Edelbrock Pwr Pkg Top End Kit Perf RPM 389-467 Pontiac w/ 87 cc Heads 471+ HpEdelbrock part #2057 Performer RPM Top End Kit is designed for 1962 79 Pontiac 389 467 c. i. d. V 8 engines. This Top End Kit produced 471 HP & 530 TQ on a 468 c. i. d with 9. 5: 1 compression. The kit delivers improved performance in street applications from 1,500 to 6,500 rpm range. This kit includes an RPM intake manifold, Performer RPM cylinder heads, hydraulic cam and lifters, timing chain complete bolt kits and an Edelbrock gasket set. To get