Mahle Piston Ring Kit, Performance Series, 4.070" Bore, File Fit, 1.0mm x 1.0mm x 2.0mm Thick, Standard Tension, Ductile Iron, Plasma Moly, 8-Cylinder

Mahle Motorsports offers a variety of file fit piston rings which allow you to control the ring end gap. Rings are typically oversized so they can be custom fit for the cylinder. The file fit piston ring sets are available via finished bore size, and include top ring, second ring, and oil rings for the cylinder application.