Dart Iron Eagle SBC Head 180cc/49cc Angle Plug Bare

Dart iron eagle sbc head has an 180cc intake ports and 49cc combustion chambers, they are angle plug. Great street, strip, oval track, truck or marine performance upgrade. Maximum torque and throttle response from idle to 6,000 RPM. Best for 327-400 cubic inch engines. Works with most standard components. Small Block Chevy Cylinder Head  Iron Eagle 180 Bare 2.020 / 1.600 in Valves 180 cc Intake 49 cc Chamber Angle Plug Iron  Each Weight: 52 lbs Bare – 58 lbs Assembled Flow, Intake: 269cfm @ .600” lift / 28” Flow Exhaust: 205cfm @ .600” lift / 28” Flow