Replacement 11-1/4 Inch Rear Brake Rotor
Product details
| Management number | 230497400 | Release Date | 2026/06/18 | List Price | US$31.20 | Model Number | 230497400 | ||
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| Category | |||||||||
These 11-1/4" one-piece, vented iron disc brake rotors are for rear disc brake applications. Features dual bolt patterns for 5 x 4.5" (Ford/Mopar) and 5 x 4.75" (Chevy/GM) wheels. Center Hole: 2.78" Backspace: 2.30" Maximum Axle Flange Diameter: 6-1/4" Thickness: 1" Thickness @ Center of Rotor: 0.236"
- • Premium Vented Rotor Design: High-quality cast iron construction with vented cooling passages helps reduce brake fade and promotes longer rotor life.
- • Dual Bolt Pattern Compatibility: Features both 5 on 4.5" and 5 on 4.75" patterns, making it ideal for Ford, Mopar, Chevy, and GM rear axle applications.
- • Fits Multiple Axle Flange Sizes: Designed for axle flange diameters up to 6-1/4", providing broad compatibility for custom and restoration builds.
- • Machinable Center Hole: Rotor includes a 2.78" center bore that can be machined larger if required for specific axle or hub configurations.
- • Ideal Rear Brake Upgrade: The 2.30" backspace works with many bolt-on rear brake brackets, making it a versatile replacement rotor for numerous setups.
| Manufacturer part number | 91031039 |
|---|---|
| Vehicle make | Ford, Chevrolet |
| Vehicle fitment type | Universal |
| Brand | Speedway Motors |
| Material | iron |
| Automotive parts division | Direct Replacement |
| Vehicle type | Car |
| Has written warranty | No |
| Color | Gray |
| Weight | 15 lb |
| Pieces | 1660 |
| Compatible cars | Ford/Mopar, Chevy/GM |
| Model | Speedway Motors |
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Replacement Brake Rotors
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