4AG的缸体本身有着很差的结构完整性。主轴承盖容易变形，之后就会影响轴承的寿命，最终会导致引擎高转速下的损毁。一个刚性更好的油盘可以部分解决这个问题。 wonderful guys, been handling JJSmotorsport for approximately 4 years and they've got often occur via for me. Constantly wonderful service and excellent warranty on all their items. The very first-generation 4A-GE which was launched in May... https://saeedq974kkj0.law-wiki.com/user