Packaging: 1 Spring + 1 Nut
Spring for Yow System V4 S4
New 4mm S4 YOW spring for the V4 system. Spring with another round and with the "Peening Shot" treatment. Now the reinforced spring lasts up to twice the work with maximum performance. Shot blasting is a special technology for surface treatment with micro-sandblasting. The goal of this process is to increase the fatigue resistance of components subjected to strong stresses. Your Own Wave.