Belleville Washer 1.8mm Medium 1NZ-FE WPC treatment (optional)– Enhances surface

WPC treatment (optional)– Enhances surface hardness

We use anti-rust oil during assembly at our factory

BMW M20 (320i

Our plate-type LSDs are manufactured from FORGED Nickel-Chromoly steel and subjected to advanced heat treatments such as Super Sub-Zero / Cryogenic treatment

Belleville Washer 1.8mm Medium 1NZ-FE WPC treatment (optional)– Enhances surfaceBelleville (Preload Conical) Washer Motorsport Specification Size M: 64. 5 45 mm (OD ID)Thickness: 1. 8 mm Material: High grade spring steelHeat Treatment: Precision heat treated for optimal elastic performance High performance Belleville washer manufactured from premium spring steel and advanced heat treatment processes, ensuring stable preload, excellent fatigue life, and reliable performance in demanding motorsport applications.