300-lb Spring replaces a 9-leaf stock spring and rides very soft .
330-lb. Spring can be used on any 1963-1982 small block for great ride and handling. Not as harsh as a Gymkhana 7-leaf stock steel spring. Ideal for combining with GT front coil springs.
360-lb. Spring is known as the Street/Slalom spring. Recommended for all big blocks and those who want greatly enhanced handling. A high-performance spring that gives a better ride than 7-leaf steel with far superior handling. Ideal for use with SS front coils or front transverse leaf spring.