SET OF 2.. N.O.S CASTLE NUT 321B0800. .. FROM 70,s STOCK...USED ON W1, W2, A1 & A7,s..FOR HYDRAULIC STEERING DAMPER MOUNTING & KZ & Z1000-A/B/C SERIES, KZ & Z900-B1 & KZ & Z750-B SERIES ON REAR BRAKE PEDAL/MASTER CYLINDER . Will Combine .. Cab1 R2..