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The Skunk2 Ultra Race 3.5L side-feed plenum is a factory replacement plenum for Ultra Race K‑series side‑feed intake manifolds, offering a 90mm inlet and a 5.0 Ford throttle body bolt pattern with 4.25 in. square spacing. Designed as a direct swap for specified Ultra Race manifold part numbers, the 3.5L volume plenum supports high-flow applications where a 90mm throttle body flange and Ford bolt pattern are required.
Skunk2 Ultra Race Series Side-Feed Plenum - K Series - 3.5L Volume 90mm Inlet
