Don’t spend hours figuring out which pieces and parts you need to get what you want from your Chevy engine–Dart has already done the work for you with their Dart Pro 1 Aluminum Top-End engine kits for Chevy. These kits are specifically designed to deliver the performance you want, at a better price than purchasing the parts separately. You get fully assembled Dart cylinder heads, valve covers, an intake manifold, all gaskets needed for installation, spark plugs, and head bolts for a worry-free, proven performance setup!
The experts at Dart have filled these Dart Pro 1 Aluminum Top-End Kits with performance matched parts to get the most out of your 350-400 Chevy.You get a pair of fully assembled , Dart Pro 1 Heads, that are 52 lbs. lighter than iron heads, a single plane standard deck manifold with a 4150/square- bore carburetor flange, tall style chrome plated steel valve covers, spark plugs, and premium head bolts, and all necessary gaskets.
The 215cc heads are great for serious street performance, bracket racing, and restricted oval track(7000 rpm ci)
The 230cc heads are for maximum performance, full competition, heads up and Super classes ( over 7000 rpm. 400+ ci)