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Mahle OE plain second ring set made from Napier steel, sized 4.270 in with 1.0 mm thickness and .136 in radial wall, supplied as a plain ring configuration for second-ring use. This set suits engine rebuilds requiring OE-style geometry and material; buy as a direct replacement when matching piston and cylinder specifications to restore ring sealing and control oil between compression rings.
Mahle Rings Performance Napier Steel 2nd Ring 4.270in x 1.0MM .136in RW Plain Ring Set
