Product Summary

Buick, Chevy, Oldsmobile, Pontiac, Tandem Outlet Count

  • Includes booster
  • Master Cylinder
  • Proportioning valve
  • 68-'74 Nova and '64-'72 Chevelle
  • 1/2"-20 and 9/16"-18 outlets
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Key Specs

MFG. Part #91664217
Brake System TypeDisc/Disc
Brake Booster Diameter9 Inch
Master Cylinder MaterialCast Iron
Master Cylinder FinishNatural
See more specs

Need To Know

Quick and Easy Returns

Return Policy

Speedway Motors 91664217 Details

Easily convert your manual braking system on your 1967-1972 GM A/F/X Body and add some power with little to no modificatoins! Unit comes complete with brake booster, master cylinder, and booster bracket. Detailed instructions included for a seamless install.

  • 1964-1972 GM A/F/X Body 
  • 9" power brake booster conversion kit 
  • Disc/Disc 
  • 1-1/8" bore 

Kit Includes:

  • Booster Brackets
  • Master Cylinder
  • Disc Disc Proportioning Valve Kit
  • 9" Power Brake Booster

Application

1964 Chevy Chevelle
1964 Chevy El Camino
1964 Buick Special
1964 Buick Skylark
1964 Pontiac Tempest
1964 Pontiac Lemans
1964 Pontiac GTO
1964 Oldsmobile F-85
1964 Oldsmobile Cutlass
1964 Oldsmobile 442
1964 Oldsmobile Vista Cruiser
1965 Chevy Chevelle
1965 Chevy El Camino
1965 Buick Special
1965 Buick Skylark
1965 Pontiac Tempest
1965 Pontiac Lemans
1965 Pontiac GTO
1965 Oldsmobile F-85
1965 Oldsmobile Cutlass
1965 Oldsmobile 442
1965 Oldsmobile Vista Cruiser
1966 Chevy Chevelle
1966 Chevy El Camino
1966 Buick Special
1966 Buick Skylark
1966 Pontiac Tempest
1966 Pontiac Lemans
1966 Pontiac GTO
1966 Oldsmobile F-85
1966 Oldsmobile Cutlass
1966 Oldsmobile 442
1966 Oldsmobile Vista Cruiser
1967 Chevy Chevelle
1967 Chevy El Camino
1967 Buick Special
1967 Buick Skylark
1967 Pontiac Tempest
1967 Pontiac Lemans
1967 Pontiac GTO
1967 Oldsmobile F-85
1967 Oldsmobile Cutlass
1967 Oldsmobile 442
1967 Oldsmobile Vista Cruiser
1968 Chevy Chevelle
1968 Chevy El Camino
1968 Chevy Camaro
1968 Chevy Nova
1968 Buick Special
1968 Buick Skylark
1968 Pontiac Tempest
1968 Pontiac Lemans
1968 Pontiac GTO
1968 Oldsmobile F-85
1968 Oldsmobile Cutlass
1968 Oldsmobile 442
1968 Oldsmobile Vista Cruiser
1969 Chevy Chevelle
1969 Chevy El Camino
1969 Chevy Camaro
1969 Chevy Nova
1969 Buick Special
1969 Buick Skylark
1969 Pontiac Tempest
1969 Pontiac Lemans
1969 Pontiac GTO
1969 Oldsmobile F-85
1969 Oldsmobile Cutlass
1969 Oldsmobile 442
1969 Oldsmobile Vista Cruiser
1970 Chevy Chevelle
1970 Chevy El Camino
1970 Chevy Nova
1970 Buick Special
1970 Buick Skylark
1970 Pontiac Tempest
1970 Pontiac Lemans
1970 Pontiac GTO
1970 Oldsmobile F-85
1970 Oldsmobile Cutlass
1970 Oldsmobile 442
1970 Oldsmobile Vista Cruiser
1971 Chevy Chevelle
1971 Chevy El Camino
1971 Chevy Nova
1971 Buick Special
1971 Buick Skylark
1971 Pontiac Tempest
1971 Pontiac Lemans
1971 Pontiac GTO
1971 Oldsmobile F-85
1971 Oldsmobile Cutlass
1971 Oldsmobile 442
1971 Oldsmobile Vista Cruiser
1972 Chevy Chevelle
1972 Chevy El Camino
1972 Chevy Nova
1972 Buick Special
1972 Buick Skylark
1972 Pontiac Tempest
1972 Pontiac Lemans
1972 Pontiac GTO
1972 Oldsmobile F-85
1972 Oldsmobile Cutlass
1972 Oldsmobile 442
1972 Oldsmobile Vista Cruiser

Speedway Motors 91664217 Specifications

KEY SPECS
MFG. Part #91664217
BrandSpeedway Motors
Brake System TypeDisc/Disc
Brake Booster Diameter9 Inch
Master Cylinder MaterialCast Iron
Master Cylinder FinishNatural
GENERAL
Brake Booster TypeVacuum Diaphragm Single
Outlet CountTandem
Master Cylinder Bore Size1-1/8 Inch
Brake Booster MaterialSteel
Brake Booster FinishZinc
Master Cylinder Port Sizes1/2"-20 & 9/16"-18 IFF
Master Cylinder Built-In Residual ValvesNo
Master Cylinder Bail TypeDouble Bail Wire Zinc Lid
Mounting Bracket IncludedYes
Brake Booster Bracket FinishZinc
Proportioning Valve MaterialBrass
Proportioning Valve LocationLeft Mount
Brake Pedal Rod IncludedNo
Reservoir IncludedYes
Sold in QuantityKit
NotesDisc/ Disc applications direct bolt on. no modifications to firewall are needed. PORT PLUG KIT 9103188

Ratings & Reviews

5

2 Reviews

Overall Assessment

Customers appreciate the versatility and compact design of our product, noting its usefulness for various aftermarket installations like DiscBrake conversions for a wide range of vehicles. They have specifically praised the product's quality, and its easy installation process. Some needed additional individual parts for perfect fit, however overall reviews report satisfaction and prefer it over competitors' offerings due to its superior qualities.

5

2 reviews

5

2

4

0

3

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2

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Filter by Ratings

My Customers LOVE them. Versital and compact.

5.0

5 years ago

DiscBrakeMike

Gardnerville Nevada

Verified

Great price and make an easy aftermarket installation. I do DiscBrake conversions for BOP, Cad, LaSalle, DeSoto, Chrysler, Early Chevy, Dodge trucks and many more.

Would Recommend

Great product

5.0

7 years ago

aliman64

New Franklin, MO

Verified

In the process now of installing this product. So far all is good, except I had to order a part to extend the clevis so it would reach my brake pedal.

Would Recommend

Showing 2 of 2 reviews

Questions & Answers

2 Questions • 2 Answers

Do you have a kit like this available but without the booster? I already have a new booster

by Gene

• a year ago

1 answer

Where would I run the vacuum line to on a 66 skylark

by Doug

• 9 years ago

1 answer

2 of 2 questions shown

Fitment

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