DART 11521123P Pro1 Chevrolet Small Block Head – 215.00 CC Port, 64.00 CC Chamber

Serious street performance, modified oval track and bracket racing. Mid-range to 7,000 RPM. Best for 400+ cubic inch engines. Dart PRO1 23? 215cc Platinum series heads are for big cubic inch, high RPM applications which favor peak power over low end flexibility. Long wearing Bronze valve guides, screw-in studs, multi-angle intake seats with hardened, radiused exhaust seats are standard. Best of all, our precision cast ports produce outstanding airflow without time consuming porting. Assemblies include Stainless Steel valves, premium springs, locks, retainers, studs, guide plates and seals.
Heads are sold individually

• Industry: Automotive
• CNC Ported: Yes
• Combustion Chamber Volume: 64.00 CC
• Exhaust Valve Diameter: 1.600 IN
• Intake Valve Diameter: 2.050 IN
• Material: RMR Cast Aluminum Alloy
• Port Volume: 215.00 CC
• Valve Angle: 23 DD
• Valve Spring Diameter: 1.550 IN
• Valve Spring Maximum Lift: 0.700 IN
• Engine Type: ICE
• Product Type: Engine Cylinder Head
• Make - Web: Chevrolet
• Engine - Web: Small Block
• Emissions Code: 3