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Mahle plain second ring set PC479 RBT is sized for 4.680 in pistons with a .043 in edge width and supplies the plain second rings required in some engine rebuilds. This ring set identifies as a second ring configuration and provides the dimensional specification needed for selecting matching piston and ring combinations during engine assembly or repair where this exact diameter and edge width are required.
Mahle Rings 4.680in X .043in Edge Width PC479 RBT Second Ring Plain Ring Set
