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.
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