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$129.99
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish

Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish

Universal Fit, 5.25" Overall Thickness, 7" Outside Diameter, 3.38" x 3.38" Bolt Hole Pattern

6 Reviews | 10 Answered Questions
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Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish
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Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish
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Part # 91031432
$129.99
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  • Compact for installation under floor or on firewall of almost any vehicle
  • New dual diaphragm booster measures 7" in diameter and provides additional stopping power compared to single diaphragm designs
  • Booster has four bolts on 3 3/8" centers which fits a variety of mounting brackets and pedal assemblies
  • The length 4 bolt mounting face to master cylinder mount face is 5-1/4"
  • Zinc plated for corrosion resistance

Details

MFG. Part #:
91031432
Overall Thickness:
5.25"
Outside Diameter:
7"
Bolt Hole Pattern:
3.38" x 3.38"
Centerline of Holes:
3.38"
Rod Length:
4.00"
Material Type:
Steel
Finish:
Zinc Plated
Sold in Quantity:
Each
Notes:
Dual diaphragm booster. Pushrod is 3/8" fine thread.
Brake Booster Type:
Vacuum Diaphragm Dual

Info

Compact, 7" diameter for installation under floor or on firewall of almost any vehicle. Has a zinc chromate finish.

Booster Tech Tip (GIF) 

Learn more about selecting the proper brake booster for your vehicle by reading our tech article. Brake System Selection.  

Notes

  1. Pushrod is 4" long from firewall mount face to end of pushrod.
  2. Brake System Builder's Tip (Link)

Length from mount face to M.C. mount face is 5-1/4". Pushrod extends 4" from mount face and has 3/8"-24 threads. Mount bolts are 5/16"-20 x 7/8". 

Installation Note: Before installing the master cylinder onto the booster, you may need to make an adjustment.  The pushrod on the brake booster should protrude 1/16" from the face of the booster to insure proper engagement with the master cylinder.

Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

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