BMW M3, Z3, Z4, 3.2, S54B32 HEPOLITE Piston Ring Set Steel Nitrided OE Quality

All parts are designed and quality checked in the UK and manufactured in factories that are also producing OEM parts. Top: 1.20mm Nitrided Steel. Bottom: 2.00mm Nitrided Steel. 2000–2006 E46 M3. We are main distributors for MAHLE Motorsports, Daido Racing, IAPEL Forged Pistons, NPR Piston Rings and many other leading engine parts manufacturers.

eBay