LS3 295 Black Label | Assembled Pair of Cylinder Heads

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  • Regular price $ 3,900.00
  • 9 available
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Includes:

  • Mast .700" Lift Dual Spring Kit
  • Mast Hollow Stainless Intake Valves
  • Mast Solid Stainless Exhaust Valves

Mast Motorsports LS3 295 Black Label heads are designed for getting the most out of your 4.125" Bore+ engine. If you are looking to make more power, you have found the right head.

• Dyno proven power •

With supporting upgrades this head will support 700hp+ on a naturally aspirated LS3.

  • Designed for any Gen III or IV 4.125" Bore short block.
  • Perfect for stroked LS short blocks
  • Accepts Gen IV LS7 valvetrain & LS3 Intake manifolds
  • Uses a 2.250" intake valve and 1.600" exhaust valve
  • 11 Degree Valve angle
  • Has a 70cc combustion chamber standard
  • Has a deck thickness of .750"
  • Cast & Machined in the USA!


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