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Mahle piston ring set is a file-fit kit sized for 4.030" bore with a +0.005" oversize specification and ring thicknesses listed as .043", .043" and a 3.0mm ring. These rings are intended for engine rebuilds where accurate sizing and a file-fit installation are required. Mahle supplies precision-manufactured rings in common oversize increments to restore cylinder sealing and oil control during reassembly.
Mahle MS 4.030in+.005in .043in .043in 3.0mm File Fit Rings
