Sealing set for Bosch system pressure regulator. Suitable for all Bosch K-Jetronic flow dividers. Including new spacers for adjusting the system pressure. Repair Kit for Bosch system pressure regulators. Suitable for all Bosch K-Jetronic Fuel Distributors. Select your version as seen on the picture. Included are shims for adjusting the system pressure. Delivered with assembly and adjustment instructions.