Multiple U.S. Warehouse LocationsBroken ApexFree shipping on qualified orders over $100*
The Mahle OE plain ring set includes Napier THM-13 plain rings sized 3.917 x 1.2 mm with a .135 inch ring width, intended as replacement piston rings for compatible engines. These plain rings provide a basic sealing solution for piston-to-cylinder contact and are specified by exact dimensions to match rebuild requirements. They suit engine overhauls where correct ring size and fit are critical.
Mahle Rings Performance Napier THM-13 3.917 x 1.2MM .135inRW Plain Ring Set
