The Mahle plain oil ring set is a performance-oriented replacement ring kit sized 4.710 in bore with 2.0 mm thickness and .129 in RW specification, supplied in bulk for NHRA Pro Stock use. This plain ring set is intended for engine rebuilds and high-volume applications that require matched oil control rings to factory bore dimensions. It ships as a bulk pack to support machine shop or race program inventories.
Mahle Rings Perf Oil Ring 4.710in x 2.0MM .129in RW GNS NHRA Pro Stock Plain Ring Set (48 Qty Bulk)