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The Mahle OE plain ring set is a precision replacement second ring assembly specified as Performance Steel Napier 2nd Ring for a 3.3268-inch bore with 1.2 mm section height and .135-inch RW measurement. Supplied as a plain ring set, it targets correct dimensional fit and function for compatible engines requiring that steel Napier profile. The description focuses on the ring's size and form factor for accurate rebuild or repair work.
Mahle Rings Performance Steel Napier 2nd Ring 3.3268in x 1.2MM .135in RW Plain Ring Set
