Material: Cast Iron Thread Size: 10 x 1 International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. for article number: E 06 001 All Brembo clutch slave cylinder are subjected to strict operating, seal (hydraulic and pneumatic) and durability tests. All clutch slave cylinders from the Brembo range are subjected to rigorous operation and tightness tests (in terms of hydraulics and pneumatics) and load tests.