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The Mahle OE moly top ring set is a plasma-moly steel top ring sized 3.4646" by 1.2 mm, supplied as a complete top ring set for compatible pistons. Created for rebuilds and repairs, this set matches the specified bore and ring thickness so builders can replace worn top rings with a like-for-like component that fits the listed dimensions without altering piston clearance.
Mahle Rings 3.4646 X 1.2MM Plasma-Moly Steel Top Ring Moly Ring Set
