GM Metric Disc Brake Rotor & Bearing Kit, 5 on 4-3/4
GM Metric Front Brake Kit: Complete front brake rotor and bearing kit based on 1979–1981 GM Metric design for stock car and chassis applications, Dirt Track Ready Rotor: 10.5-inch vented rotor forged from natural cast iron to provide consistent stopping power and improved cooling during racing, 5 on 4-3/4 Bolt Pattern: Five-lug bolt pattern with installed 5/8"-11 wheel studs to match common GM wheel fitments, Complete Bearing Package: Includes vented rotor, tapered inner bearing, chassis outer bearing, and replacement inner seal for a full front hub service, Race Application Specific: IMCA approved for dirt track use only; not intended for asphalt racing applications.
Specifications
| Brand | Speedway Motors |
| Placement On Vehicle | Front |
| Rotor Style | Plain |
| Type | Brake Rotors |
| Rotor Outside Diameter | 10.50 Inch |
| Manufacturer Part Number | 91605037 |
| California Prop 65 Warning | False |
GM Metric Front Brake Kit: Complete front brake rotor and bearing kit based on 1979–1981 GM Metric design for stock car and chassis applications, Dirt Track Ready Rotor: 10.5-inch vented rotor forged from natural cast iron to provide consistent stopping power and improved cooling during racing, 5 on 4-3/4 Bolt Pattern: Five-lug bolt pattern with installed 5/8″-11 wheel studs to match common GM wheel fitments, Complete Bearing Package: Includes vented rotor, tapered inner bearing, chassis outer bearing, and replacement inner seal for a full front hub service, Race Application Specific: IMCA approved for dirt track use only; not intended for asphalt racing applications.