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#91031831
Straight 3/8 Inch-24 IFF to 1/8 Inch NPT Male Adapter
- Straight 3/8"-24 IFF to 1/8" NPT Male Adapter
- Brass construction for longevity
- Allows you to adapt a master cylinder or proportioning valve with 1/8" NPT threads to accept the common 3/8"-24 inverted flare brake line fittings
$5.99
/each
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Quantity
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Product Summary
Universal Fit, 1/8" NPT Male Fitting End A, Brass
- Straight 3/8"-24 IFF to 1/8" NPT Male Adapter
- Brass construction for longevity
- Allows you to adapt a master cylinder or proportioning valve with 1/8" NPT threads to accept the common 3/8"-24 inverted flare brake line fittings
- Universal fitting can be used in any brake or hydraulic application
- Sold each
Key Specs
| MFG. Part # | 91031831 |
| Fitting End A | 1/8" NPT Male |
| Fitting End B | 3/8"-24 I.F. Female |
| Angle | Straight |
| Material Type | Brass |
Need To Know
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Return PolicySpeedway Motors 91031831 Details
Speedway Motors 91031831 Details
Brass adapter.
Straight 3/8"-24 IFF to 1/8" NPT Male Adapter
Speedway Motors 91031831 Specifications
Speedway Motors 91031831 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91031831 |
| Brand | Speedway Motors |
| Fitting End A | 1/8" NPT Male |
| Fitting End B | 3/8"-24 I.F. Female |
| Angle | Straight |
| Material Type | Brass |
| Finish | Natural |
| GENERAL | |
| Fitting Style | Adapter |
| Fitting Category | NPT to Inverted Flare |
| Color | Brass |
| Sold in Quantity | Each |
Ratings & Reviews
4.9
42 Reviews
Customers have praised our product for its quality, usability and secure fit. Many found it perfect for their specific projects, emphasizing that it "worked as it was designed for" and made "hooking everything up so much easier". The product's material is recognized for durability, with some customers appreciating the "good brass", unlike other inferior materials in the competition. However, one review mentioned it being a soft material prone to squishing. Despite that, the majority of customers confirmed that it "doesn't leak" unlike other products, enhancing the safety and efficiency of their brake systems. Many recommend the product, vowing to repurchase for future projects. There was a complaint about a leak, though the problem appears resolved, with a minority repurchase hesitation due to incidental shipping delay.
Ratings & Reviews
4.9
42 Reviews
Customers have praised our product for its quality, usability and secure fit. Many found it perfect for their specific projects, emphasizing that it "worked as it was designed for" and made "hooking everything up so much easier". The product's material is recognized for durability, with some customers appreciating the "good brass", unlike other inferior materials in the competition. However, one review mentioned it being a soft material prone to squishing. Despite that, the majority of customers confirmed that it "doesn't leak" unlike other products, enhancing the safety and efficiency of their brake systems. Many recommend the product, vowing to repurchase for future projects. There was a complaint about a leak, though the problem appears resolved, with a minority repurchase hesitation due to incidental shipping delay.
4.9
42 reviews
5
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Most Liked Positive Review
5.0
Pretty handy adapter.
Accidentally screwed up the threads on my clutch master cylinder. Tapped the 3/8-24 port to 1/8" NPT and used an adapter. Saved me from having to replace a very hard-to-find master cylinder. Could also be used to make a line lock using a 1/8" NPT ball valve.
Most Liked Negative Review
2.0
Leaked
Speedway sent out two because the first one leaked, no matter how tight I installed it on the residual valve.
Filter by Ratings
Quality made fittings
5.0
a month ago
Simon
Phoenix, Az
Verified
Quality made fittings, We have used several of these!!!
Would Recommend

I would buy again
5.0
8 months ago
Rat rod
Omaha ne
Verified
Worked great
Would Recommend
Yes
5.0
8 months ago
Holltwood
Ferndale Michigan
Verified
Used it for my disc brake conversion (REAR) proportion valve
Would Recommend
I would buy again
5.0
9 months ago
Rat rod
Omaha ne
Verified
Works great and don't leak
Would Recommend
Brake componets
5.0
12 months ago
Buck
Leander, Texas
Verified
Right fit for my brake calipers
Would Recommend
I would recommend this part
5.0
a year ago
Brian
Searsmont Maine
Verified
I used this fitting to adapt the brake pedal assembly I bought from Speedway to my 1931 Chevy hot rod car and it worked great!
Would Recommend
I would buy it again
5.0
2 years ago
Me
Boody Illinois 62514. PoBox176
Verified
Putting in all new brakes
Would Recommend
Was the fitting I needed.
5.0
2 years ago
Collin
Raymond, ne
Verified
Bought a proportioning valve for our project truck and needed these fittings to attach brake lines into the proportioning valve. Worked great
Would Recommend
I would buy it again
5.0
3 years ago
Ras
Utah
Verified
Worked well.
Would Recommend
Good product for the price
5.0
4 years ago
Decoy
Chula Vista,Ca
Verified
Used on master cylinder.
Would Recommend
Showing 10 of 42 reviews

