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The Mahle plain ring set is a performance oil-ring assembly sized 4.750 inch with 2.0 mm thickness and .129in radial width, offered as an NHRA Pro Stock plain ring set. It provides precise ring dimensions for high-demand racing engine builds where consistent ring sizing and ring pack geometry are required for Pro Stock style applications.
Mahle Rings Performance Oil Ring Assy 4.750in x 2.0MM .129in RW GNS NHRA Pro Stock Plain Ring Set
