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The Edelbrock Performer RPM cylinder head for 1955–1986 Small-Block Chevy applications is supplied complete with straight spark plug placement and 70cc chambers, tuned for a usable power band from 1,500–6,500 rpm. It features thicker deck surfaces for durability along with quality intake and exhaust valves and valve springs. Intended for pre‑pollution controlled vehicles, it suits street performance and daily-driven builds.
Edelbrock Cylinder Head SBC Performer RPM Straight Spark Plugs 70cc
