This pair of front springs are made in Italy with 52SiCrNi5 high quality steel in compliance with the UNI EN 10089 standard, they are longer than the original ones, reinforced with progressive effect and soft calibration.
These springs raise the vehicle by 10cm compared to the original trim and mount without any modification on all the Toyota LJ70 round headlight of any year, if you own a rectangular headlight Lj70 you have to purchase springs for Kzj.
They have a soft calibration optimized to give maximum performance off road but still perfectly suitable for road use thanks to characteristics of the variable pitch springs.
In the technical data sheet the operation of a variable pitch spring is explained.
The springs are built in Italy by a company certified by TÜV according to the UNI/ISO 9001:2015 standard.