1945-1986 CJ Emissions | Quadratec

Crown Automotive Crankcase Breather for 78-90 Jeep CJ and Wrangler YJ

Crown Automotive PCV Valve Elbow for 81-90 Jeep CJ & Wrangler YJ with 4.2L Engine and 84-90 Cherokee XJ & Comanche MJ with 2.5L Engine

Crown Automotive Emissions Check Valve for 80-90 Jeep Vehicles