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MAST Motorsports Large Bore 6-Bolt Cathedral Port 275cc Bare CNC Head

$1,399.99

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  • Designed for any new Gen IV short-block with 4.125" bore or larger
  • The 6-Bolt design is compatible with GM LSX, RHS & World LSX blocks
  • Utilizes GM Gen IV LS7 valve train and rocker arms
  • Fits any GM LS cathedral port intake manifold
  • Uses a 2.200" intake valve and 1.600" exhaust valve
  • Has a 275cc intake port
  • Has a 69cc combustion chamber standard
  • Has a deck thickness of .750"

LS1 275cc 12 Degree 4.000"-4.070" 6-Bolt 275cc Large Bore CNC (70cc)



Add to Cart:

  • Model: 510-224
  • FROM: MAST Motorsports

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we added this on Thursday 28 October, 2010.

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