There are actually basically two configurations around the 4A-G cylinder block with some minor versions While using the five vale variations. In all cases they may have these traits in typical. The cylinder block to the 4A-G is fabricated from cast iron alloy. You can find 5 most important bearings https://blacktop4age69751.dreamyblogs.com/27127579/4a-ge-engine-for-sale-things-to-know-before-you-buy