This Mahle plain ring set includes gas-nitrided steel top compression rings sized 4.615 in with .043 in thickness and .170 in RW. Sold as a 48-count bulk pack, it supplies consistent ring geometry for rebuild projects and professional engine work where matched replacement rings are required for multiple cylinders or engines.
Mahle Rings Gas Nitride Steel Perf Top Comp 4.615in x .043in .170 RW Plain Ring Set (48 Qty Bulk Pk)