Positive Crankcase (PCV) Valve Elbow for Jeep 1981-1986 CJ-5, CJ-7, CJ-8 w/ 4.2L Engine, 1987-1990 YJ Wrangler w/ 4.2L, 1984-1990 XJ Cherokee, MJ Comanche w/ 2.5L Carbureted Engine, 1981-1986 SJ, J-Series w/ 4.2L Engine, Installed on Valve Cover, Sleeve Not Included