Product Summary

Front Position, 5 on 5" Bolt Pattern, Vented Rotor Type

  • Forged, heat treated steel, Precision OEM geometry,
  • Direct replacement for factory spindle, Approved for use in IMCA sanctioned events
  • Three piece design for quick, easy replacement, Replacement parts available separately
  • 12 1/2" rotors with 5 x 5" bolt circle pattern
  • Metric GM design

Comes as a Kit

Key Specs

Bolt Pattern5 on 5"
Rotor Diameter10.50 Inch
Rotor TypeVented
Caliper FinishNatural

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Speedway Motors 91031882 Details

Speedway Motors is proud to introduce our exclusive 3-piece 1979-Up GM Metric midsize spindle and rotor front end kit for even more value added savings! Our advanced engineering techniques allowed for the recreation of an OEM spec spindle in a newly forged, heat-treated steel design that is stronger than the original. The unique three-piece spindle construction provides for fast, convenient and affordable replacement of individual components in the event of a crash. These spindles IMCA/USMTS/USRA approved for use in competition.

Kit includes 2 spindles, 2 bolt-on steering arms, 2 metric caliper brackets, 2 AFCO rotors, 2 bearing/seal/lock nut kits, and necessary hardware. Assembly is required. ‘Metric’ GM calipers and slider bolts are sold separately and available as suggested below.

  • Forged, heat-treated steel
  • Precision OEM geometry
  • Direct replacement for factory spindle
  • Approved for use in IMCA/USMTS/USRA sanctioned events
  • Three-piece design for quick, easy replacement
  • Replacement parts available separately
  • 10-1/2" Speedway rotors with 5 x 5 and 5x4.75 bolt circle pattern
  • Metric GM design

IMCA Approved.

Speedway Motors 91031882 Specifications

MFG. Part #91031882
BrandSpeedway Motors
Bolt Pattern5 on 5"
Rotor Diameter10.50 Inch
Rotor TypeVented
Caliper FinishNatural
Parking Brake ProvisionNo
Front Rotor IncludedYes
Front Rotor Diameter10.50 Inch
Front Caliper IncludedNo
Rear Caliper IncludedNo
Front Spindles IncludedYes
Master Cylinder IncludedNo
Brake Booster IncludedNo
Rear Rotor IncludedNo