Mast Motorsports

MAST CYLINDER HEADS - BLACK LABEL LS7 - 265CC - 69CC CHAMBER - BARE - SINGLE

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MAST CYLINDER HEADS - BLACK LABEL LS7 - 265cc - 69cc CHAMBER - BARE - SINGLE - 510-206

 

• 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"