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Dart Pro 2 BBC Head UNKNOWN

Brand: DART | Category: Engine Heads

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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.


  • 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.