CFE Pro King
The Pro-King is an (ultra) high-port, 10-degree inline (Windsor style) racing head designed for serious racing use only. The Pro-King head is capable of 1000 naturally aspirated horsepower on a 400 inch small block with a cast single 4 barrel intake manifold. Featuring an impressive array of application-specific CNC port options Pro-King heads are engineered to provide maximum power output in a variety of racing scenarios. Whether your racing is naturally aspirated, boosted, blown, or sprayed CFE has a Pro-King solution for your combination.
The Pro-King 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 289ccs. Other options include alloy valve seats, steel guides for boosted applications, and down nozzle provisions for alcohol-injected applications such as sprint car racing.
Popular Applications Include: Drag racing, sprint car, oval track, and road racing
| CYLINDER HEAD SPECIFICS | |
|---|---|
| Available Cast, Billet, or Billet with Water | |
| Intake Port Volumes: | 270cc and 289cc |
| Intake Valve Diameter: | 2.125″ to 2.225″ |
| Exhaust Valve Diameter: | 1.550″ to 1.625″ |
| Chamber Volume: | 60cc. Chamber can be machined to Chambers in the 30cc range can be achieved by flat milling the deck. Please specify required chamber volume when placing your order. |
| Seats: | Available with ductile iron or alloy seats |
| Guides: | 11/32″ valve guides are standard, 5/16″ guides are available upon request. Alloy guides are standard, steel guides are available upon request and are recommended for boosted applications. |
| Exhaust Flange: | The Pro-King utilizes its own exhaust flange. The header bolt arrangement is inline and has a 2.75″ inch bolt spacing to accommodate larger primary tubes. |
| Cooling Provisions: | The Pro-King has water provisions (-12 AN) on the front and rear of the cylinder head. There are no water provisions on the intake flange. |
| CYLINDER HEAD REQUIREMENTS | |
|---|---|
| Intake Lifters – Left: | Qty 8 @ .180″ offset |
| Exhaust Lifters: | Qty 8 @ .180″ offset |
| Valve Cover: | The Pro-King requires a non-perimeter valve cover. |
| Shaft Rocker System (required) | |
| Jesel: | KPS-241100 |
| T&D: | 7390 |
| Options: | Down nozzle machining for alcohol injection. Lightening program. |
| Assembly Components: | Call for details. |