Mahle file-fit piston ring set sized for a 4.500 in. bore plus 0.005 in. This kit includes 1/16 in., 1/16 in., and 3/16 in. rings in a file-fit configuration to allow final fitting to a specific cylinder. File-fit rings are intended for precision assembly where exact end-gap and seating are achieved by careful filing and measurement during engine build, supporting reliable ring seal when properly installed.
Mahle MS 4.500in+ .005in 1/16in 1/16in 3/16in File Fit Rings