Tokico HP Performance Suspension Kit. Tokico HP Blue Shocks/Springs Suspension Kit takes the guesswork out of having the right suspension combination. With matched spring rates lowering springs and proper ride height insure proper fit and function, practical for real-world street performance and for the race track. Tokico performance lowering springs are manufactured with chrome silicon spring alloy and are heat treated, block set, phosphate treated, and powder coated and also carries the same Tokico lifetime warranty. Tokico Illumina Suspension Kit comes complete with 4 shocks and 4 springs to deliver the ultimate combination of handling, ride quality.