Eibach produces springs of the highest precision, repeatability and quality. They provide springs for the world's greatest race teams, including NASCAR, Formula 1 and LeMans. Eibach is now producing a spring specifically for Quarter Midgets, and they are available in rates from 70# to 155# in 5# increments. NOTE TO FSAE MEMBERS: Please e-mail us at CustomerService@aargear.com to obtain special pricing. Include your school name and contact information.