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The Mahle OE chrome piston ring set is a CP20 standard-tension ring package with 3.0 mm oil rings sized for a 4.135‑inch bore. The chrome finish and CP20 geometry are presented for direct replacement use on matching bores. Choose this set when restoring cylinder sealing and oil control during engine rebuilds where a 4.135‑inch bore specification is required for proper fit and performance of OE-style rings.
Mahle Rings CP20 Std Tension 3.0MM Oil Rings 4.135in Bore Chrome Ring Set
