Single 7 Inch Brake Booster Master Cylinder Combo, 1 Inch Bore

Description

Compact design adds vacuum assist for increased brake pedal response, easily mounted under the hood or floor of most vehicles, NEW heavy duty steel booster measures 7" in diameter and has a zinc plated finish for corrosion resistance, Master cylinder has a 1" bore with 3/8"-24 IFF outlets on both sides of the M/C allowing for brake lines to be run specific for your needs, Mounting for the booster has 3-3/8" on center, 4 bolt pattern to simplify installation, Mounted overall length is 11.75"
Single 7 Inch Brake Booster Master Cylinder Combo, 1 Inch Bore
Sku # 91031409
Mfr. Part # 91031409
Condition
New
Brand
Speedway Motors
Sold
Kit
Details
Info
Compact for installation under floor or on firewall of almost any vehicle. Booster measures only 7" in diameter. Cast iron master cylinder has a 1" bore and is suited for disc-disc or disc-drum combinations.
Master cylinder features two 3/8"-24 inverted flare ports on each side (plugs are included for ports not in use).
Compact design to fit into small spaces under the hood
Universal in design, makes for a simple install
Heavy-duty zinc-plated steel construction to provide years of service
Uses standard DOT 3 or DOT 4 brake fluids
Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. .
Specs
Pushrod-to-mounting flange is 5-1/2"
Four bolts on 3-3/8" centers
Booster is 3.75" thick
Master cylinder combo is 11.875" from end of the master cylinder to the firewall
(4) qty 3/8"-24 outlet ports (2 plugs included)
8" from mount to outer edge
Installation Tips
(Link)
(GIF)
Specs
Sold in Quantity
Kit
Brake Booster Material
Steel
Outlet Fitting
3/8"-24 (4)
Bolt Hole Pattern
3.38" x 3.38"
Centerline of Holes
3.38
Overall Length
11.75
Reservoir Included
Yes
Outlet Count
Tandem/Both Sides
Master Cylinder Material
Steel
MFG. Part #
91031409
Brake Booster Type
Vacuum Diaphragm Single
Master Cylinder Bore Size
1 Inch
Brake Booster Diameter
7 Inch
Master Cylinder Port Sizes
3/8"-24 IFF
Reviews
I would buy this combo again used it years ago using on
Rated
by buck on January 03, 2022
Summary:
Takes the guess work out of gm brakes
Yes, I recommend this product.
Great compact unit
Rated
by The Chuck on September 06, 2021
Summary:
Super small package made it fit in the small area I needed to mount it.
Yes, I recommend this product.
Good quality, compact, works amazingly well
Rated
by Frankie on June 28, 2021
Summary:
'33 Ford street rod, under floor brake system, replace old CPP brake booster, this one was about 1 inch shorter overall, which made install easier in such a tight space.
Yes, I recommend this product.
FANTASTIC PRODUCTS & SERVICE
Rated
by MR.MERC on April 16, 2021
Summary:
JUST AS DECRIBED PERFECT FIT & QUALITY
Yes, I recommend this product.
Yes we'll built
Rated
by Starvin Marvin on July 20, 2020
Summary:
Great products
Yes, I recommend this product.
Related Items / Suggested Parts
Single Diaphragm Chrome Booster Master Cylinder Combo
Single 7 Inch Brake Booster Master Cylinder Combo, 1-1/8 Inch Bore
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Dual 8 Inch Brake Booster Master Cylinder Combo, 1 Inch Bore
Universal Frame Rail Power Brake Pedal Mount
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About
Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 70 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
Return Policy
We want you to be satisfied with your purchase. If within 60 days after you receive your shipment and you are not satisfied, you may return the item for a refund. Refunds will be processed (1-2) days after the item is received by Speedway. All returned merchandise must be in original factory condition with no modifications or alterations. A restocking fee up to 15% may be applied if items are not in new condition.
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