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Kiel
Reviewed in the United States on March 18, 2025
had some small leaking from -4an connection from turbo coolant linesthey'd leak from the fitting connection are and only be the most minute of leaksthis fit connector fittings perfectlyhaven't had any leaks since fittings theseworth the cost
Cj Crawford
Reviewed in the United States on December 8, 2022
Works really well. Had a tiny leak on my nitrous line read some forums and they said these work really well so I gave it a shot. To my surprise it worked perfect and no more leak!
Extechie
Reviewed in the United States on May 6, 2021
I had an aluminum -6 AN fuel fitting on the race car that started to show some weeping around the mating surfaces last weekend. They appear clean and free from any nicks or mars, but at the upper end of the recommended torque tightening would not stop weeping. It had a slow drop at the torque low end. Ordered a set of these seals on Monday and they arrived today. Installed one on the male half of the pair and torqued the pair to the middle of the range. Sealed up nice and dry at 50PSI race fuel. If these hold under heat and vibration, they are wonderful!
JC
Reviewed in the United States on December 5, 2020
They worked for slight leakage. Unfortunately the threads on my an fitting were to damage so the seals slowed the leak but didn't stop it completely
Kory
Reviewed in the United States on December 19, 2018
I use these on flared stainless hardline that I make up for fuel systems on cars. Pressure test with air at 120psi and soapy water, NEVER had a leak when using these between home flared stainless and aluminium fittings. Yeah, they are expensive, but they WORK.
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