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Part # 91031435

Speedway Dual Diaphragm Power Brake Booster, 8 Inch, Chromate Finish

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  • Compact for installation under floor or on firewall of almost any vehicle
  • NEW dual diaphragm booster measures 8" in diameter
  • Booster mounts with four bolts on 3-3/8" centers

$166.99

each

In Stock

$179.00

Save $12.01


Quantity

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Product Summary

Universal Fit, 5.25" Overall Thickness, 4" Rod Length

  • Compact for installation under floor or on firewall of almost any vehicle
  • NEW dual diaphragm booster measures 8" in diameter
  • Booster mounts with four bolts on 3-3/8" centers
  • Master cylinder studs measure 3-3/8" on center
  • Booster measures 5-1/4" thick from mount surface to mount surface

Key Specs

MFG. Part #91031435
Overall Thickness5.25"
Outside Diameter8"
Bolt Hole Pattern3.38" x 3.38"
Centerline of Holes3.38"

Need To Know

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Details

Compact, 8" diameter for installation under floor or on firewall of almost any vehicle. Zinc chromate finish.

  • 3-3/8" Bolt Pattern (Firewall Side)
  • 3-3/8 Center to Center Bolt Hole (Master cylinder Side)
  • Uses adjustable pin
  • Great for installs on GM A, F, X, Body Cars with Big Blocks or Engines with tall headers

Learn more about the proper uses of residual valves by reading our tech article.Brake System Selection

Charts

Specs

  • 8" O.D.
  • 5-1/8" main body length
  • 10-1/2" overall length
  • Back of the booster to the end of the threaded plunger rod is 4-1/8"
  • Firewall mounting studs are ¾" long at 3-3/8" center-to-center
  • Front master cylinder studs are 1-1/8" long at 3-3/8" center to center

Specifications

KEY SPECS
MFG. Part #91031435
BrandSpeedway Motors
Overall Thickness5.25"
Outside Diameter8"
Bolt Hole Pattern3.38" x 3.38"
Centerline of Holes3.38"
GENERAL
Rod Length4"
Material TypeSteel
FinishZinc
Sold in QuantityEach
NotesDual diaphragm booster.
Brake Booster TypeVacuum Diaphragm Dual