Tein Straight Spring 10KG ID 65mm Free Length 175mm (Pair)

Tein is a well-known name in performance suspension, and these straight coilover springs are a solid option if you're looking to tune your ride's stiffness. This pair is rated at 10 kilograms per millimeter (10KG), which is a fairly common spring rate for performance applications, offering a noticeable increase in stiffness over stock springs without being overly harsh for daily driving. They have an inner diameter of 65mm and a free length of 175mm, making them compatible with many coilover systems that use these specific dimensions.

These springs are constructed from durable steel, built to withstand the rigors of spirited driving and track use. The straight wound design ensures consistent spring rate across its entire length, providing predictable handling characteristics. When installing, ensure your existing coilover bodies are designed to accept a 65mm inner diameter spring and that the overall length is compatible with your vehicle's suspension geometry. This pair is sold as a set of two, allowing you to replace springs on one axle for a balanced feel.