This is a matching set of engine case's. Removed from a 2015 seadoo GTX 155 
There is no cracks in this engine case. Engine case has crank thrust washer damage visible in the pictures mostly in the upper case.  No scoring in cylinders. piston size 99.96 Cylinders are in very good condition. 
No cracks or holes in the case.
 
Please view the pictures carefully.  
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Thanks James 615-714-7508