Rubber Washer - Rocker Cover - Mitsubishi GTO/3000GT There are 9 of these on each rocker cover so 18 required to do both Rocker Covers If you have oil around the bolts then these are likely to be perished.
Choose from RoadNutz Stainless or Genuine Mitsubishi Discount on buying a Full Set of RoadNutz Stainless Mitsubishi Part Number MD327253