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The Edelbrock RPM Air‑Gap intake manifold is a single four‑barrel intake built for Chevrolet small‑block V8s (262–400 ci) using 1996‑and‑later Vortec L31 cast‑iron or Edelbrock E‑Tec aluminum heads. Its Air‑Gap design separates runners from engine heat for a cooler, denser charge. Features include an external water‑bypass boss in the front crossover, rear water outlets, nitrous bosses, a temp sensor boss that clears common waternecks, dual distributor clamp locations and an angled heater outlet for proper valve‑cover fit.
Edelbrock RPM Air-Gap Vortec Manifold
