This listing is for one set of brand new CP-Carrillo 77mm Piston Rings for KX250F RMZ-250 GSXR-1000 YZ250F Single Set 

Included = 2x Rings for 1x Piston 

Bore Size = 77mm 
Thickness = 0.8mm (Top) x 1.5mm (Oil) 

Fits = M3023C + MX3023C + M3000C + MX3000C + MX3P00C + MORE 

Part Number = CP7700C