ls vtec 90da build up

ASSISTANCE Hybrids & Advanced Aftermarket Engine Performance
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I’m not sure what the differences are, it doesn’t list what the Alpha is made out of…

But you’d think the more expensive unit is better lol

I’m using an OmniPower unit that I got on sale for like $150, regularly $270… Not that that has any bearing on the Skunk2 stuff, just saying…

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if it works it works… i like the oem style omni 68-70mm tb