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Big Chief Chevrolet Big Block Head – 433.00 CC Port, 86.00 CC Chamber


Your Price: $7,684.74

SKU: 18275179

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Dart Big Chief CNC 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: 18275179 Categories: , ,

GTIN: 00807051010992

Industry

Automotive

CNC Ported

Yes

Combustion Chamber Volume

86.00 CC

Exhaust Valve Diameter

1.800 IN

Intake Valve Diameter

2.470 IN

Port Volume

433.00 CC

Spring

Triple

Valve Angle

14 DD

Valve Spring Diameter

1.650 IN

Engine Type

ICE

Product Type

Engine Cylinder Head