DART 19474136M Pro1 Chevrolet Big Block Head – 335.00 CC Port, 121.00 CC Chamber

Maximum performance, bracket racing, heads up and super classes. Over 7,500 RPM, 500+ cubic inches, a great head for maximum effort comp or bracket cars. Dart’s PRO2 24 Deg 380cc CNC heads have been revised with larger 2.350 in. intake valves and a revised port design for improved airflow and a substantial horsepower increase! These cylinder heads were designed to make competitive engine building easier and less expensive by incorporating the rugged features of our famous Race Series casting into a ready to use, professional quality competition cylinder head. Every intake port, every exhaust runner, every valve bowl, and every combustion chamber is 100% digitally CNC machined for the ultimate in consistency. Assemblies include Stainless Steel valves, premium springs, locks, retainers, guide plates and seals.
Heads are sold individually

• Industry: Automotive
• CNC Ported: Yes
• Combustion Chamber Volume: 121.00 CC
• Exhaust Valve Diameter: 1.880 IN
• Intake Valve Diameter: 2.300 IN
• Material: RMR Cast Aluminum Alloy
• Port Volume: 335.00 CC
• Valve Angle: 24 DD
• Valve Spring Diameter: 1.625 IN
• Valve Spring Maximum Lift: 0.850 IN
• Engine Type: ICE
• Product Type: Engine Cylinder Head
• Make - Web: Chevrolet
• Engine - Web: Big Block
• Emissions Code: 3