(Used) 1984 GM 4.3, ENGINE ASSEMBLY- Displacement: 4.3L Horsepower: 190 ESN: 4380BLAC ECS: EGR, OC, HO2S For more information about this item, give us a call. We ship worldwide! (CRG HEAVY TRUCK PARTS) 929 W PULASKI HWY, ELKTON, MD 21921