Rocker Covers: 1987 + V8 Aluminum - RH BreathersThese have the RHS breather hole. and are the Elite Series valve covers which feature polished aluminum, polished fins on black background, and the famous Edelbrock script. These have the 4 bolt hold downs in the CENTER of the cover.. NOT to the sides. Standard Height. They are actually a beautifull part.. if you like focal point parts.. this is one of them. In 2020 they have been in short supply but check if really needing them or send an email