250cc standard bore cylinder kit fit scooter atv go kart

06-12 KTM 250 SX-F Athena Standard Bore Cylinder Kit 76mm – 250cc P400270100003
DESCRIPTION

Kits Includes aluminum cylinder with nickel-carbide coating, ported to Factory Works specs.
Forged piston includes rings, clips, and pin. Athena top-end gasket set including required seals and hardware.
Easy-to-follow, step-by-step installation instructions.