SEASTAR OUTBOARD ENGINE SIDE MOUNT CYLINDER. Up to 300hp. single or twin. Features alternative to front mount if motor well space is restrictive. Unbalanced, uneven number of wheel turns from midship to hard over. Suitable for outboard engines with power steering. Not suitable for autopilot interface. Subject to adequate splashwell width clearance. Inside dia. is 1.250. Stroke is 8". Volume is 8-1/4 cubic in.