SPL FKS Rear Upper Arm Monoball Bushings Nissan 350Z / 370z / Infiniti G35 / G37 Crosstrek_2018-2023 and real-world performance gains

and real-world performance gains

Requires upgraded valve springs

Increased torque capacity over stock is 44%

1hr at 482 degrees F (250 degrees C)

SPL FKS Rear Upper Arm Monoball Bushings Nissan 350Z / 370z / Infiniti G35 / G37 Crosstrek_2018-2023 and real-world performance gainsPart #: SPL RUAB Z33 Our SPL FKS monoball bushings for the rear upper control arms replace the stock mushy rubber bushings with low friction articulating spherical bearings, eliminating bushing flex and reducing bind friction. This maintains optimum suspension geometry under load, to improve handling and feedback. SPL monoball bushings feature FK racing bearings with a self lubricating Teflon liner for long life and maximum performance. Highly precise