You'll find mainly two configurations about the 4A-G cylinder block with a few minor versions Using the five vale variations. In all cases they've these properties in typical. The cylinder block to the 4A-G is made of cast iron alloy. You will discover five key bearings held with two bolts https://toyota-4age-blacktop-engi92581.win-blog.com/6419600/the-best-side-of-blacktop-20v-4age