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Mahle single-cylinder file-fit ring set is specified for a 4.060-inch bore and includes a +0.005 oversize top dimension with 1.0mm, 1.0mm and 2.0mm ring thicknesses for precise fitting. Sold as a single-cylinder service set, these file-fit rings allow professional cylinder matching and finishing for rebuilt or oversized bores where accurate ring gaps and seating are required.
Mahle Motorsports Single Cylinder File Fit Rings 4.06 inch bore
