Lightweight Hybrid Rotor for GM Metric, .810 Thick
Lightweight Hybrid Rotor for GM Metric, .810 Thick
Speedway Motors

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#91031034

Lightweight Hybrid Rotor for GM Metric, .810 Thick

  • This lightweight hybrid rotor is for use with 1979 and up Metric spindles
  • 5/8"-11 coarse thread studs come installed in the 5 on 5" bolt pattern
  • Compatible with 3 piece spindles
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$88.99

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Product Summary

Round Rotor Shape, 10.50 Inch Rotor Diameter, Steel

  • This lightweight hybrid rotor is for use with 1979 and up Metric spindles
  • 5/8"-11 coarse thread studs come installed in the 5 on 5" bolt pattern
  • Compatible with 3 piece spindles
  • Premium cast iron vented rotor design is perfect for dirt circle track racing
  • Not for use on asphalt circle track cars due to the high load and stress of that application - we suggest billet hubs for asphalt racing
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Key Specs

MFG. Part #91031034
Rotor Diameter10.50 Inch
Rotor StylePlain Face
Rotor Material TypeSteel
Rotor Thickness0.81"
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Speedway Motors 91031034 Details

This lightweight hybrid rotor is designed to fit a GM metric spindle. This rotor has a 5 on 5 bolt pattern with holes (0.490" I/D) for 5 on 4-3/4.

  • Lightweight
  • Fits GM metric spindles
  •  5 on 5 bolt circle pattern
  • Holes for 5 on 4 3/4" (must be drilled to matched knurl size when utilizing 5/8" studs from 5 on 5" pattern)
  • 10.5" Diameter
  • .810 thick
  • 5/8"-11 UNC quick start studs
  • Sold each
  • Uses standard bearings and seals such as kit # 910-31048
  • Uses dust cap # 550-2486
  • Brake pad spacers # 910-41908 recommended

 

Speedway Motors 91031034 Specifications

KEY SPECS
MFG. Part #91031034
BrandSpeedway Motors
Rotor Diameter10.50 Inch
Rotor StylePlain Face
Rotor Material TypeSteel
Rotor Thickness0.81"
GENERAL
Rotor ShapeRound
Rotor TypeVented
Rotor FinishPlain
Stud Length2"
Stud Diameter0.625"
Thread Pitch5/8"-11
Weight16 lbs.
Sold in QuantityEach

Questions & Answers

5 Questions • 5 Answers

will it work on a s10 dirt track truck

by D,M,

• 2 years ago

1 answer

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What bearing kit for 1982-1988 metric spindle?

by Jeff

• 3 years ago

1 answer

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Is it possible to buy these already in the 5x4 3/4 ?

by Keegan Rodden

• 4 years ago

1 answer

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Will this work for asphalt tracks?

by Jeremiah

• 7 years ago

1 answer

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Will these work on my 1980 camaro for circle track use and if not do you offer one that will?

by mikeysfast15

• 10 years ago

1 answer

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