Home / Brake Parts / O ring for 30-9 Mil Spec (for hydraulic fluid) “Brake unit for Kobold 5″ with shoes and springs.” has been added to your cart. View cartO ring for 30-9 Mil Spec (for hydraulic fluid)$27.00In stock (can be backordered) O ring for 30-9 Mil Spec (for hydraulic fluid) quantity Buy now Buy with SKU: 75834 Category: Brake Parts Product ID: 2257Related products Brake unit for Kobold 5″ with shoes and springs. $620.00 Buy now Brake shoes and springs Kobold $196.00 Buy now Gasket set for master cyl type 6+7 for DOT4 fluid with mount tool and paste $81.00 Buy now