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Big Chief Pro1 Chevrolet Big Block Head – 424.00 CC Port, 100.00 CC Chamber

Your Price: $2,693.85

SKU: 18475030

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Dart Big Chief Pro1 Aluminum Big Block Chevy Cylinder Heads

Maximum Top Sportsman, Top Dragster, Pro Mod and Pro Street competition. Excellent with alcohol and nitrous, over 7,000 RPM, over 500 cubic inches. An updated Dart Big Chief 385 program incorporates a 2.500 in. intake valve for a dramatic increase in air flow. Big Chief heads have dominated in Sportsman 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 14 Deg CNC heads to fit your exact engine combination. Copper seats are standard and assemblies come with Titanium valves.
Heads are sold individually

SKU: 18475030 Categories: , ,

GTIN: 00807051011128



CNC Ported


Combustion Chamber Volume

100.00 CC

Exhaust Valve Diameter

1.900 IN

Intake Valve Diameter

2.400 IN

Port Volume

424.00 CC



Valve Angle

18 DD

Engine Type


Product Type

Engine Cylinder Head