AIH Plug - Tapped - 99.5-03 Powerstroke
- Comes in Blue, Black, and Red anodized
- Tapped version for 1/8" NPT Boost fitting
- 1/8" NPT Plug Included for convenience
- Viton O-ring for complete seal
- Laser etched design
- 100% Made in USA
254 Reviews Hide Reviews Show Reviews
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Go Riffraff Diesel !!
Quality piece that creates a convienent boost gauge port or injection port. I have one on both my trucks.
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great
this is a great quaility pease the only thing i would add is an adapter for a nos fogger nozzle other than that very pleased :)
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Great Product
Great Product, Fast shipping!!
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great product
Very good quality part....everything went smooth
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Great Price
Really good product for the money.
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Awesome product!
Awesome product just wish I had it in red instead of black.
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Well made!
Very well made and with the supplied oring no need for Teflon tape. It is perfect for my boost sending unit. Great job
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Inexpensive and looks good.
This is a super cheap and easy mod that I'd recommend to everyone. I'm not 100% sure that the AIH really hampers performance that much, but it does take out a fairly large coil that does restrict airflow. Gives you a place to install a boost gauge too. AND comes in cool colors
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Boost Port ...... Made Easy !!
I decided to clean up my engine bay by removing the useless AIH. What better place for a boost tap. This tapped plug was the perfect fit. The threads are cut perfect, no loosey goosey junk here. Clean and sanitary install, for sure.






