Set of 6 Industrial Performance STD Size Piston w/Pins Rings For Cummins 6.7 QSB. Please check our photos, and make sure our product is same with your old one. Anything else not mentioned is not included, besides pictures shown. 6 - QSB Standard Size Pistons 6 - Piston rings 6 - Piston pins 2 - Piston clips (per piston) As The Pictures Shown.We will do our best to solve the problem. We promise to provide you the high quality goods and best serves. If you recognize our services and product quality, please give us a good review.