You can find in essence two configurations on the 4A-G cylinder block with a few minor versions Along with the 5 vale versions. In all cases they've got these properties in popular. The cylinder block on the 4A-G is product of cast iron alloy. There are actually five key bearings https://toyota-4age73715.bloggosite.com/32985403/the-best-side-of-blacktop-20v-4age