Engine valve lifter anti-rotation device

The invention discloses an engine valve lifter anti-rotation device. According to the invention, an engine roller lifter for use in a valve train of an internal combustion engine includes a body, an anti-rotation device and a clip. The body can have an outer peripheral surface configured for sliding movement in a bore provided in the engine. The body can define a receiving channel formed in the outer peripheral surface. The body can further define a slot formed at the receiving channel. The anti-rotation device can include a guide plug received in the receiving channel of the body. The guide plug can extend outwardly from the outer peripheral surface of the body. The guide plug can be configured to locate into a bore slot defined in a cylinder head of the internal combustion engine. The clip can be received by the slot and captured the guide plug in the receiving channel. 种用于内燃式发动机的气阀机构中的发动机滚子提升器包括主体，防旋转装置和夹子。所述主体可以具有配置成用于设在所述发动机中的孔中的滑动运动的外周边表面。所述主体可以限定形成于所述外周边表面中的接收通道。所述主体还可以限定在所述接收通道处形成的槽。所述防旋转装置可以包括接收在所述主体