The chassis itself has also come in for some attention with a 10 mm lower ride height and stiffer spring rates. (evo.co.uk)
Overall lateral suspension stiffness has been increased by 30 per cent front and rear, with front and rear spring rates increased by the same amount. (ausmotive.com)
We will determine final front spring rate once we have the entire truck built so we know how much weight the springs must support. (fourwheeler.com)