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The Mahle file-fit piston ring set for a 4.025 in bore (+0.005 in) includes 1.0mm top, 1.0mm second and 2.0mm oil rings. Supplied oversize for filing to final end-gap, these rings let a machinist or rebuilder finish ring-to-bore clearance during installation. The file-fit format provides control over end-gap and seating for reliable rebuild tolerances.
Mahle MS 4.025in +.005in 1.0mm 1.0mm 2.0mm File Fit Rings
