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The Edelbrock Performer RPM dual‑quad intake manifold is designed for 1958–1965 Chevrolet 348/409 W‑series big‑block engines with factory large ports or Edelbrock large‑port W‑series heads. It accepts Performer or Thunder Series dual‑quad carburetors and compatible dual‑quad fuel lines, throttle linkage and air cleaners. The manifold includes an oil fill tube (not installed) and a matching push‑in breather; carb center‑to‑center spacing is 6‑7/16".
Edelbrock Performer RPM Dual-Quad for Chevrolet 348/409 Win Big Block Large Port
