Dart 18777060 Big Chief 14 Degree 5" Bore Space Oval Port Cylinder Heads Bare(1 head)

The 14 Degree Big Chief head brings many of the most powerful innovations from highly competitive Pro Stock racing to a production cylinder head. The competition style spread oval ports, raised runners and highly efficient combustion chambers provide a serious racing head that blends efficiency and reliability with awesome power.
The 5" bore space design is perfect for high power alcohol and nitrous builds that will exceed 7,000 rpm.
 Dart aluminum heads are cast from virgin 355-T61 aerospace alloy for superior strength and integrity.
5" cylinder bore spacing
14 degree rolled valve angle and raised ports for excellent air/fuel flow characteristics.
5-axis CNC machined intake and exhaust ports and combustion chambers.
Huge 2.575" intake and 1.900" exhaust valves.
Stainless steel or titanium valves available, oval port version comes standard with copper beryllium seats and titanium valves.
Spread port design eliminates inefficient port locations, increasing power and consistency.
Raised spark plug location improves flame travel for a quicker, more complete burn, producing more power.
Rocker stands and roller rockers available for 5.000" Big Chief, call for more info.
All cylinder heads sold individually.