Description
MAST CYLINDER HEADS – BLACK LABEL LS3 – 240cc – 63cc CHAMBER – BARE – SINGLE – 510-201
• Easy bolt on to convert your GM Gen III to GM Gen IV head technology
• Mast Dual (Large Bore) and .650 lift beehive valve springs
• Accepts LS3/L92 valve springs, rocker arms, and intake manifolds
• Outflows any aftermarket cathedral cylinder head on the market
• Uses a 2.080″ intake valve and 1.600″ exhaust valve
• Has a 62cc combustion chamber standard
• Has a deck thickness of .750″