The stock valve cover sealing washers for the 4A-GE and 4A-GZE tend to get dry and brittle as they age. Most MR2s still on the road have oil all over the valve covers because the sealing washers no long seal.
Take back your engine compartment and stop those leaks with a set of Neoprene bonded stainless steel sealing washers.
What you get:
8 replacement sealing washers -
Neoprene bonded to Stainless Steel