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The Mahle Performance plain ring set is a 4.735-inch bore, 2.0mm thickness, .129-inch ring assembly listed for NHRA Pro Stock use. It provides the precise bore and ring thickness dimensions required by high-spec engine builds. The plain ring set is presented for applications needing the exact sizing shown, supporting accurate piston-to-ring clearances for the specified bore diameter.
Mahle Rings Performance Oil Ring Assy 4.735in x 2.0MM .129in RW GNS NHRA Pro Stock Plain Ring Set
