The Mahle OE plain second ring set is a performance-grade steel piston ring kit specified as 3.5433 in x 1.2 mm .135 in RW, offering a direct replacement second ring for compatible engines. Mahle OE precision manufacturing supports proper sealing and ring control in rebuilds or repairs; these plain ring sets suit applications requiring accurate ring dimensions and OE-style fitment.
Mahle Rings Performance Steel Napier 2nd Ring 3.5433in x 1.2MM .135in RW Plain Ring Set