PISTON AND CYLINDER Comes always as complete kit with: 4 pistons with wrist pin buttons, 4 cylinders and, 4 sets of piston rings. Enclosed each kit is a table which shows the correct boresize for cylinderhead and crank case. For 1500/1600 ccm engines you can mount piston and cylinder with 85,5 x 69 mm standard (part no.: 010 0510) or 88 x 69 mm ''Slip IN'' (part no.: 010 0512) without further mechanical treatment of engine bloc and cylinder heads.