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The Mahle file-fit piston ring set for a 4.140 in. bore (+0.005 in) includes 0.043 in. top and second rings and a 3.0 mm oil ring. Supplied for final fitment by filing and gap-matching, this set supports precise rebuild work where correct end gap and ring seating are required. It’s intended for machinists and builders finishing cylinder bores to exact tolerances.
Mahle MS 4.140in+.005in .043in .043in 3.0mm File Fit Rings
