You will find mainly two configurations over the 4A-G cylinder block with a few slight versions While using the 5 vale versions. In all conditions they may have these attributes in typical. The cylinder block over the 4A-G is made of Forged iron alloy. There are actually 5 main bearings https://ricardoptpoj.amoblog.com/everything-about-4age-blacktop-for-sale-48506112