Let us take the guesswork out for you and supply you with a proven spring package for your chassis. A shock package wont fix a spring problem, and a spring package wont fix a shock problem. Our shocks are built to work with the supplied spring rate for your car and vice versa.
Spring lengths/diameter based on chassis:
D&R, Hotrod, B&B, and JT Chassis will receive 1-7/8 diameter X 10" long for both front and rear.
M&M and DG Chassis will receive 1-7/8 diameter x 10" long in the front, and 2-1/2" diameter x 12" long in the rear.