The Undisputed Leader In Drag Racing Technology. EK has been known as the “legend of drag racing chains.” In the drag racing community, EK is the only reliable choice for serious racers who desire to break records in any class.When it comes to drag racing, no other chain manufacturer can match EK’s record for dependability, strength and having the fastest chain in the world! From professional top fuel drag racers to local amateurs, everyone agrees EK is the only logical choice.