Edelbrock part #20984 Performer RPM Top End Kit is designed for 1957-86 Small-Block Chevy 350 V-8 engines. This Top End Kit produced 410 HP & 408 TQ on a 350 c.i.d engine with 9.5:1 compression. The kit delivers improved performance in street applications from 1,500 to 6,500 rpm range. This kit includes RPM Air-Gap intake manifold, RPM heads, pushrods, RPM camshaft, timing chain, complete bolt kits and an Edelbrock gasket set. To get great performance out of any engine, all of the components must work together. For over 30 years, the Edelbrock Total Power Package system has solved the parts matching puzzle for many street performance enthusiasts. With the introduction our Power Package Top End Kits, now you can get the best Edelbrock performance in-one-box, under one part number with "no guesswork" involved.