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MAST Motorsports LS7 305 Series CNC Head (JESEL)

MAST Motorsports LS7 305 Series CNC Head (JESEL)

$1,499.99

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  • Utilizes the Gen IV LS7 valve-train and intake manifold.
  • Designed for any new Gen IV short-block with 4.125" bore or larger.
  • Uses a 2.200" intake valve and 1.600” exhaust valve
  • Has a 280cc intake port
  • Has a deck thickness of .750"

LS7 12 Degree 4.125"-4.200" 6-Bolt Large Bore CNC (70cc)



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  • Model: 510-209J
  • FROM: MAST Motorsports

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we added this on Thursday 23 February, 2017.

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