Edelbrock Performer RPM Top End Kit for 1962–1979 Pontiac 389–467 V‑8 engines with 72cc D‑Port heads. Dyno-tested to 460 HP and 538 lb-ft on a 468 ci engine with 9.5:1 compression, the package enhances street response across about 1,500–6,500 rpm. It ships with an RPM intake manifold, Performer D‑Port 72cc heads, hydraulic cam and lifters, timing chain, bolt kits and an Edelbrock gasket set to simplify installation.
Edelbrock Pwr Pkg Top End Kit Perf RPM 389-467 Pontiac w/ 72cc D-Port Heads 460+ Hp