Custom Built Suspension for all Vehicles : The Ultimate Suspension

After Market 4WD Suspension and Lift Kits : 4 x 4 Lift Kits : 4wd Suspension Upgrade : 4 Inch Hi-Lux Lift Kits : 5 Inch Hi-Lux Lift Kits : 6 Inch Hi-Lux Lift Kits : Springs : Hi-Lift Springs : Custom Built Springs : Long Travel Springs and Shocks : Ultimate Lift : hi-Ridin : Ultimate Suspension Lift Kits : Smart Lift : Hi Lux Suspension : High-Lux Suspension : Hi-Lux Lift Kits : Raised Height Suspension : New Hi-Lux Lift : 4 x 4 Suspension and Lift Kits : Nissan 4x4 Hi Lift Suspension : Toyota Series Suspension Fix : Suspension Upgrades : Maxi Lift Suspension : 4 x 4 Lift Kits : Shocks :Shock Absorbers : Gas Shock Absorbers
After Market 4WD Suspension and Lift Kits : 4 x 4 Lift Kits : 4wd Suspension Upgrade : 4 Inch Hi-Lux Lift Kits : 5 Inch Hi-Lux Lift Kits : 6 Inch Hi-Lux Lift Kits : Springs : Hi-Lift Springs : Custom Built Springs : Long Travel Springs and Shocks : Ultimate Lift : hi-Ridin : Ultimate Suspension Lift Kits : Smart Lift : Hi Lux Suspension : High-Lux Suspension : Hi-Lux Lift Kits : Raised Height Suspension : New Hi-Lux Lift : 4 x 4 Suspension and Lift Kits : Nissan 4x4 Hi Lift Suspension : Toyota Series Suspension Fix : Suspension Upgrades : Maxi Lift Suspension : 4 x 4 Lift Kits : Shocks :Shock Absorbers : Gas Shock Absorbers
After Market 4WD Suspension and Lift Kits : 4 x 4 Lift Kits : 4wd Suspension Upgrade : 4 Inch Hi-Lux Lift Kits : 5 Inch Hi-Lux Lift Kits : 6 Inch Hi-Lux Lift Kits : Springs : Hi-Lift Springs : Custom Built Springs : Long Travel Springs and Shocks : Ultimate Lift : hi-Ridin : Ultimate Suspension Lift Kits : Smart Lift : Hi Lux Suspension : High-Lux Suspension : Hi-Lux Lift Kits : Raised Height Suspension : New Hi-Lux Lift : 4 x 4 Suspension and Lift Kits : Nissan 4x4 Hi Lift Suspension : Toyota Series Suspension Fix : Suspension Upgrades : Maxi Lift Suspension : 4 x 4 Lift Kits : Shocks :Shock Absorbers : Gas Shock Absorbers
After Market 4WD Suspension and Lift Kits : 4 x 4 Lift Kits : 4wd Suspension Upgrade : 4 Inch Hi-Lux Lift Kits : 5 Inch Hi-Lux Lift Kits : 6 Inch Hi-Lux Lift Kits : Springs : Hi-Lift Springs : Custom Built Springs : Long Travel Springs and Shocks : Ultimate Lift : hi-Ridin : Ultimate Suspension Lift Kits : Smart Lift : Hi Lux Suspension : High-Lux Suspension : Hi-Lux Lift Kits : Raised Height Suspension : New Hi-Lux Lift : 4 x 4 Suspension and Lift Kits : Nissan 4x4 Hi Lift Suspension : Toyota Series Suspension Fix : Suspension Upgrades : Maxi Lift Suspension : 4 x 4 Lift Kits : Shocks :Shock Absorbers : Gas Shock Absorbers
After Market 4WD Suspension and Lift Kits : 4 x 4 Lift Kits : 4wd Suspension Upgrade : 4 Inch Hi-Lux Lift Kits : 5 Inch Hi-Lux Lift Kits : 6 Inch Hi-Lux Lift Kits : Springs : Hi-Lift Springs : Custom Built Springs : Long Travel Springs and Shocks : Ultimate Lift : hi-Ridin : Ultimate Suspension Lift Kits : Smart Lift : Hi Lux Suspension : High-Lux Suspension : Hi-Lux Lift Kits : Raised Height Suspension : New Hi-Lux Lift : 4 x 4 Suspension and Lift Kits : Nissan 4x4 Hi Lift Suspension : Toyota Series Suspension Fix : Suspension Upgrades : Maxi Lift Suspension : 4 x 4 Lift Kits : Shocks :Shock Absorbers : Gas Shock Absorbers

Products by Vehicle Type
The Ultimate Suspension
Vehicle Make :

Ultimate Leaf Springs


The Ultimate Leaf Springs

The Ultimate Leaf Spring is a fully staged progressively laminated leaf spring.

This means that the length of each spring is proportioned to the length of the proceeding leaf, improving the characteristic of the spring.

SUP 9A grade spring steel is used exclusively, greatly increasing elasticity and memory as well as giving longer life and greater safety.

Each Ultimate leaf is treated in computer controlled furnaces giving precise heat control. This precision is required because high grade steel is less tolerant to variation in temperature (during manufacturing) than commonly used lower grade steels. The fully assembled springs are then subjected to a final test to ensure all leaves are seated and working as an effective unit. The test involves more than 800 deflections under extreme pressures.

Ultimate leaf springs are designed in a range for each vehicle. This provides a choice of spring to suit different vehicle loading and driver requirements. Springs are cambered to accommodate different loadings on the driver and passenger side of the vehicle. Final quality control inspectors mark spring indicating whether the camber is at the upper or lower level of its tolerance. This allows matched sets of springs and can be fine tuned for additional unequal vehicle loading.

Spring rates are matched with appropriate shock absorbers from the “Ultimate” range according to the specific vehicle application.

The System materials, design and manufacturing techniques which are “The Ultimate” leaf spring give you the assurance of performance and safety backed by The Ultimate Suspension's unique Life Time Warranty (Conditions Apply).

For over thirty five years The Ultimate Suspension has set the standards by which all aftermarket 4WD suspensions are judged. Features shown here are only a selection of the many incorporated in the innovative design which make The Ultimate Suspension systems true to their name.

  • Spring eyes fitted with steel sleeves where applicable, which reduces wear on bushes
  • Specially designed Spring Eye Gap Return reduces stress during main spring deflection
  • Leaves are diamond cut on friction edge allowing distribution of heat and friction over greater area, increasing life and efficiency
  • Heaves individually shot peened (stress relieved) then scragged (deflection tested) and preset
  • All leaves indiviually cambered according to their application
  • Available in both lineal and leav variable staging
  • Available in a range of spring rates to suit individual applications
  • Lifetime Warranty (Conditions Apply)




The Ultimate Suspension Logo The Ultimate Suspension
2 Noonan Road
Ingleburn   NSW   2565
Ph: 02 9618 7674
Int: +612 9618 7674
Fax: 02 9603 7249


After Market 4WD Suspension and Lift Kits : 4 x 4 Lift Kits : 4wd Suspension Upgrade : 4 Inch Hi-Lux Lift Kits : 5 Inch Hi-Lux Lift Kits : 6 Inch Hi-Lux Lift Kits : Springs : Hi-Lift Springs : Custom Built Springs : Long Travel Springs and Shocks : Ultimate Lift : hi-Ridin : Ultimate Suspension Lift Kits : Smart Lift : Hi Lux Suspension : High-Lux Suspension : Hi-Lux Lift Kits : Raised Height Suspension : New Hi-Lux Lift : 4 x 4 Suspension and Lift Kits : Nissan 4x4 Hi Lift Suspension : Toyota Series Suspension Fix : Suspension Upgrades : Maxi Lift Suspension : 4 x 4 Lift Kits : Shocks :Shock Absorbers : Gas Shock Absorbers
The Ultimate Suspension Products
After Market 4WD Suspension and Lift Kits : 4 x 4 Lift Kits : 4wd Suspension Upgrade : 4 Inch Hi-Lux Lift Kits : 5 Inch Hi-Lux Lift Kits : 6 Inch Hi-Lux Lift Kits : Springs : Hi-Lift Springs : Custom Built Springs : Long Travel Springs and Shocks : Ultimate Lift : hi-Ridin : Ultimate Suspension Lift Kits : Smart Lift : Hi Lux Suspension : High-Lux Suspension : Hi-Lux Lift Kits : Raised Height Suspension : New Hi-Lux Lift : 4 x 4 Suspension and Lift Kits : Nissan 4x4 Hi Lift Suspension : Toyota Series Suspension Fix : Suspension Upgrades : Maxi Lift Suspension : 4 x 4 Lift Kits : Shocks :Shock Absorbers : Gas Shock Absorbers
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