OP Coil springs play a key role in car suspension system since: they balance the car by sustaining the weight and absorbing road vibrations and they ensure a longer life to shock absorbers and the whole suspensions system, keeping the right contact between tyres and road.
Features and checks held on the product complies with the OE standards:
- Raw materials and processes can be tracked and are certified in each step of production;
- 55CrSi Harmonic Steel and the diameter of the spring wire match with the OE standards;
- Hot coiling technology; Powder ink spraying and high temperature solidification thickness;
- Thickness and coating tests + salt spray test to check corrosion resistance of the spring.