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.
Additional Attributes:
GTIN: 00807051010954
CNC Ported: Yes
Combustion Chamber Volume: 87.00
Cylinder Head Material: RMR Cast Aluminum Alloy
Cylinder Head Series: Big Chief
Engine – Web: Big Block
Engine Type: ICE
Engine: Big Block
Exhaust Valve Diameter: 1.900
Industry: Automotive
Intake Valve Diameter: 2.400
Make – Web: Chevrolet
Make: Chevrolet
Port Volume: 440.00
Product Type: Engine Cylinder Head
Prop 65 (C, R or CR): CR
Prop 65 Yes/No: Yes
Spring: Double
Valve Angle: 14
Valve Spring Diameter: 1.625
Extended Information:
Emissions : CARB Eligible
Life Cycle Status: Available To Order
Packaging:
Quantity of Each: 1
Package UOM: EA
Dimension: 24.000 x 10.250 x 8.000 inches
Weight: 38.000 PG
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