Dart 16875050 Race Series CNC-Machined Chevy Big Block Cylinder Head Features:

• Maximum competition
• High torque, high compression low dome
• 8000+ RPM
• 500+ cubic inches
• Bridges the gap between conventional heads and Dart’s Big Chief heads
• Pro Stock style oval intake ports
• Conventional asymmetrical port design
• 18 Degree rolled valve angle with redesigned shallow combustion chambers
• Ideal for drag racing, marine applications, and dirt-modified classes

Dart 16875050 Race Series CNC-Machined Chevy Big Block Cylinder Head Specs:

• CNC Ported: Yes
• Combustion Chamber Volume: 102.00 cc
• Exhaust Valve Diameter: 1.840 in.
• Intake Valve Diameter: 2.350 in.
• Port Volume: 383.00 cc
• Valve Angle: 18 Degree

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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