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Mahle OE performance oil ring expander set sized 4.745 inches with 2.0 mm thickness, packaged as an NHRA Pro Stock ring set in a 48-quantity bulk pack. These plain ring sets provide the basic oil control component for race or engine build applications that specify this expander size and profile. Intended for professional replacement and high-volume use where this precise dimension is required.
Mahle Rings Perf Oil Ring Expander 4.745in x 2.0MM GNS NHRA Pro Stock Ring Set (48 Qty Bulk Pack)
