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The Mahle OE plain ring set is a second ring for 4.190-inch bores, specified as a Performance Napier steel 2nd ring with 1.0 mm section and .136 in ring width. Offered as a replacement ring set, it supplies the dimensional specification needed when matching rings to pistons during engine rebuilds. Confirm these measurements against your piston and cylinder bore for proper fit.
Mahle Rings Performance Napier Steel 2nd Ring 4.190in x 1.0MM .136in RW Plain Ring Set
