There's a lot riding on your springs-literally. Springs are your car's connection to the ground, and their performance is directly related to all other suspension components. Inconsistent, weak springs can cause a multitude of handling problems , and, in some cases, dangerous situations. When it comes to choosing coil springs, there are many alternatives, but if you want the best you can get, the choice is clear: CHOOSE AFCOILS. All AFCOILS carry a lifetime warranty to remain within 2% of the original nominal free height. Choose your rate. Fits 1973 Chevelle/Malibu; 1973-1988 Monte Carlo, Cutlass, Regal, Grand Prix; and 1970-1992 Camaro. Coil spring is machine-ground on both ends to tolerances within 1 degree and then pressed to solid height and "pre-set" to eliminate any potential for additional set. Optimized material thickness and coil spacing to achieve the best possible design for each rate and height of spring in the product line. Super-high tensile strength chrome silicon wire for long life and and a consistent rate. Springs are cold wound on the latest automated coiling equipment and heat treated twice during manufacturing to withstand the most abusive conditions. To enhance durability, AFCOILS are shot-peened and coated with a durable finish. Black finish to be stock appearing. 11 " tall - spacers not necessary. Fits most street stocks that require 5-1/2 " springs. Rates specifically for racing. Black finish to be stock appearing. 11 " tall - spacers not necessary. Fits most street stocks that require 5-1/2 " springs. Rates specifically for racing.