Subaru WRX STI Suspension Knuckle Bushing Kit - Rear by SPL Parts for 2015–2027. Solid FK spherical bushings replace the factory rubber to deliver precise articulation and consistent performance.

By removing deflection during hard acceleration and braking, these bushings help keep geometry stable and prevent binding as the knuckle articulates. Feedback sharpens and response improves. 6061‑T6 aluminum housings are CNC machined and paired with the largest FK bearing for longevity and controlled NVH. Machined to +/-0.001 in for proper fit.

Features

• PTFE-lined FK spherical bearings, maintenance-free, US made
• 6061‑T6 aluminum shells, +/-0.001 in precision
• 0.674 lb pair, 0.337 lb per side
• Quicker throttle and braking response; less wheel hop
• Rear knuckle fitment for 2015–2027 WRX and WRX STI

Questions or planning a build? Call our Austin, Texas shop at 512-982-9393 or our Los Angeles, California area team at 562-981-6800. We offer installation and customization at both locations.

Purchasing multiple items? Contact us for shipping discounts.

We install on premises at both locations.

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