FYI, those are not really newest offerings. If you look at the back side of that throttle body, you can see a part number stamped on there. That same exact throttle body costs under $100 from other Bosch vendors. These throttle bodies have been available for many years already, Haltech is just offering them at mark-up now. These can only be controller in a DBW setup. You will not be able to control them mechanically. Also keep in mind that Stanza tbs are not really suitable for boosted applications since they were designed for an NA car and have mathcing shaft seals. If you are looking for larger bolt-on mechanical throttle bodies, these will be shipping towards the end of October. https://www.polarengineering.co/product-page/nissan-z32-300zx-billet-throttle-bodies-62mm
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