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Product Summary

Universal Fit, 5.03" Overall Thickness, Steel, Black

  • 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

Key Specs

MFG. Part #91031431
Outside Diameter7"
Material TypeSteel
FinishPowder Coated
ColorBlack

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Speedway Motors 91031431 Details

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

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

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.

Charts

Speedway Motors 91031431 Specifications

KEY SPECS
MFG. Part #91031431
BrandSpeedway Motors
Outside Diameter7"
Material TypeSteel
FinishPowder Coated
ColorBlack
GENERAL
Overall Thickness5.03"
Bolt Hole Pattern3.38" x 3.38"
Centerline of Holes3.38"
Brake Booster TypeVacuum Diaphragm Dual
Sold in QuantityEach
NotesDual diaphragm booster.