When it comes to off-road performance and vehicle modifications, experience and innovation are the keys to success. That's why the partnership between McCormacks 4WD and JMACX is generating a buzz among avid off-roaders. With McCormacks' trusted name and 66 years of industry expertise combined with JMACX's pioneering coil conversions, this collaboration promises to take off-road enthusiasts to new heights of adventure and capability.
JMACX Upgrades Available
Toyota Landcruiser 70 Series
- Electronic Handbrake Conversions
- 3900 GVM Leaf Spring
- 4200 GVM Leaf Spring
- 3900 GVM Coil Conversion
- 4200 GVM Coil Conversion
- 4495 GVM Coil Conversion
Toyota Landcruiser 200 Series
- 3800 GVM Upgrade
- 4200 GVM Upgrade
Dodge Ram DS 1500
- 4200 GVM Upgrade
Toyota Landcruiser 300 Series
- 3800 GVM Upgrade
- 4200 GVM Upgrade
Ford Ranger
- 4200 GVM Upgrade
McCormacks 4WD x JMACX
McCormacks 4WD's team of highly skilled technicians is trained in the precise fitting and installation of JMACX suspension systems, ensuring perfect match and optimal performance.
With meticulous attention to detail, McCormacks guarantees that every modification is executed flawlessly, providing customers with a hassle-free experience and the peace of mind that their vehicle is in expert hands.
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What is a GVM upgrade?
Your vehicle’s Gross Vehicle Mass (GVM) is the maximum weight your vehicle can carry when fully loaded. Absolutely everything on your vehicle adds to the Gross Vehicle Mass and needs to be accounted for. This includes the vehicle itself, any load you’re carrying, fuel, accessories, and also any additional tow ball load from a trailer, camper, or boat. It’s important to understand that your vehicle GVM is not only a safety requirement, it’s a legal requirement as well. You’ll also notice that your vehicle won’t perform as well when driving close to the manufacturer’s factory GVM specification
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Why JMACX?
JMACX is the innovator and industry leader in coil conversions, 6×6, 4×4 suspension systems, and GVM upgrades for the ultimate vehicle. Giving you the strongest coil conversion on the market with full engineering and road legal in Australia for up to 4 inches of lift and 35-inch tires. With the GVM upgrade, this is the ultimate suspension upgrade for outback tourers, commercial vehicles, and the weekend warrior. Tested and proven in some of the world’s harshest conditions.