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#91031347
Speedway Drum Brake Residual Valve, 10 PSI, Purple
- A residual valve acts like a one-way valve (check valve) to maintain brake system pressure and eliminate a spongy pedal
- This 10 psi version is used for drum brakes and provides just enough residual pressure to firm up the pedal, yet not too much that the brakes drag
- The valve is installed inline between the master cylinder and drum brake wheel cylinders
$20.99
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Product Summary
Universal Fit, 10 psi Pressure Rating, Purple Anodized
- A residual valve acts like a one-way valve (check valve) to maintain brake system pressure and eliminate a spongy pedal
- This 10 psi version is used for drum brakes and provides just enough residual pressure to firm up the pedal, yet not too much that the brakes drag
- The valve is installed inline between the master cylinder and drum brake wheel cylinders
- Required on low mounted master cylinder such as under the floor locations but these also enhance brake systems with a high mounted master cylinder
- 1/8" NPT female thread connections make this a very universal item. Use inverted flare adapters when connecting this valve to a 3/16" brake line
Key Specs
| Pressure Rating | 10 psi |
| Inlet Fitting | 1/8" NPT Female |
| Outlet Fitting | 1/8" NPT Female |
| Material Type | Aluminum |
| Finish | Purple Anodized |
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Speedway Motors 91031347 Details
Ever had problems with a spongy pedal or slow, unresponsive brakes? If so, you may need a residual pressure valve installed in your brake line. A redesidual valve acts like a one-way or check valve to maintain brake system pressure to eliminate the problems of a spongy pedal. This 10 PSI residual valve is installed inline between the master cylinder and drum brake wheel cylinders to keep 10 PSI of residual pressure at the wheel cylinder after the brake pedal is released. This ensures that you will have a high, firm pedal next time you press the brake pedal.
Our residual pressure valve features a distinctive purple anodized finish with a 1/8" NPT port at each end. Use 10 PSI residual valves for drum brake applications only. Inverted flare or AN threaded adapter fittings to the 1/8" NPT female thread will be required and are noted below and available as required.
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Speedway Motors 91031347 Specifications
Speedway Motors 91031347 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91031347 |
| Brand | Speedway Motors |
| Pressure Rating | 10 psi |
| Inlet Fitting | 1/8" NPT Female |
| Outlet Fitting | 1/8" NPT Female |
| Material Type | Aluminum |
| Finish | Purple Anodized |
| GENERAL | |
| Color | Purple |
| Notes | Use 10 PSI for drum brake applications. |
| Sold in Quantity | Each |
Ratings & Reviews
4.6
44 Reviews
Customers appreciate the product for its quality and practicality, which easily fits under various car models due to its compact size. It's especially lauded for its easy installation process, confirmed through numerous reviews. The product is also highlighted for its performance, particularly when used with under-floor master cylinders. Some customers indicated issues with leaks, but others found it just as effective as more expensive competitor products, noting it offered comparable results at a lower cost. Overall, the product was recommended for its value and functionality in improving brake systems.
Ratings & Reviews
4.6
44 Reviews
Customers appreciate the product for its quality and practicality, which easily fits under various car models due to its compact size. It's especially lauded for its easy installation process, confirmed through numerous reviews. The product is also highlighted for its performance, particularly when used with under-floor master cylinders. Some customers indicated issues with leaks, but others found it just as effective as more expensive competitor products, noting it offered comparable results at a lower cost. Overall, the product was recommended for its value and functionality in improving brake systems.
4.6
44 reviews
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Most Liked Positive Review
4.0
Thread issues.
The only problem with this product was that fitting the adapter into it required ,as i found out through trial and error, some light brushing on the adapter threads and a little dab of grease on them before threading the two parts together. Without this step, the adapter thread binds with the valve threads and will not seal properly.
Most Liked Negative Review
1.0
Worked for three days.
I installed this in a late 40s ford truck. It did exactly what it was supposed to. FOR THREE DAYS! This is the second time I bought a speedway branded part and had issues. The other was with a water pump that had a hole thru the casting. I ordered a willwood model. I have used that brand in the past with impeccable results. I hope that the willwood one works. My suggestion is spend the extra three bucks and buy the name brand.
Filter by Ratings
Yes
5.0
a month ago
Old Red
Gentry Arkansas.
Verified
It is on a 1953 chevy truck brake system and it works fine.
Would Recommend
yes
4.0
2 years ago
Scuba
Shawano Wi.
Verified
I used the vavle to my 9 inch Ford rearend with drum brakes in my 51 F1 Ford.
Would Recommend
did the trick worked great
5.0
3 years ago
stretch
st. louis
Verified
worked great
Would Recommend
yes
5.0
4 years ago
tip
hokah mn
Verified
it was a easy to install
Would Recommend
Good product
5.0
5 years ago
Chicago Chris
Chicago il
Verified
Fit well under my 34 ford
Would Recommend
Yes I would buy again
5.0
5 years ago
Jeff
youngstown ohio
Verified
Fast and friendly
Would Recommend
I would buy again
5.0
5 years ago
Jr
San jose
Verified
Works good on my system, don't like the purple
Would Recommend
.I would buy this again
5.0
5 years ago
john
Willsboro, NY
Verified
easy installation
Would Recommend
I would buy this product again
5.0
6 years ago
Chuck
Illinois
Verified
Just have to get all the wines made up and everything installed
Would Recommend
Probably working
4.0
6 years ago
Tuco
Kansas
Verified
My brake system (4 drums) appears to work the same to me with or without them so I'm not sure if they are necessary or helping or not.
Would Recommend
Showing 10 of 44 reviews
Questions & Answers
Questions & Answers
6 Questions • 10 Answers
What size adapters does this come with
by Jackson
• 6 months ago
1 answer
View Answer
Can you mount them vertical or do they have to be mounted horizontal??
by AC
• 9 years ago
1 answer
View Answer
Before or After the distribution block? Converting my '65 GTO from a single M/C to a dual M/C. 4 wheel drum set up with NO power booster. Dual M/C does NOT have any residual valves built in. Can I run 2 residual valves between the 2 M/C ports and the frame distribution block? If not, for the rear wheel drums, where is the best place to mount the 1 residual valve in the main front to back line and where should the front 2 residual valves be mounted, just after the distribution block or closest to the front drums?
by LILGTO389
• 11 years ago
2 answers
View Answers
what fittings are needed I am running 3/16 brakeline, not sure what type of fittings is needed to plum this in.
by brickman
• 13 years ago
3 answers
View Answers
Just what is the use of this product. what is it meant to do for the brakeing system? why cant you just use a proportioning valve?
by O.B.
• 14 years ago
2 answers
View Answers
I saw the diagram in your catalog for a brake system with these installed between the master cylinder and the proportioning valve, and am wondering if they can be installed after the proportioning valve, between it and the rear brakes?
by chops
• 15 years ago
1 answer
View Answer
6 of 6 questions shown