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Edelbrock Performer RPM Top End Kit for 1965–1995 Big‑Block Chevy 396–454 V‑8 engines. Dyno testing returned about 540 HP and 539 lb-ft on a 454 ci engine with 9.6:1 compression, delivering street performance improvements through the 1,500–6,500 rpm range. The single‑box kit includes an RPM Air‑Gap intake manifold, Performer RPM cylinder heads, hydraulic cam and lifters, timing chain, bolt kits and an Edelbrock gasket set.
Edelbrock Total Power Package Top End Kit for Chevrolet 396-454 Big-Block
