All 4AGE engines provide the exact same exhaust port place and just the 20v engine provides a variation Along with the mounting experience. That distinction remaining that about the 20v The 2 outer holes are area additional outwards that its 16V equal. With all the 20v engines quickly gaining attractiveness https://4ageblacktopforsale58158.angelinsblog.com/30734828/5-easy-facts-about-toyota-4a-ge-described