I bought it from Perth4x4"]http://www.perth4x4.com.au/ a few weeks ago. I can't remember exactly how much, it it was around the $500 mark. They are meant to be a lot stronger than the lokka auto-lockers, and a mate who helped me fit it (or did fit it ) has got a lokka one and he confirms that the springs/pins are much more robust in the spartan