Valve Guide (Intake) - Standard (9 X 14 X 47.5 mm) for 560SEC (1986-1991), 560SEL (1986-1991), 560SL (1986-1989), 380SE (1984-1985), 380SEC (1982-1983), 380SEL (1981-1983), 380SL (1981-1985), 380SLC (1981), 420SEL (1986-1991), 450SE (1973-1976), 450SEL (1973-1980), 450SL (1973-1980), 450SLC (1973-1980), 500SEC (1984-1985), 500SEL (1984-1985), 280SE (1970-1973), 280SEL (1972-1973), 300SEL (1970-1973), 350SL (1972)