This is our RCJS Short Quick steer plate for JS 440, 550. Increases steering ratio, improves handling. This plate is 1-1/2 inches shorter than the stock plate, moving the handle bars forward allowing you get get more forward in the tray.* Will not fit 550SX.* Please email with any questions before ordering, thank you.*

You can see here;

https://www.watcon.com/steer-plate-550