RV FEATURE
The two parabolic springs look the same except for the additional leaf in the four-pack .
They ’ re also much lighter than traditional leaf packs and available in a few different sizes . The lightest parabolic pack has three leaves , with a mid-range pack having four . A military-spec heavy-duty pack , which has five leaves , has now become available as well .
All parabolic packs are lighter and thinner in width compared to a 10 / 12 multi-leaf pack , so there ’ s a ground clearance benefit as well .
OUR PARABOLIC SPRINGS EXPERIENCE
After deciding to change out the traditional leaf rear suspension on our dual cab Land Cruiser , we initially fitted a three-leaf parabolic pack . We noticed the improvement immediately after leaving the fitment centre . The ride was smoother over minor road imperfections because of the interleaf flexing . But the big test came when we did a 10,000km run on bitumen , sand , dirt , and rocks , all while towing . We travelled from South Australia to the Kimberley via the Buchanan Highway , the Gibb River Road and then through the Great Sandy and Gibson deserts across a variety of terrains .
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