Swift Spec-R Lowering Springs - 2015-2021 Subaru STI

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.

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