Mustang II Disc Brake Rotor and Bearing-Seal Kit, 5 on 4-3/4 Inch
74-78 Ford Mustang II, 74-80 Ford Pinto, 75-80 Mercury Bobcat, Front Position, Carbon Iron
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Years of hot rodding can take its toll on your favorite build. We know that eventually wear parts get worn down, take a beating, and need to be replaced. A simple solution to replace your worn out rotors and bearings for your Mustang II style front suspension system. Save time and money with Speedway Motors today!
- (1) Speedway Motors Mustang II Disc Brake Rotor, 5 on 4-3/4 Inch
- (1) Speedway Bearing-Seal Kit for Two Mustang II Brake Rotors
Speedway Motors Mustang II Disc Brake Rotor, 5 on 4-3/4 Inch
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 4-3/4" bolt pattern with corresponding 7/16" 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 end
- Position: Front
- Rotor Shape: Round
- Rotor Diameter: 9.25 Inch
- Rotor Type: Vented
- Rotor Style: Plain Face
- Rotor Material Type: Cast Iron
- Rotor Finish: Natural
- Rotor Thickness: 0.88"
- Bolt Pattern: 5 on 4.75"
- Flange Diameter: 5.74"
- Stud Length: 0.93"
- Stud Diameter: 0.44"
- Thread Pitch: 7/16"-20
Speedway Bearing-Seal Kit for Two Mustang II Brake Rotors
This bearing and seal kit includes two inner wheel bearings, two outer wheel bearings, and two inner grease seals. This kit is enough for two brake rotors and is intended to be used with a new rotor installation as this kit does not include the bearing races or cups.
Works with Mustang II/Pinto and Granada rotors using Mustang II/Pinto spindles only. It will not work for installing Mustang II/Pinto brake rotors on 1949-1954 Chevy spindles. Not for use with early Chevy spindle brake conversion kits.
- (2) inner wheel bearings
- (2) outer wheel bearings
- (2) inner grease seals
- -Large Bearing-
- Thickness: .656"
- Upper OD: 1.900"
- Lower OD: 2.150"
- Bearing ID: 1.375"
- -Small Bearing-
- Thickness: .651"
- Upper OD: 1.380"
- Lower OD: 1.570"
- Bearing ID: 0.864"
What's In The Kit
Mustang II Disc Brake Rotor, 5 on 4-3/4 InchPart # 91031002Qty x 1
Bearing-Seal Kit for Two Mustang II Brake RotorsPart # 91031000Qty x 1
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Q & A
We get a lot of questions about brake kits so Tim gives a brief overview of disc brake setups.
If you're changing your brake pads before you hit your first race, it's important to burnish or bed-in your new pads. Check out our quick tech-tip on bedding brakes and how to minimize pad wear and get the best performance out of your brakes.
After getting the control arms and drop spindles installed last time, we are dying to see what it looks like on the ground. Today we are working with the Speedway Deluxe Disc Brake Kit. Josh and Joe are on a roll!