All 4AGE engines possess the same exhaust port posture and just the 20v engine incorporates a variation Along with the mounting experience. That difference staying that about the 20v The 2 outer holes are put even further outwards that its 16V equivalent. Along with the 20v engines easily attaining attractiveness https://simonabbaa.blogdemls.com/31194522/the-basic-principles-of-4age-20v-for-sale