1958-64 Chevy Full-size Car Brake Booster Combo, Disc/Disc, Drum/Drum

Description

This brake booster combo is specifically designed for the 1958-64 Chevy Full-size Car, Features an 8" dual diaphragm booster and a 1" bore master cylinder, Has an adjustable proportioning valve for rear brake line, The master cylinder has outlets on both sides for ease of plumbing, Proportioning valve comes with 1/8” NPT to 3/8"-24 IFF adapter fittings
1958-64 Chevy Full-size Car Brake Booster Combo, Disc/Disc, Drum/Drum
Sku # 91031974
Mfr. Part # 91031974
Condition
New
Brand
Speedway Motors
Sold
Each
Details
Notes
Will not fit cars equipped with the original generator-mounted power steering pump.
Front drum-to-disc brake conversions also require a proportioning valve to be installed in the rear brake line circuit. The proportioning valve modulates pressure to the rear brakes which is necessary to prevent the rear brakes from locking up in an emergency stop situation. This kit incudes an adjustable proportioning valve to allow for a proper installation of front disc brakes.
Info
This is garage sale priced because we are liquidating inventory.
No Warranty, No Returns on Garage Sale Items
This kit works with Disc/Disc, and Drum/Drum combinations.
When you put modern disc brakes on your 1958-1964 Chevy full-size car (Bel-Air, Biscayne, Impala, 150 Series, 210 Series), you should update the master cylinder as well. Stock 4-wheel drum master cylinders do not have the capacity to supply the proper amount of pressure for disc brakes. For best results, we recommend using this simple, bolt-on master cylinder booster kit on all 4-wheel disc brake conversions or as a power brake upgrade for 4-wheel drum brake applications.
8" dual diaphragm booster
1" bore master cylinder
Adjustable proportioning valve for rear brake line
Master cylinder has outlets on both sides for ease of plumbing
1/2"-20 and 9/16"-18 outlets
Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.
WARNING: Cancer and Reproductive Harm -- p65Warnings.ca.gov
Specs
Sold in Quantity
Kit
Notes
Proportioning valve comes with 1/8” NPT to 3/8"-24 IFF adapter fittings.
Outlet Fitting
Front: 1/2"-20, Rear: 9/16"-18
Master Cylinder Port Sizes
9/16-18 & 1/2-20
Mounted Length
14.25
Brake System Type
Disc/Drum
MFG. Part #
91031974
Master Cylinder Bore Size
1 Inch
Proportioning Valve Included
Yes
Brake Booster Diameter
8 Inch
Garage Sale Type
Discontinued
Reviews
Yes
Rated
by Wayne on June 06, 2021
Summary:
The unit was a direct bolt in with the existing brake pedal. it would have been nice if the adapters that were like an inch in depth instead of the angle ones.we had to fabricate. I can now lock up all four wheels which are disc brakes, could not lock them up without the power assist. I am very satisfied with the product other than the brackets. We'll see you in Des Moines Iowa
Yes, I recommend this product.
Probably
Rated
by Nino on March 16, 2021
Summary:
Wasn't expecting cod on delivery
Cons:
Had to do some modification
Yes, I recommend this product.
Good quality
Rated
by Garzcarz on February 11, 2021
Summary:
I purchased this for a custom project and need the smaller booster size.
Yes, I recommend this product.
I will buy another for sure
Rated
by AJ Blusteel48 on March 30, 2020
Summary:
It's so easy to install I'm going to buy another for my Wagon
Yes, I recommend this product.
Simplicity for the money!
Rated
by CarGuy153 on January 18, 2020
Summary:
Looks great everything you need minus brake lines. Haven't installed It yet. I am using it too upgrade my 64 impala drum/drum manual brakes to drum/drum power brakes. For the price you cant beat it.
Yes, I recommend this product.
Related Items / Suggested Parts
1955-57 Chevy Car Brake Booster Combo, Disc/Drum
1955-1964 Chevy Power Brake Booster Bracket, Passenger Cars
1958-64 Chevy Full-size Car Brake Booster Combo, Disc/Drum
Speedway Drum Brake Residual Valve, 10 PSI, Purple
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Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 69 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
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