Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish

#91031432

Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish

Name: Dual Diaphragm Power Brake Booster, 7 Inch, Chromate Finish
Brand: Speedway Motors
SKU: 91031432
Price: 194.99 USD
Availability: InStock
Rating: 4.8 (12 reviews)

12 Reviews

11 Questions

Compact for installation under floor or on firewall of almost any vehicle
New dual diaphragm booster measures 7" in diameter and provides additional stopping power compared to single diaphragm designs
Booster has four bolts on 3 3/8" centers which fits a variety of mounting brackets and pedal assemblies

Booster Type:

Dual

Single

Finish:

Zinc

Black

$194.99

/each

In Stock

Quantity

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Product Summary

Universal Fit, 5.25" Overall Thickness, Steel

Compact for installation under floor or on firewall of almost any vehicle
New dual diaphragm booster measures 7" in diameter and provides additional stopping power compared to single diaphragm designs
Booster has four bolts on 3 3/8" centers which fits a variety of mounting brackets and pedal assemblies
The length 4 bolt mounting face to master cylinder mount face is 5-1/4"
Zinc plated for corrosion resistance

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Key Specs

MFG. Part #	91031432
Brand	Speedway Motors
Outside Diameter	7"
Material Type	Steel
Finish	Zinc Plated

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Need To Know

Need help?

855.313.9176

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Speedway Motors 91031432 Details

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

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

Charts

Booster Tech Tip (GIF)

Guides & Documents

Brake Boosters Technical Information (91031432)

WARNING:

Cancer and Reproductive Harm – www.P65Warnings.ca.gov

Speedway Motors 91031432 Specifications

KEY SPECS
MFG. Part #	91031432
Brand	Speedway Motors
Outside Diameter	7"
Material Type	Steel
Finish	Zinc Plated

GENERAL
Overall Thickness	5.25"
Bolt Hole Pattern	3.38" x 3.38"
Centerline of Holes	3.38"
Rod Length	4.00"
Brake Booster Type	Vacuum Diaphragm Dual
Sold in Quantity	Each
Notes	Dual diaphragm booster. Pushrod is 3/8" fine thread.

Ratings & Reviews

4.8

12 Reviews

Overall Assessment

Customers appreciate the product's high quality and usability, often citing it's a perfect fit for their needs in various car models like the '31 Chevy Vicky and '35 Ford panel. Its practicality is noted, with adjustable features like a shorten-able rod. It proved efficient in enhancing performance, notably improving braking. The booster provides needed space to clear big block valve covers, confirming its adaptability. It's cost-effectiveness is lauded as being budget-friendly. The product's essential qualities steer the customers to not only repurchase but also recommend it to others.

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4.8

12 reviews

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What I Needed 👍

5.0

a year ago

E.J.

Eleva WI

Verified

Right size (7") to fit under the floor. Matched up nicely to the master cylinder.

Would Recommend

yes product was great quality and i will use another on next

5.0

2 years ago

Mr. Attitude

Manlius NY

Verified

used as designed

Would Recommend

i will buy from you again

5.0

5 years ago

jack

erwin tn

Verified

your product support is one of the best I,ve talked to in a long, long time They new the product and took the time to help

Would Recommend

YES, I would buy this Booster again!

5.0

5 years ago

Debbie

Austin, Texas

Verified

Great people, Great price, Great shipping = Fantastic Company!!!

Would Recommend

I would buy again and will.

5.0

5 years ago

Cathawk

Supply NC

Verified

Great, can shorten the rod, super quality! Put on a 31 Chevy Vicky.

Would Recommend

Great Brake Booster

5.0

6 years ago

Samm

Portland, OR

Verified

Bought this to put in my 35 ford panel. Fits perfect and was easy to install. Works Great!!! Thank You!!!

Would Recommend

*****

5.0

7 years ago

Jeremiah

Tucson AZ

Verified

Need a dual brake booster for my disk brake build and this fit the bill. Budget friendly and should work just fine.

Would Recommend

I'd get it again but the first one wouldn't fit I sent back

4.0

7 years ago

None

Verified

Product is good but I've been getting some wrong info first booster I got was to big I painted it not mocking it up which is my mistake tjey said tjey would take it back but I just bought what tjey told me but I know now but everybody on service side has been so helpful and nice

Would Recommend

yes i would defenitely used and recommend this product

5.0

9 years ago

ben

guam

Verified

this product gave me the necessary space to clear big block valve covers

Would Recommend

does fit in a 1940 chev truck

4.0

10 years ago

steg

coupeville wash.

Verified

sevvice was goood verytimbly for me. would like to have a packing list added with muthable iteams in the bowould help.

Would Recommend

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Questions & Answers

11 Questions • 10 Answers

Sort Questions

Would this work as an assembly with part #'s 91631988 and 91664055

by Mike

• 4 years ago

1 answer

View Answer

Does this include the check valve?

by RoadsterGuy

• 8 years ago

1 answer

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will this booster fit a 1955-1957 Chevy Bel Air with front discs and rear drums ,and is the mounting bracket # 91031982 a direct /mated fit to the booster as well as the firewall of a 55-57 Chevy, if not what do you recommend I use?

by Shadow

• 9 years ago

1 answer

View Answer

I have a custom built 01 mustang with front and back disc brakes will this work with a 15/16 bore master cylinder which is what i have on there now or do i need to get a M/C with a 1inch bore thanks

by wally

• 9 years ago

1 answer

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Will this work with 91031445? If not what will and do I need any additional components? It's for a 63 F100. Is Dual and 1" bore the right combination? Disk front, drum rear.

by Chris

• 9 years ago

1 answer

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Will this work on a 1966 Nova with a SBC?

by nicnasty

• 10 years ago

1 answer

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will this fit a 1993 mustang 5.0

by buddy

• 11 years ago

1 answer

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High altitude Will single diaphram 7" booster do anything at high altitude on disc front drum rear setup? Car weighs 3400 lbs.

by Goofy

• 11 years ago

1 answer

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by useing a dual booster will that give better braking on a disc front and drum rear brake system better than a single booster

by honest bob

• 15 years ago

1 answer

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whats the bolt pattern on the mounting bolts and is it a 1 1/8 bore size

• 15 years ago

1 answer

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