Kawasaki ZX6R Motorcycle Stands & Trailer Restraint Systems
Kawasaki is notorious for the outside of their axles mushrooming which prevents the TRS pins from fitting properly.
The new axle that the KP pins was designed for supersedes the old axle that the E pins were used for. IF someone says their axle is not mushroomed, ask if they replaced the axle at any point. The KP pins *might* be the answer.