Dart Big Chief Pro1 Aluminum Big Block Chevy Cylinder Heads 18475136

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Specifications:

BrandDart
Part Number18475136
GTIN00807051011135
Cnc PortedYes
Combustion Chamber Volume100.00 cc
Cylinder Head MaterialRmr Cast Aluminum Alloy
Cylinder Head SeriesBig Chief Pro1
EngineBig Block
Engine TypeIce
Exhaust Valve Diameter1.900 in
Intake Runner Volume424.00 cc
Intake Valve Diameter2.400 in
MakeChevrolet
MaterialRmr Cast Aluminum Alloy
Port Volume424.00 cc
Product TypeEngine Cylinder Head
Valve Angle18 dd
Valve Spring Diameter1.625 in
Valve Spring TypeDouble

Specifications:

Description:

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.

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