WISECO REPLACEMENT RING SET.
* TD type sets consist of TWO chrome-faced high temperature steel alloy internally notched compression rings.
* 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.