Edelbrock Performer 50-state street legal heads provide outstanding bolt-on performance for street high-performance 1965-95 289, 302 and 351 Windsor V8s. Capable of 300+ horsepower when matched with the Edelbrock Performer Power Package. Performer heads #350-6032 come with 1.90' intake valves for use with stock pistons. Top-quality 3/8' rocker studs are included on complete heads. Bronze guides and hardened interlocking seats are included on all heads. Will not accept rail rockers. Hardened pushrods required.

Note: Aftermarket 289/302 heads including Brodix, Edelbrock, Ford Motorsport and World Products with 1/2' bolt hole diameters (block is 7/16' bolt hole), except 397-M-6049-P303 ('P' style head). Require 350-9680 inserts with 350-8552 head bolt or 350-9680 insert with 070-154-3601. If head studs are desired use 070-154-4005 (includes inserts).

Tech Tip: To gain more spark plug clearance, Edelbrock recommends using Champion RC Series plugs such as the RC12YC (P/N 192-49776). They are 0.230' shorter than a conventional spark plug and have a 5/8' hex for easier access.