Say Goodbye to Harsh Rides and Heavy Springs
Are you tired of the rough, uncomfortable ride that comes with traditional leaf springs? Imagine a suspension system that not only carries heavy loads with ease but also provides a smoother and more comfortable ride. It might sound too good to be true, but it's a reality with Formula 4x4 Parabolic Leaf Spring Kits, now available in store and online.
Formula 4x4 Parabolic Leaf Spring Kits are designed to fit a range of popular vehicles, ensuring you get the best performance and compatibility. The current Formula 4x4 Parabolic Leaf Spring range includes the below at 50mm lift:
- FLSKIT-004P: Foton Tunland (2012 onwards) – 400kg
- FLSKIT-004P: Toyota Hilux KUN26/GGN25 (2005 to 2015) – 400kg
- FLSKIT-105P: Toyota Hilux/Hilux Rogue/GUN/GGN (2015 onwards) – 500kg
- FLSKIT-195P: Toyota LandCruiser 78/79 Series (2007 onwards) – 400kg
- FLSKIT-115P: Toyota LandCruiser 79 Series (1999 to 2006) – 400kg
What Makes Parabolic Leaf Springs Special?
Revolutionary Design for Enhanced Performance
Parabolic leaf springs are designed with a taper, thicker at the centre and thinner towards the edges, allowing for even load distribution across the spring. This design is akin to a satellite dish, reflecting load evenly and providing a significantly more comfortable ride, especially under heavy loads.

Superior Load Carrying Capacity
Despite their lighter weight and fewer leaves compared to conventional leaf springs, parabolic springs can handle heavy loads effectively. For instance, a set of 500kg rated parabolic springs for a Hilux is much lighter yet more efficient than a 200kg rated conventional spring. This is achieved through Formula 4x4’s optimised design that ensures durability and performance without the extra bulk.
Lighter Unsprung Mass for Better Control
One of the standout benefits of parabolic leaf springs is their reduced weight. In a comparative test, 79 series 500kg rated conventional leaf springs weighed 55kg each, while the parabolic equivalents weighed only 31kg each. This significant weight reduction translates to a total saving of 48kg on the rear end of your vehicle, crucial for reducing unsprung mass and improving vehicle control.
Key Benefits of Formula 4x4 Parabolic Leaf Springs
- More Flexible Load Carrying Capacity: Parabolic leaf springs adjust to varying loads more effectively than traditional springs.
- Lighter Unsprung Mass: Reduced weight helps improve vehicle handling and performance.
- Enhanced Ride Comfort: Experience a smoother ride thanks to the even load distribution and reduced friction.

Why Choose Fulcrum Suspensions?
At Fulcrum Suspensions, we are dedicated to providing top-notch products that enhance your driving experience. Formula 4x4’s Parabolic Leaf Spring Kits are designed to meet the highest standards of quality and performance, ensuring you get the best value for your investment. You can also get it fitted by us at any of our 160+ Fulcrum Authorised Workshops.

Ready to Upgrade Your Ride?
If you're ready to upgrade your vehicle's leaf sprung suspension system with Formula 4x4’s Parabolic Leaf Spring kit, message us by clicking the below chat icon or call us on 1800 385 278 for more information. Our experts are here to help you choose the right leaf springs for your vehicle and answer any questions you might have. Don’t wait, enhance your driving experience today!
Frequently Asked Questions
A: Parabolic leaf springs are a type of leaf spring with a tapered design, providing better load distribution and a smoother ride compared to traditional leaf springs. They also weigh lighter than traditional leaf springs.
Q: How do parabolic leaf springs compare to conventional leaf springs?
A: Parabolic leaf springs are lighter, have fewer leaves, and offer better load handling and ride comfort. They also generate less friction and noise.
Q: Can parabolic springs handle heavy loads?
A: Yes, despite their lighter weight, parabolic springs are designed to carry heavy loads effectively, making them ideal for various vehicles.
Q: Is Formula 4x4 releasing more Parabolic Leaf Springs for other vehicles?
A: Yes, Formula 4x4 is slowly releasing Parabolic Leaf Springs for the below vehicles which will be available on our website soon.
- FLS-004P: Toyota Hilux N70 - 500kg
- FLS-006P: Ford Ranger PX & Mazda BT-50 UR – 300 to 500kg
- FLS-011P: Holden Rodeo RA - 300kg
- FLS-013P: Mitsubishi Triton ML/MN - 300kg
- FLS-015P: Nissan Navara D40 - 300kg
- FLS-019P: Nissan Navara D22 - 500kg
- FLS-021P: Isuzu D-Max & Holden Colorado RG - 300kg
- FLS-026P: Isuzu D-Max & Holden Colorado RG - 500kg
- FLS-032P: Toyota LandCruiser 79 series - 700kg
- FLS-119P: Mitsubishi Triton MQ - 400kg
- FLS-150P: Isuzu D-Max RG01 & Mazda BT-50 - 500kg
- FLS-155P: Ford Ranger PY & Volkswagen Amarok - 500kg

For more detailed information and to see the Formula 4x4 Parabolic Leaf Springs in action, check out our latest YouTube video above.
Feel free to leave your questions in the comments section of the video or contact us directly through our website. Upgrade to Formula 4x4 Parabolic Leaf Spring Kits and experience the difference today!
