Home / Focus / Focus RS MK1 / Fuel System Fuel System Showing products 1 to 2 of 2 Sort by:Most popularWhat's newPrice low to highPrice high to lowName A to ZName Z to A Ford OE Fuel Injection Filter | Ford Focus RS MK1 £36.10 £30.08 (ex. VAT) Walbro Electric In Tank Fuel Injection Pump | Ford Focus RS MK1 £69.95 £58.29 (ex. VAT)