Cylinder Gasket for 110cc ATVs Go karts Dirt Bikes 110cc Quad 4 Wheeler Cylinder Gasket. Top Quality Guaranteed. Brand new Cylinder Gasket; Compatible with most Chinese 110cc ATVs, Go karts, Dirt Bikes Size(Black one): Inner diameter:53mm; Bolt hole spacing:49mm X 47mm Size(Gray one): Inner diameter:56.2mm; Bolt hole spacing:53mm X 50mm X 48mm; ; Please check the pictures and specifications for compatibility before placing orders.