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#91664085
5568BP Replacement Rotors for Ford 9 Inch Disc Brake Kit
- Replacement vented cast iron rotor for Speedways 9 Inch Ford truck rear end disc brake kit 916-64084
- 11.5" rotor drilled out with a 5 on 5.5" bolt pattern for use with 1/2" wheel studs
- Center hole of this rotor measures 4.180" inside diameter
$90.99
/each
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Product Summary
Universal Fit, Rear Position, Solid Rotor Type
- Replacement vented cast iron rotor for Speedways 9 Inch Ford truck rear end disc brake kit 916-64084
- 11.5" rotor drilled out with a 5 on 5.5" bolt pattern for use with 1/2" wheel studs
- Center hole of this rotor measures 4.180" inside diameter
Key Specs
| MFG. Part # | 91664085 |
| Brand | Speedway Motors |
| Rotor Style | Plain Face |
| Bolt Pattern | 5 on 5.5" |
Need To Know
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Speedway Motors 91664085 Details
Replacement rotors for 91664084
- Drilled 5x5.5" for 1/2" Studs
- Sold individually
Speedway Motors 91664085 Specifications
Speedway Motors 91664085 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91664085 |
| Brand | Speedway Motors |
| Rotor Style | Plain Face |
| Bolt Pattern | 5 on 5.5" |
| GENERAL | |
| Position | Rear |
| Rotor Type | Solid |
| Sold in Quantity | Each |
Ratings & Reviews
5
3 Reviews
Customers mainly appreciate the quality and cost-effectiveness of this Ford 9 rotor. They found it practical for custom rear disk conversion, and paired it successfully with both GM metric and Chevy truck calipers. This rotor improved the performance of vehicles such as the Jeep and Dana 44, without overpowering the front axle. Highly recommended.
Ratings & Reviews
5
3 Reviews
Customers mainly appreciate the quality and cost-effectiveness of this Ford 9 rotor. They found it practical for custom rear disk conversion, and paired it successfully with both GM metric and Chevy truck calipers. This rotor improved the performance of vehicles such as the Jeep and Dana 44, without overpowering the front axle. Highly recommended.
5
3 reviews
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Great product! Def buy again
5.0
6 months ago
J
Arkansas
Verified
I needed a replacement rotor for a disk brake setup in my 68 f100. Great quality and price.
Would Recommend
It's a rare 5 on 5.5 Ford 9 rotor
5.0
2 years ago
Dan B.
Omaha,NE
Verified
I used this instead of a dodge ram rotor Chevy truck caliper in the back. It was over powering front of jeep with hpdana30 axle. I run a ford9 with these rotors and Chevy metric car calipers
Would Recommend
Yes
5.0
6 years ago
John
Pottstown pa.
Verified
Made my own rear disk conversion on a Dana 44 Jeep rear with these rotors and some gm metric calipers. Spent just a little over $200 compared to $600.
Would Recommend

Showing 3 of 3 reviews
Questions & Answers
Questions & Answers
3 Questions • 3 Answers
What is the inside diameter? Will it fit over my axle flange which is about 6.38 diameter. Do you sell a register adapter because the register diameter of my axle flange is 3.06.
by John
• 5 years ago
1 answer
View Answer
What is the center bore of the rotor And it's it a drum in hat rotor or for parking brake it looks like it just want to confirm. I know you can't guarantee that it will work but basically what I'm trying to do is find A rotor That will work with a 97 Ford explored disk brake hardware on f150 8.8 that has a larger Hub flange And this May be a perfect match Explore rotor spec 11.220 Brake Rotor Thickness, Discard (IN) 0.433 Brake Rotor Thickness, Nominal (IN) 0.475 Brake Rotor Type Drum-in-Hat Center Hole Diameter, Maximum (IN) 2.803 Center Hole Diameter, Minimum (IN) 2.800 Performance Level Standard Performance Surface Finish Plain Wheel Bolt Circle Diameter (IN) 4.500 Wheel Bolt Hole Diameter, Maximum (IN) 0.588 Wheel Bolt Hole Diameter, Minimum (IN) 0.578 Wheel Bolt Holes, Primary 5
by Maxwell
• 7 years ago
1 answer
View Answer
What is the rotor thickness and hat height?
by Andy
• 7 years ago
1 answer
View Answer
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