This piston kit will fit all Kawasaki 1200cc ULTRA 150/ STXR 1200 engines. Piston is a full cast and comes with Rik Japanese high performance rings. Order Std size pistons if you are only honing your cylinders. If you have more damage to the bore and the cylinder will not clean up at STD. THESE CLYINDERS ARE NIKASIL AND CANNOT BE BORED TO AN OVER SIZE. THEY ARE REPAIRABLE AND CAN BE RE-NIKASILED OR RE-SLEEVED WITH A STEEL SLEEVE INSERT THAT IS BORABLE TO 1.00mm. WE OFFER A RESLEEVING SERVICE FOR THIS TYPE OF CYLINDER. SHOP SERVICES Please order the correct over size piston kit. Be sure to inspect your sleeves carefully for chipping, scoring, and cracks. We also offer COMPLETE top end rebuild kits with all 3 cylinders already machined ready to install on a core exchange basis. Click here for more information and pricing.Complete top end rebuild kit includes:1 Piston1 Set Rings1 Pin2 Clips
