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The Edelbrock Performer RPM Olds 350 intake manifold is a high‑rise, dual‑plane design for Oldsmobile 330–350–403 c.i.d. engines and select 307 applications, focused on maximizing top‑end horsepower while maintaining throttle response. The port flange is reinforced for use with cast iron 455 heads and certain Edelbrock Performer RPM heads, accepts square‑bore carbs, and clears HEI distributors for many street performance builds.
Edelbrock Perf RPM 330-403 Manifold
