Maximum Top Sportsman, Top Dragster, Pro Mod and Pro Street competition. Excellent with alcohol and nitrous, over 7,000 RPM, over 500 cubic inches.

Big Chief heads have dominated in Sportsman through Pro Stock classes since their introduction, and we have continued to improve the design with the latest Pro Stock technology.

With our sophisticated CNC machining programs, we can tailor a pair of Big Chief 18° or 14° heads to fit your exact engine combination.

Heads are sold individually.