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Application: Porsche 928 32v motors, all years.
Description: These needle bearings locate the "flappy" valve in the center of the plenum on all Porsche 928 32v motors. The original bearings had no seals in them - allowing air to escape by.
Improved: Our needle bearings are a direct replacement for the original, but improved to include a rubber seal on one end. This is great for all 928's, but especially useful for supercharged 928s under boost.
Also: If you have taken off your intake manifold to clean and paint it (possibly bead-blasting it before painting) this is an excellent time to replace these bearings with our improved ones.
Price is for two bearings, enough for one complete intake manifold.
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