About CFE ProKing Inline Valve SBF Heads
The ProKing is a (ultra) high-port, 10 degree inline (windsor style) racing head designed for serious racing use only. The ProKing head is capable of 1000 naturally aspirated horsepower on a 400 c.i.d. small block with a cast single 4 barrel intake manifold. Featuring an impressive array of application specific cnc port options ProKing heads are engineered to provide maximum power output in a variety of racing scenarios. Whether your racing naturally aspirated, boosted, blown or sprayed CFE has a ProKing solution for your combination.
The ProKing is available with several different guide/valve area combinations including a new wide-guide (2.225 x 1.600) option and matching cnc port programing as large as 289cc's. Other options include alloy valve seats, steel guides for boosted applications, and down nozzle provisions for alcohol injected applications such as sprint car racing.
