CLASSES - GSR KARTWAY

Carbon build-up on either the head or piston that cannot be readily wiped-off with a dry cloth will be considered part of the head and/or piston for tech measurement purposes. 701.8.1: In the flat area above the piston .011". 701.8.2: Spark plug area .408". 701.8.3: In the area above valves opposite cylinder bore area .300". 701.8.4: Cylinder head bolt holes .348" max. 701.9: HEAD GASKET ... ................
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