Dart Pro 2 BBC Head UNKNOWN

Product Description

The Pro 2 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. 100% CNC machined on precision 5-axis machining centers, the Pro 2 head offers awesome power and unprecidented ease of use.

Features:

• Premium alloy: Dart aluminum heads are cast from virgin 355-T61 aerospace alloy for superior strength and integrity.
• Bolt on compatibility: 2 degree rolled valve angle and standard spacing accommodates all stock accessories.
• Heart shaped 121cc chambers improve combustion efficiency.
• CNC machined for consistency and power.
• Raised spark plug location improves flame travel for a quicker, more complete burn, producing more power.
  *Multi-angle intake seats and radiused exhaust seats greatly improve air flow.
• Hardened exhaust seats are compatible with unleaded gasoline.
• Brass head bolt tubes are inserted between adjacent intake runners to allow the ports to be widened.
• Spark plug holes are machined for gasketed 3/4” reach plugs.
• Manganese bronze valve guides ensure long term reliability.
• All cylinder heads sold individually.