Bringing a combined 8 years of development and selling over 1,000 pairs of S and Z chassis knuckles, we bring you our 86/BRZ rear drop knuckle providing a range of features that will transform your driving experience.
The 40mm drop knuckle is specifically designed to accommodate lowered cars, including 25mm of roll center correction; this ensures optimal suspension geometry and improved handling. An optimized camber curve ensures even tire wear along with optimized bump steer which when used with our relocated traction arm results in toe-in under both compression and extension, providing you with increased corner exit grip and more consistent handling.
Includes a provision for dual calipers to run a hydraulic handbrake and whether you have Brembo, GT, or GTS calipers, our knuckle is fully compatible. We understand the importance of retaining the OEM handbrake assembly and ABS system, which is why our knuckle is designed to seamlessly integrate with them without any compromises.
Crafted from high-strength 4130 chromoly steel using a sheet metal design, our knuckle offers unrivaled strength and durability. Extensive finite element analyses have been conducted to optimize its lightweight construction, resulting in a fully dressed weight of just 3.9kg, significantly lighter than standard knuckles at 6.9kg. This reduces unsprung weight, improves handling, and increases overall performance. These knuckles utilise common sized high quality PTFE lined bearings which reduce OEM bushing elastokinematics and are easily replaceable and affordable (QA1/FK part #COM10T)
Upgrade your vehicle's rear suspension with our rear suspension knuckle and unleash the full potential of your car. Engineered with precision, built for performance, and designed to exceed your expectations, this knuckle is the ultimate solution.
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40mm drop knuckle and 25mm roll centre correction - to correct geometry on lowered cars
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Optimised camber curve for more even tire wear
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Optimized bump steer for toe-in under compression without OEM arms' elastokinematics
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Dual caliper brackets for hydraulic handbrake (Compatible with Brembo, GT and GTS calipers)
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Sheet metal design constructed from high strength 4130 chromoly steel for ultimate strength
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Lightweight design optimized using finite element analyses - fully dressed weight 3.9kg vs standard knuckle 6.9kg
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Retains the ability to run the OEM handbrake assembly
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In built provision for OEM ABS sensor to retain ABS system compatibility
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High-quality PTFE lined spherical bearings throughout as standard, common bearing size so replacements are easy to get and affordable (QA1/FK part #COM10T)
INSTALLATION NOTES:
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Aftermarket high clearance rear upper control arm required strongly recommended (OEM upper control arm would require significant clearance modifications)
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OEM Handbrake plate must be retained to ensure correct caliper to rotor offset
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OEM dust shield will require trimming for dual calipers
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Minimum 17" wheels required
