SPL FKS Rear Upper Arm Monoball Bushings Nissan 350Z / 370z / Infiniti G35 / G37 Crosstrek_2018-2023 Increased torque capacity over stock

Increased torque capacity over stock is 44%

Part #: HB545B

Sold as 12 oz

All these components work in conjunction to achieve the low and high speed compression on the race coilover

It’s commonly used in turbocharged Civic Si builds

SPL FKS Rear Upper Arm Monoball Bushings Nissan 350Z / 370z / Infiniti G35 / G37 Crosstrek_2018-2023 Increased torque capacity over stockPart #: 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