You can find fundamentally two configurations to the 4A-G cylinder block with some slight versions with the 5 vale variations. In all cases they may have these traits in prevalent. The cylinder block on the 4A-G is made from Solid iron alloy. There are actually 5 most important bearings held https://cruzjoaxv.ttblogs.com/6229710/getting-my-4age-for-sale-to-work