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MAST Motorsports LS7 6-Bolt Rectangular Port 285 Series LS7 CNC Head

$1,399.99

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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 274cc 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: 510-207
  • FROM: MAST Motorsports

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we added this on Sunday 27 November, 2011.

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