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$139.99
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Black Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Black Finish

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

Universal Fit, 5.03" Overall Thickness, 7" Outside Diameter, 3.38" x 3.38" Bolt Hole Pattern

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Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Black Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Black Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Black Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Black Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Black Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Black Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Black Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Black Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Black Finish
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Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Black Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Black Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Black Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Black Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Black Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Black Finish
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Black Finish
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Part # 91031431
$139.99
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  • Dual diaphragm power booster
  • Fits in many tight under-floor installations
  • Excellent for '35-'40 Ford
  • Durable Black powder coated finish
  • Get the most stopping power out of your braking system

Details

MFG. Part #:
91031431
Overall Thickness:
5.03"
Outside Diameter:
7"
Bolt Hole Pattern:
3.38" x 3.38"
Centerline of Holes:
3.38"
Material Type:
Steel
Finish:
Powder Coated
Sold in Quantity:
Each
Notes:
Dual diaphragm booster.
Color:
Black
Brake Booster Type:
Vacuum Diaphragm Dual

Info

As featured on Classic Truck’s Week to Wicked. Watch the transformation here!

  • Dual diaphragm power booster
  • Fits in many tight under-floor installations
  • Excellent for '35-'40 Ford
  • Durable black powder coated finish

Booster Tech Tip (GIF)

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

Application

Universal Fitment 3-3/8" Square Bolt Pattern

Only fits 3-3/8" Center to Center Master Cylinder Bolt spacing.

Notes

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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