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$209.99
1958-64 Chevy Full-size Car Brake Booster Combo, Disc/Disc, Drum/Drum
1958-64 Chevy Full-size Car Brake Booster Combo, Disc/Disc, Drum/Drum

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

3 Reviews | 13 Answered Questions
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1958-64 Chevy Full-size Car Brake Booster Combo, Disc/Disc, Drum/Drum
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1958-64 Chevy Full-size Car Brake Booster Combo, Disc/Disc, Drum/Drum
1958-64 Chevy Full-size Car Brake Booster Combo, Disc/Disc, Drum/Drum
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Part # 91031974
$209.99
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  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

Details

Bore Size:
1.00"
Material Type:
Steel
Mounted Length:
14.25"
Overall Diameter:
8.00"
Outlet Fitting:
Front: 1/2"-20, Rear: 9/16"-18
Sold in Quantity:
Kit
Notes:
Proportioning valve comes with 1/8” NPT to 3/8"-24 IFF adapter fittings.

Info

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.

Notes

  1. Will not fit cars equipped with the original generator-mounted power steering pump.
  2. 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.

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  • by Jason
    Manual brake bleeding can be one of the most efficient ways to bleed the air out of your brake lines. Speedway Motors has created a guide to show you step-by-step how to manually bleed your brakes.
    Learn More
  • by Jason
    Anytime you purchase a new master cylinder, it's important to remove all the air before installing it. Here is a very helpful video tutorial that will show you how to bench bleed a new master cylinder.
    Learn More
  • by Jason
    Looking for a performance or custom brake set-up? Whether you're replacing components or building your brakes from scratch, you may wonder what size master cylinder or booster to use. No need to worry, just follow our handy guide.
    Learn More
  • by Jason
    So you've bleed your brakes, but you're still having trouble with that squishy pedal. If you're certain you have the air out of your brake lines; follow our guide to help check your master cylinder, booster, pedal ratios, and line pressures.
    Learn More

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