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Dart 11071142

Pro 1 CNC LS1 Aluminum Cylinder Head Assembled

Dart 11071142


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Estimated ship date 02/28/18 if Ordered Today
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Dart 11071142 Pro 1 CNC LS1 Aluminum Cylinder Head Assembled $1,451.48
Pro 1 CNC LS1 Aluminum Cylinder Head
  • Assembled
  • 250cc Intake Ports
  • 68cc Combustion Chambers
  • 2.080'' Int/ 1.600'' Exh Valves
  • 1.290'' Valve Springs

  • Specifications:

    Manufacturer's Part Number:

    The Dart LS1 Pro 1 Aluminum Cylinder Heads out flow, have a more efficient combustion chamber and have more user friendly features than production LS1 castings. The Dart LS1 head retains stock valve angles, stock valve locations and stock accessory mounting holes to make installation easy. Virtually everything else has been improved including it costs less than comparable OEM heads!

  • Premium alloy: Dart aluminum heads are cast from virgin 355-T61 aerospace alloy for superior strength and integrity.
  • Extra thick walls provide material for porting.
  • Additional metal above the ports accommodates valve train upgrades.
  • Standard multi-angle intake and radiused exhaust seats.
  • Manganese bronze valve guides and interlocking hardened valve seats ensure long term reliability.
  • Racing inspired combustion chamber improves flame propagation and increases air flow.
  • 5-axis CNC bowl blended for optimal flow charactristics.
  • Sold Individually

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