Speedway Front Disc Brake Kit, Drilled/Slotted, Fits 1955-57 Chevy Car
Direct Bolt-On Upgrade: Installs easily on original 1955–57 Chevy car spindles with no machining or modifications required, Enhanced Braking Power: 11" vented drilled and slotted rotors help improve heat dissipation and braking performance over stock drum setups, Complete Front Kit: Includes rotors, single-piston GM calipers, semi-metallic brake pads, bearings, seals, hoses, brackets, hardware, and instructions, OEM-Compatible Fitment: Uses GM 5 on 4.75" bolt pattern and 1969–72 GM calipers with 7/16"-20 inlets for easy service and parts availability, Fitment Considerations: Increases front track width by 1-3/4" total and may not clear some 14" wheels; designed for long-term durability.
Specifications
| Brand | Speedway Motors |
| Placement On Vehicle | Front |
| Rotor Style | Drilled & Slotted |
| Material | Cast Iron |
| Type | Disc Brake Kits |
| Rotor Outside Diameter | 11 Inch |
| Manufacturer Part Number | 91031949D |
| Finish | Natural |
| California Prop 65 Warning | False |
Direct Bolt-On Upgrade: Installs easily on original 1955–57 Chevy car spindles with no machining or modifications required, Enhanced Braking Power: 11″ vented drilled and slotted rotors help improve heat dissipation and braking performance over stock drum setups, Complete Front Kit: Includes rotors, single-piston GM calipers, semi-metallic brake pads, bearings, seals, hoses, brackets, hardware, and instructions, OEM-Compatible Fitment: Uses GM 5 on 4.75″ bolt pattern and 1969–72 GM calipers with 7/16″-20 inlets for easy service and parts availability, Fitment Considerations: Increases front track width by 1-3/4″ total and may not clear some 14″ wheels; designed for long-term durability.