Stock bore top end. Running great when pulled. Just went to ESR310PV instead.
65.88mm cylinder bore, 65.75mm piston.
Comes with everything you see here, price includes shipping to lower 48.
Cool Head with 3x domes (1x18cc, 2x 21cc) stock head, piston, rings, pin, bearings, cylinder.
Uses thin CR head gasket (not o-ringed).
$200 shipped.
Can't seem to get pics to upload so please text me at (817) 975-5038 for pics.