K-TECH HIGH PERFORMANCE SHOCK SPRING K-Tech shock springs are manufactured from the highest grade Chrome Silicone wire, each spring is cold coiled, heat treated, pre-set and ground to length. Phosphate coating is then applied to protect against corrosion and then powder coated before the part number is applied. All springs are manufactured to DIN 2095 grade1. Cold coiled Heat treated Tempered Shot peened Ground ends Zinc phosphate coated Epoxy powder coated Part number printed KTM 250SX-F 2023 350SX-F 2023 450SX-F 2023 250SX 2023 300SX 2023 125SX 2023 250XC 2023 125XC 2023 FC350 2023 FC250 2023 450XC-F 2023 250XC-F 2023 350XC-F 2023 300XC 2023 250SX-F Factory Edition 2022.5 2023 Husqvarna FC450 2023 TC125 2023 TC250 2023 FC250 Heritage 2023 FC350 Heritage 2023 FC450 Heritage 2023 TC125 Heritage 2023 FX350 2023 FX350 Heritage 2023 TX300 Heritage 2023 TX300 2023 FX450 2023 FC250 Rockstar 2022.5 2023 TC250 Heritage 2023