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H23 Vtec (blue top) Injector Upgrades

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Old Feb 9, 2026 | 09:05 PM
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WillTheHondaKid's Avatar
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Default H23 Vtec (blue top) Injector Upgrades

Hello, I have a question sounding the H23 Vtec and how compatible everything is. As far as I know the H23 Vtec with the PDE head and intake has 290cc injectors according to the thread https://honda-tech.com/forums/honda-...tions-2341343/ . However, when I pulled them to verify the type, they look like 3.2/3.5L V6 injectors (06164-P8E-A00). The old thread claims they are Euro R/S2K style injectors but a quick search brings up slightly or completely different injectors. Basically I'm asking if I can use h22a4 injectors. Is the the fuel rail separation is the same height, and will the lack of tip seal on the apparent h22a4 injectors cause a fuel leak.
Injectors found in my h23 vtec (sorry for the poor quality.
Injectors found in my h23 vtec (sorry for the poor quality.

06164-P8E-A00
06164-P8E-A00
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