Cylinder Kit for 90cc Horizontal Engine ATV Dirt Bike Go Kart Pit Bike Quad Bike 4 Wheeler Mini Chopper bike.
This engine cylinder assembly contain:
1 pc 47mm cylinder barrel body;
1 set piston kit (piston, wrist pin, circlips, rings set);
1 set cylinder head gaskets
 (grey and black one);
2 pcs oil seals 
This engine cylinder assembly specifications:
Cylinder body diameter: 47mm (1.85"), Height: 69mm(2.73"), 25.4mm(1")
Cylinder head bolt hole spacing: 2" , 1.9"
Piston diameter: 47mm (1.85"), Height: 41.5mm(1.63" )
Wrist pin diameter: 13mm (0.51"), Length: 37.8mm (1.49" )
Piston rings diamer: 49mm (1.93")
Please compare the goods appearance, shape, size with your original goods before ordering,thank you.