Formula 4x4 Suspension

Formula 4x4 leaf springs are designed and tested by Fulcrum Suspensions. 

Made by Australians for Australians! Engineered to tackle Australia’s harsh conditions, Formula leaf springs are perfect for trade vehicles, commercial vehicles and enthusiast 4WD’s.

Formula leaf springs are suited to carry a range of front and rear loads, from 50kg – 800kg loads and 20mm – 80mm heights. Providing both comfort and heavy-duty leaf spring options incorporating a range of special features, ensuring you get the right ride for your 4WD.



Special Leaf Spring Features Including; 

  • Oil quenched, hardened & tempered for maximum life.
  • Accurately heat treated for improved toughness for off road conditions
  • Inter-Leaf Graphite Coating - For further reduction of friction.
  • Manufactured from high grade Australian spring steel

We sell both Single Leaf Springs & Leaf Spring Kits



Formula 4x4 Leaf Springs in Action on Fraser Island


All Formula 4x4 leaf springs have been tested by Fulcrum Suspensions at their QA facility, workshops, on off road tracks, on cross country adventures and most importantly all Fulcrum’s 4x4 customers. Formula 4x4 leaf springs will help you tackle any Aussie task and adventure.

Made from Australian high-grade carbon spring steel (SUP9 & SUP9A) our leaf springs are built to perform. Formula leaf springs have been designed to tackle a range of specific applications. With inbuilt specific features to help them preform on and off road in any harsh condition. 

  • Precision mandrel & die-formed
  • Anti-friction pads in most applications
  • Pre-stressed to maintain ride height
  • Tapered Leaf Ends
  • Bolt Clip Liners - To reduce noise & friction.
  • Bolt Clips & Military Wraps - To prevent leaf spread & provide safety
  • Military leaf spring wrap for additional safety
  • Precision diamond cut ends
Formula 4x4 Leaf Spring Installation
'Formula 4x4 Leaf Spring kit being installed at Fulcrum Suspensions Springwood.'

Fulcrum suspensions highly recommends Formula leaf springs as we know the high degree of engineering, testing and manufacturing that goes into the leaf springs.Formula leaf springs are distributed nationally through our dealer network and are also sold globally through our export department as part of our complete kits.

We trust Formula 4x4 leaf springs so much that we use them as our main leaf spring for all repair and upgrade service jobs in store. We also supply all our lift kits (Bilstein, Formula & RAW) with Formula 4x4 Leaf springs.


Formula 4x4 In Action with 4WD Action

4WD Action, a popular outdoor adventure show was so interested in our Formula Lift Kits, including our leaf springs that they wanted to install a kit into Graham Cahill's  Isuzu D-max. The 4WD Action team drive on some of the hardest 4x4 tracks in Australia and have quite literally taken our Formula suspension setup around the whole of Australia. We have had raving reviews from Graham and rest of the 4WD Action!


Formula 4x4 Leaf Spring Warranty

All Formula 4x4 leaf springs come with a 3 year / 100,000 Km Warranty

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