As part of our rebuild kit portfolio for a Bosch fuel metering Distributor to fit 4 cylinder engines. Need to find out if this kit fits your car?Mr.K Jet Classic Bosch Search Tool - mrkjet.com You do not need any special tools to rebuild these fuel distributors & instructions are available from the a link provided.WE SHIP WORLDWIDE Within the kit; x1 Stainless Steel Plunger Spring (SS010A) As you can see, this kit is an ideal upgrade or direct replacement to the original parts.