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Mahle MS piston ring set sized for 4.375" +0.005 bore featuring file-fit rings in 1/16, 1/16 and 3/16" sections. This set provides the common ring pack dimensions needed during engine rebuilds and is intended for machinist fitting at assembly. The compact description identifies the ring heights and file-fit requirement so builders know these rings are prepared for final sizing and seating during installation.
Mahle MS 4.375in+ .005in 1/16in 1/16in 3/16in File Fit Rings
