Mahle piston ring set for a 4.185" bore (+0.005). This file-fit three-ring kit uses 0.043 in. ring thickness with 1.5 mm and 3.0 mm ring heights, supplied for final filing to the cylinder. Intended for engine rebuilds that require precise ring-gap adjustment and dependable oil control to restore compression and minimize blow-by when installed to spec.
Mahle MS 4.185in+.005in .043in 1.5mm 3.0mm File Fit Rings