Maximum competition, off-road trucks, comp/modified drag racing, circle track. 8,000+ RPM, alcohol or nitrous, turbo, supercharger. Dart’s 11° Little Chief CNC is the ultimate small block cylinder head. Designed with Pro Stock style oval ports, big block style canted valves and “semi-hemi” style combustion chambers, the Little Chief is a radical departure from traditional small block heads. The huge flow resulting from the 11° valve angle and splayed valve layout combined with spread oval intake ports, raised runners and highly efficient combustion chambers deliver amazing power.