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
253 Reviews Hide Reviews Show Reviews
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AIH tapped plug
Quality part,that’s not a surprise since it has riffraff stamped on it,had trouble getting it to thread into the spider,had to hit it with a wire brush,didn’t even scratch the coating on the surface,that’s how well made it is,went in no problem after that,looks great and cleans up that area more than you might think,five stars ecepit for trouble getting it to start to thread into spider
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Aih delete
I think for the price and you are wanting to start customizing and working on your truck the AIH is a great start and you don’t have to be the best mechanic!
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Aih tapped delete
Best spot for boost gauge
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AIH Plug
As described, super happy with the product.
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Great upgrade
The RDP AIH tapped plug is a great solution for removing the obstructive AIH, is a convenient port for a boost gauge, and looks great! Always one of the first upgrades I do to a 7.3
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Strong construction, accessory ready
Replacement threaded plug for the AIH (Actuator Injection Housing). Allows accessory installation or repairs without compromising internal pressure.
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AIH plug
Fits perfectly and looks good. Eliminates the obstruction in the intake spider.
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ITH plug
worked great
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Aih plug
Worked great!






