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Review on NAVARME Non Return Petrol Diesel Aluminum by William Obong

Revainrating 1 out of 5

Will not handle air pressure above psi

I used these as a secondary check valve on my big Mazdaspeed 3 forged double locking turbo block. They failed at the first push. They ended up getting stuck causing my dipstick to pop out and splatter oil all over the engine bay. I checked the pcv/breather routing three times when installing the setup and again when I found the problem. I concluded that everything installed correctly.

Pros
  • Replacement Parts
Cons
  • Vulgarity