aspen/Cordoba 1976-80
    • Coronet 1973-75
    • 5th Avenue 1983-89
    • LeBaron 1977-81
    • Imperial 1981-83
    • New Yorker 1982
    • Town & Country 1978-80
  • Dodge
    • Aspen 1976-80
    • Challenger/Charger 1973-74
    • Dart 1973-75
    • Diplomat 1977-89
    • Mirada 1980-83
  • Plymouth
    • Caravelle 1984-88
    • Volare 1976-80
    • Barracuda/Roadrunner/Satellite 1973-74
    • Duster 1973-75
    • Gran Fury 1983-89
    • Fury 1975
    • Scamp/Valiant 1973-76

Speedway Motors 91031065 Specifications

KEY SPECS
MFG. Part #91031065
BrandSpeedway Motors
Rotor Diameter11 Inch
Rotor StylePlain Face
Rotor Material TypeCast Iron
Rotor Thickness1"
Bolt Pattern5 on 4.5"
GENERAL
PositionFront
Rotor ShapeRound
Rotor TypeVented
Rotor FinishPlain
Inside Diameter7.00"
Flange Diameter6.22"
Stud Length1"
Stud Diameter0.5"
Thread Pitch1/2"-20
Sold in QuantityEach
NotesWheel flange is 2" from outside of rotor.

Ratings & Reviews

5

3 Reviews

Overall Assessment

Customers appreciate the clear instructions provided with our brake rotor, highlighting its excellent quality. Despite size compatibility issues outlined by one user, the general consensus indicates it as a significant disk brake upgrade, easy to assemble and visually appealing. Our product is a recommended choice for enhancing vehicle performance and getting cars road-ready faster.

5

3 reviews

5

3

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Filter by Ratings

brake rotor

5.0

6 years ago

garys 40 ford

north fork ca

Verified

very good instructions

Would Recommend

yes

5.0

8 years ago

obb

sahuarita

Verified

i wish it fit my 5 on 4 spindle but it's to big... but very nice

Would Recommend

great disk brake upgrade

5.0

11 years ago

Gr8rideflag

Flagstaff, AZ, USA

Verified

This is a great disk brake upgrade. It went together relatively easy and looks great. My car's not on the road yet, but it's was a big step getting it there.

Would Recommend

Showing 3 of 3 reviews

Questions & Answers

5 Questions • 6 Answers

what grease seal does this 11" Mopar to Ford rotor use?

by Vince

• 7 years ago

1 answer

What is the hubs outer diameter? Thanks

by ALAN

• 7 years ago

2 answers

WHAT GREASE SEALS FIT THIS ROTOR AND DO YOU HAVE THEM IN STOCK

by sully

• 10 years ago

1 answer

the description says it is for a Mopar-Ford but no ford models are listed

by MIKE

• 10 years ago

1 answer

What are the timken bearings for this application

by hyspddrt

• 13 years ago

1 answer

5 of 5 questions shown

Fitment

                                                Customer Impersonation Script