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⚡ Upgrade your fuel system with race-grade precision and style!
The SUPERFASTRACING Fuel Rail Adapter Fittings are precision CNC machined from durable 6061-T6 aluminum with a sleek black anodized finish for corrosion resistance. Designed as a 6AN male to 3/8 & 5/16 female GM quick connect adapter, they enable easy push-on installation for LT1, LS1, and LQ4/LQ9 fuel rails, making them the perfect upgrade for professional LS swaps and high-performance fuel systems.
| ASIN | B07TKGMGJB |
| Best Sellers Rank | #509,230 in Automotive ( See Top 100 in Automotive ) #1,177 in Automotive Replacement Fuel System Fittings |
| Brand | SUPERFASTRACING |
| Brand Name | SUPERFASTRACING |
| Color | Black |
| Connector Type | Adapter |
| Customer Reviews | 4.7 out of 5 stars 444 Reviews |
| Exterior Finish | Aluminum |
| Item Weight | 1.6 ounces |
| Manufacturer | SUPERFASTRACING |
| Manufacturer Part Number | SU50402+3 |
| Material | Aluminum |
| Material Type | Aluminum |
| Model Number | SU50402+3 |
| Number of Pieces | 2 |
| Size | 0.375 inches |
| Thread Size | 0.375 inches |
| Thread Type | 37° flare |
| Unit Count | 1 Count |
S**S
So far so good
Idk how many years ago I purchased but they’re still doing great on my LS swapped Dodge pickup.
B**.
Good fit no leaks
Fast shipping , adapted my LS fuel rails to pressure hose with ease, just bought my second set
D**M
Greatly simplifies plumbing the fuel system for an LS engine swap.
Eliminates the need to fabricate connections for fuel supply and return lines. They’ve been on my sand rail for a year now and have worked flawlessly. Highly recommended.
A**N
Easy
They work fine
A**H
Fit factory gm rails
Fit snug and don’t leak. Great for an conversion
J**M
2001 Tahoe Lt
I installed these in my 2001 Tahoe on the fuel pump and on the intake and ran all -6an line. These quick connects have made it very easy to disconnect fuel lines now
B**.
Great fast service!
Very happy with this purchase.
S**Y
Great product
Just what I needed
J**N
good
used them to connect my LS1 fuel rail to AN6 fuel line on my LS swap project . easy to connect and release
K**R
Both leaked
Both leaked. Ruturn stopped but pressure in drips or sprays out.
I**.
Missing the 5/16 push fitting.
I’m received two 3/8 push fittings instead of one 3/8 push fitting and one 5/16 push fitting as the description states.
Trustpilot
2 days ago
4 days ago