Crankcase Assembly w/38mm Boss (0RC's, GPL290, GP290RS, GP230S, GP230C, G23RC, CY23HR) (4313)

CY Crankcase Assembly w/ 38mm Crankcase Boss 

Fits 0RC Engines:

GPL290* (GPL290 older model w/38mm crankcase boss),
GP290RS
GP230S
GP230C
G23RC
CY23HR

Includes:  Main Bearings and Seals Pre-Installed.  Also includes the center-case gasket.

Note:  The 38mm (older style) and the 40mm (newer style) GPL290 cases are not interchangeable.  The cylinder skirts can also be measured outside to outside to determine proper case measurement)