WISECO REPLACEMENT RING SET.
* CDM type sets consist of TWO ferrox coated ductile iron, internally notched compression rings.
* Designed to be used in chrome bores.
* The ring type and bore size (in mm) is stamped on the dome of the piston.
* Refer to this information to order the correct replacement rings.
* Ring styles cannot be interchanged.
* Please note: Only WISECO replacement ring sets may be used on WISECO pistons.