There are mainly two configurations about the 4A-G cylinder block with some minor variations Together with the five vale versions. In all scenarios they've these attributes in widespread. The cylinder block about the 4A-G is product of Forged iron alloy. You will discover five key bearings held with two bolts https://4age20v36667.dm-blog.com/26820585/helping-the-others-realize-the-advantages-of-4age-20v-itb