1947-54 Chevy Pickup Brake Pedal, Master Cylinder and Booster

#9101373

1947-54 Chevy Pickup Brake Pedal, Master Cylinder and Booster

Use on vehicles with automatic transmissions
Easily install power brakes on your 1947-1954 half ton Chevy and GMC truck
New dual diaphragm booster measures 7" in diameter and provides additional stopping power compared to single diaphragm designs

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Product Summary

47-54 Chevy Truck, Disc/Drum Brake System Type, Natural

Use on vehicles with automatic transmissions
Easily install power brakes on your 1947-1954 half ton Chevy and GMC truck
New dual diaphragm booster measures 7" in diameter and provides additional stopping power compared to single diaphragm designs
High-tech corvette-style master cylinders were designed using OE specifications and 100% tested
Features a 1" bore and are suited for disc/drum combinations

Comes as a Kit

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Key Specs

MFG. Part #	9101373
Brake System Type	Disc/Drum
Brake Booster Diameter	7 Inch
Master Cylinder Material	Steel
Master Cylinder Finish	Natural

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Installation Details

Effects of Master Cylinder Bore Size on Your Brake System

Installation Tips

Brake Booster

Pushrod is 4" long from firewall mount face to end of pushrod.
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.

Master Cylinder

Pushrod to mounting flange is 5.5". Two 3/8"-24 IFF outlet ports on both sides of the cylinder. Plugs are included for the unused ports. Works with both manual or power brake setups. Steel and brass plugs available: 9103190 steel, 9103186 brass.

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Speedway Motors 9101373 Details

Brake Pedal

These brake pedal assemblies allow you to easily install power brakes on your 1947-1954 half ton Chevy and GMC truck.

Will NOT work in conjunction with the factory clutch pedal. Intended for use with an auto transmission.

Master Cylinder

These high-tech Corvette-style master cylinders were designed using OE specifications and 100% tested. They have a 1" bore and are suited for disc/drum combinations. Each master cylinder is ported on both the left and right sides, allowing for installation in many different applications. This exclusive design features a mating flange that works with applications requiring 3-1/8” through 3-3/8” bolt patterns. These master cylinders will work with manual or power brake systems and can be quickly changed with the included adapter pin to plug the deep well. The wide body and low profile gives this master cylinder the clearance you need when installing in tight areas and yet it maintains a large volume of fluid necessary for 2 and 4 wheel disc brake applications.

1" bore
3/8"-24 IFF outlet ports on both sides
Plugs are included for the unused ports
Mount spacing is 3-3/8", accomodates 3-1/8" applications
Works with power or manual brake systems
Compact, for installation under floor or on firewall
Suited for either disc/disc or disc/drum combinations
Stroke of this master cylinder is approximatlely 1-1/16"
Has a piston adaptor that will allow for power or manual applications

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

Brake Booster

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

Charts

Booster Tech Tip (GIF)

Guides & Documents

Brake Boosters Technical Information (91031432)

Effects of Master Cylinder Bore Size on Your Brake System

Master Cylinders Technical Information (91031445)

Speedway Motors 9101373 Specifications

KEY SPECS
MFG. Part #	9101373
Brand	Speedway Motors
Brake System Type	Disc/Drum
Brake Booster Diameter	7 Inch
Master Cylinder Material	Steel
Master Cylinder Finish	Natural

GENERAL
Brake Booster Type	Vacuum Diaphragm Dual
Master Cylinder Bore Size	1 Inch
Brake Booster Material	Steel
Brake Booster Finish	Zinc
Master Cylinder Cap Included	Yes
Sold in Quantity	Kit

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Fitment

1947-1954 Chevy Truck