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NB Miata Skunk2 64mm Throttle Body with highly modified JDM Flattop Intake Manifold

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Old Mar 28, 2022 | 09:59 PM
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ian99rt's Avatar
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Default NB Miata Skunk2 64mm Throttle Body with highly modified JDM Flattop Intake Manifold

SOLD!!! Please close thread

Changed direction and going ITBs for my CSP car, so selling my skunk2 TB with port matched, blended, and improved JDM Flattop manifold. Asking $550 + actual UPS ground shipping.

Brand new never installed Skunk 2 NB miata throttle body with all gaskets, bolts, etc.


The manifold came with the JDM VVT motor I purchased with approx 35k miles on the clock (cylinder walls still fully cross hatched from honing).
Manifold has never seen EGR and has oem block off plate installed.

In the photos you can see that I bored the TB mating flange to 64mm to seamlessly mate with the Skunk2 TB, aluminum brazed filled (so to not heat the manifold hot enough to warp the flanges) in the deep carve out in the flow path for one of the vacuum ports (only the small 90 deg port on the underside is now non-functional). I also lightly port matched the cylinder head mating ports as there was a light mismatched. Manifold was reassembled with a new Mazda plenum-runner gasket and will come with a new Mazda OEM manifold to cylinder head gasket.














Last edited by ian99rt; Mar 29, 2022 at 05:45 PM.
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