Race Tech Shock Spring - 8.1kg/mm - SRSP 552481

Through years of testing and manufacturing experience, Race Tech has developed a full line of Hi-Performance Springs using the finest materials and processes. RT Springs have the highest stiffness-to-mass ratio in the industry; making them extremely light weight for their particular rate.
Extremely accurate rates
The tightest tolerances in the industry
Heat-treated and Shot-peened
Preset to eliminate sacking-out
Extremely lightweight
Made in the USA