Description
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″