Great news – on this purchase, you'll enjoy a BuildBUX bonus of $1.34.
Regular Price: $149.00 - Instant discount: $14.90 = $134.10
Product Fitment:
2013-2026 Subaru BRZ
2017-2026 Toyota 86
2013-2016 Scion FR-S
2015-2026 Subaru WRX
2015-20221 Subaru STI
Upgrade your suspension with SPL’s Rear Knuckle Bushings, replacing the factory rubber with maintenance-free, PTFE-lined spherical bearings. This eliminates deflection under hard acceleration and braking, improving throttle response, braking stability, and driver feedback. Housed in precision-machined 6061-T6 aluminum, they offer reduced wheel hop and long-lasting performance.
Key Features:
Replaces OEM rubber bushing with PTFE-lined FK spherical bearing
Improves throttle/braking response and steering feedback
Reduces wheel hop and unwanted suspension movement
Lightweight: 0.674 lbs total (0.337 lbs per side)
Precision-machined 6061-T6 aluminum housing
Moderate NVH increase; ideal for performance setups
Best when combined with performance shocks and compliant tires to manage NVH.
Installation Instructions
SPL GR86/BRZ/GT86/FT86/WRX Knuckle Bushing Install Instructions
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