Welcome to Jmacx
JMACX is the innovator and industry leader when it comes to coil conversions and GVM upgrades for the ultimate Landcruiser. Giving you the strongest coil conversion on the market with unrivalled stability and handling.
GVM upgrades, with the highest axle load rating in Australia, allowing you to practically load and use the full potential of the GVM upgrade in your vehicle.
With hundreds of conversions done in commercial, military, outback tourers and work vehicles, combined with millions of kilometres driven in some of the worlds harshest conditions, this patented kit has proven itself to go above and beyond. No wonder it is the worlds number one trusted coil conversion and Australia’s only bolt in conversion.