This Skunk2 Ultra Race Series side-feed plenum is the modular upper plenum section for the B/D-Series Ultra Race intake manifold, letting you change plenum volume and configuration on Honda/Acura B- and D-Series builds. Billet construction; pairs with the Ultra Race manifold base. Silver finish.
| Series | Ultra Race (modular plenum) |
| Configuration | Side feed |
| Finish | Silver |
| Engine | Honda / Acura B/D-Series |
| Part Number | 907-05-0060 |
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