Mechanical Mastery
As with the other working surfaces of the LS7 cylinder head, the 70cc combustion chamber is fully CNC-ed to a glorious flow-enhancing form. The combo of 2.20-inch intake and 1.610-inch exhaust valves fills the chamber to take maximum advantage of the available bore size. The spark plug is angled towards the exhaust valve as is standard procedure in aftermarket race heads, and is positioned deep in the chamber for a quick burn. Ample quench areas at each end of the chamber maximize combustion efficiency.
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