Black Stock cylinder gasket. This is the new black cylinder gasket from Zenoah. It is a more rubbery gasket, which provides a great seal, but is best as single-use only (needs to be replaced if the cylinder head is taken off again).
Zenoah part # 848-ER0-97Z0. Interchangeable with HPI part # 15424 FG part # 07306/8
