Product Summary

Front and Rear Position, 11 Inch Rotor Diameter

  • Our 11" drilled and slotted rotors disc brake conversion kit makes it easy to convert your old drum brake setup to disc brakes on GM full size cars
  • This full size disc brake conversion kit won't require you to swap out spindles, saving you time and money
  • Comes with 11" cast iron forged rotors, black loaded GM calipers, braided stainless steel hoses, and all required hardware, seals, bearings
  • Also includes our GM full size 8" dual zinc power brake conversion kit for full braking power and detailed instructions for a painless install
  • Fits 1965-68 Full Size Chevy (Impala, Bel Air) with 15" or larger wheels and will increase track width by 1-3/8" (11/16" per side)

Comes as a Kit

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Key Specs

MFG. Part #91664029
PositionFront and Rear
Wheel Bolt Pattern (in.)5x4.5 in. | 5x4.75 in.
Wheel Bolt Pattern (mm)5x114.3 mm | 5x120.65 mm
Rotor Diameter11 Inch
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Speedway Motors 91664029 Details

Our all inclusive disc brake conversion kit makes it easy for the budget minded hot rod enthusiast to convert their drum brakes to disc brakes. The GM full size kits won't require you to swap out spindles, saving you time and money. Want power brakes? Add a power brake conversion and have full braking power. Booster conversion kits come in many finishes and sizes and can be configured to any kit.

Full Size Chevy 1965-1968Complete Stock Height Front & Rear Disc Brake Kit Includes

  • 11" Drilled & Slotted Rotors
  • Large Single Bore GM Powder Coated Black Calipers w/ Pads
  • Caliper Brackets
  • Hoses with Banjo Bolts
  • Bearings
  • Seals
  • Dust Caps
  • Spindle Nuts
  • Spindle Washers
  • All Hardware

1965-1968 GM Full Size 8" Dual Zinc Booster Conversion Kit (Impala, Bel Air, Biscayne)

Includes:

  • 1" Bore Dual Bail Cast Iron Master Cylinder
  • Brass Proportioning Valve Kit for Left Mount
  • 8" Dual Zinc Booster w/ Firewall Brackets
  • Pedal Extension & Clevis

Charts

Specs

The caliper piston pin needs to be aligned with the notch in the pad to avoid fitment issues.

Speedway Motors 91664029 Specifications

KEY SPECS
MFG. Part #91664029
BrandSpeedway Motors
PositionFront and Rear
Wheel Bolt Pattern (in.)5x4.5 in. | 5x4.75 in.
Wheel Bolt Pattern (mm)5x114.3 mm | 5x120.65 mm
Rotor Diameter11 Inch
Rotor TypeVented
Caliper PistonsOne
Caliper FinishPowder Coated
Parking Brake ProvisionYes
Minimum Recommended Wheel Diameter15 Inch
Rotor ShapeRound
Hardware IncludedYes
Rotor StyleDrilled
Front Rotor IncludedYes
Front Rotor Diameter11 Inch
Front Caliper IncludedYes
Rear Caliper IncludedYes
Front Spindles IncludedNo
Master Cylinder IncludedYes
Brake Booster IncludedYes
Brake Hoses IncludedYes
Rear Rotor IncludedYes
Bolt Pattern5 on 4.75"
ColorBlack
Front Caliper Piston Quantity1
Front Caliper FinishPowder Coated

Ratings & Reviews

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I would NOT buy this kit again. Zero star rating!

1.0

5 months ago

Scott

Portland, Oregon

Verified

I had my mechanic shop install the kit for all for wheels. I completed the bedding/seating cycle on the brake pads twice and the brakes still squeaked. Less than 50 miles on the new kit. I took the car back to the shop and the face of pads were falling apart and had scored the rotors with grooves. Replaced the pads with higher end ceramic and all is good with the brakes now, except the cost for the labor and new pads. Speedway offered to contact the pad manufacturer to have new crap replacement pads sent to me. No thanks.

Would Not Recommend

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Questions & Answers

Fitment

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