Formed composite material that seals between the bottom of the cylinder and the top of the cases.
Zenoah 4-bolt cylinder gasket (fits 4-bolt cylinder style engines).
Zenoah part # 577231601 (Old Part# T2075-13120)
Stock part on the Zenoah 4 bolt
G240, 270, 290RC Engines
G231, 260 PU, PUH and PUM engines
This gasket can be used on all CY 4 bolt motors. The gasket may need slight trimming near the transfer ports.