All Models Brake Caliper Bleed Screw Rubber Caps - Set of (4)
Fits almost all Mercedes ever made with disc calipers
64 220se coupe bogs at full throttle and seems to run a little ruff at other times. when it does bog it sort of feels like it dies for a second or 2. i'm not at all familiar with this old fi system either. it doesn't backfire. the rest of the performance seems ok.