GKTech Rear Knuckles for Toyota GT86

GKTech Rear Knuckles Specifications

With over 8 years of combined development and more than 1,000 pairs of S and Z chassis knuckles sold, GKTECH now offers rear knuckles for the Toyota GT86 / Subaru BRZ, delivering a wide range of features designed to transform the vehicle’s handling characteristics.

Upgrading the rear suspension with these knuckles allows the vehicle to fully unlock its performance potential. Precision engineered and built for high-performance applications, they provide a premium solution for demanding drivers.

• 40 mm drop upright with 25 mm roll center correction to restore suspension geometry on lowered vehicles
• Optimized camber characteristics for more even tire wear
• Optimized bump steer characteristics to generate toe-in under compression without relying on OEM arm elastokinematics
• Dual caliper brackets for hydraulic handbrake setups (compatible with Brembo, GT, and GTS calipers)
• Constructed from high-strength 4130 chromoly steel for maximum rigidity
• Lightweight design optimized using finite element analysis
• Total assembled weight of 3.9 kg (compared to 6.9 kg for OEM knuckles)
• Retains compatibility with the OEM handbrake system
• Integrated provision for the OEM ABS sensor to maintain ABS compatibility
• High-quality PTFE-lined spherical bearings fitted as standard (Part Number: COM10T)

Installation notes:

• The use of high-clearance aftermarket rear upper control arms is strongly recommended (OEM upper control arms would require significant clearance modifications).
• The OEM handbrake backing plate must be retained to ensure correct caliper-to-rotor alignment.
• The OEM dust shield will require trimming to allow installation of dual calipers.
• A minimum wheel size of 17 inches is required.