Product Summary

Front Position, 10.50 Inch Rotor Diameter, Natural

  • This disc brake kit is for use with 1955 to 1957 Chevy 2" drop spindles part number 91034921
  • Premium 10-1/2" GM vented brake rotors for excellent stopping power and fade free performance
  • Includes 1978 to 1988 GM Metric calipers, brake pads, and slide bolts
  • New bearings, seals, and brake hoses are also provided in this kit
  • Instructions are provdied to simplify installation

Comes as a Kit

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Key Specs

MFG. Part #91031992
PositionFront
Wheel Bolt Pattern (in.)5x4.75 in.
Wheel Bolt Pattern (mm)5x120.65 mm
Rotor Diameter10.50 Inch
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Need To Know

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Speedway Motors 91031992 Details

Disc brake kit features 10-½” GM vented cast iron rotors and 1978-88 GM metric single piston calipers.

  • 10-1/2" rotors (O.E. on 1979-81 GM Midsize: Malibu, Monte Carlo, Cutlass, Regal, etc.) 
  • 5 x 4-3/4" bolt pattern
  • Rubber Brake Lines
  • 1978-88 GM Metric Calipers
  • 7/16"-20 inlet fitting
  • Includes all hardware: pads, slide bolts, seals, inner & outer wheel bearings, spindle nuts, dust caps

Spindles sold separately.

Item Details

Spindles & Caliper Brackets are NOT included.  Available as part #s 910-34921 & 910-34927

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Speedway Motors 91031992 Specifications

KEY SPECS
MFG. Part #91031992
BrandSpeedway Motors
PositionFront
Wheel Bolt Pattern (in.)5x4.75 in.
Wheel Bolt Pattern (mm)5x120.65 mm
Rotor Diameter10.50 Inch
Rotor TypeVented
Caliper PistonsOne
Caliper FinishNatural
Parking Brake ProvisionNo
Minimum Recommended Wheel Diameter14 Inch
Rotor ShapeRound
Hardware IncludedYes
Rotor StylePlain Face
Front Rotor IncludedYes
Front Rotor Diameter10.50 Inch
Front Caliper IncludedYes
Rear Caliper IncludedNo
Front Spindles IncludedNo
Master Cylinder IncludedNo
Brake Booster IncludedNo
Brake Hoses IncludedYes
Rear Rotor IncludedNo
Bolt Pattern5 on 4.75"
FinishNatural
ColorNatural
Front Caliper FinishNatural
Front Caliper Piston Quantity1
GENERAL
Sold in QuantityKit
NotesIncludes rotors, bearings and seals, calipers, pads, brake hoses, and brake tabs.
Rotor Thickness1.04"
Centerline of Holes5.5"
Front Suspension TypeIFS
Rotor Material TypeCast Iron

Ratings & Reviews

4.6

8 Reviews

Overall Assessment

Customers praise the product for its perfect fit, ease of installation, and enhancement to their vehicle's performance. Its superior craftsmanship, nice finish, and positive impact on the car's ride quality set it apart. However, some customers experienced issues with the setup, requiring minor adjustments. Despite this, the majority affirm the product's value, reinforcing it as a reliable and efficient choice. A few negative instances do not overshadow the benefits valued by the majority.

4.6

8 reviews

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I would buy it again

5.0

a year ago

Sambo

Scottsville Ky

Verified

Product worked great

Would Recommend

I would bothersproduct again.

5.0

2 years ago

Horseshoe

Denton North Carolina.

Verified

Have not used it all but what I have used to be very good quality.

Would Recommend

Yes

5.0

2 years ago

HotRod

Lindenhusrt,Illinois 60046

Verified

Every thing fix perfect on my car with those parts.

Would Recommend

Great product for a great price

5.0

6 years ago

Chuck

Auroras il

Verified

Good craftsmanship, nice finish, excellent packaging

Would Recommend

Very easy to install

5.0

9 years ago

Jte

Dallas Texas

Verified

Great product

Would Recommend

I would not buy these again

2.0

9 years ago

n/a

N.C.

Verified

Had to grind the spindles to keep the rotors from rubbing and turn the rotors where they had rubbed. Bad set-up

Would Not Recommend

theparts all fit great

5.0

9 years ago

john

kearney nebr

Verified

Aok

Worked perfect made car ride better.

5.0

14 years ago

oscar

winchester va.

Verified

easy to install worked great

Would Recommend

Showing 8 of 8 reviews

Questions & Answers

1 Question • 1 Answer

Will this kit work for transitioning rear drum to disc on an 86 Camaro? If this will work, what else will I need?

by slackey

• 12 years ago

1 answer

1 of 1 questions shown

Fitment

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