Maximize the performance of your 2015–2021 Subaru WRX STI with Swift Spec-R Springs. These high-performance lowering springs improve cornering response, reduce body roll, and provide a more aggressive stance—all while keeping street comfort intact.
Part # 4F914R
Spring Rate – Front: 6.3 kgf/mm | Rear: 7.4 kgf/mm Drop – Front: -1.0 in | Rear: -1.0 in
Engineered specifically for the VA-chassis Subaru WRX STI, Swift Spec-R Springs are built for enthusiasts who demand sharper handling and track-capable suspension performance.
