SPL Parts replaces the soft factory rubber bushing with a low-friction, PTFE-lined FK spherical bearing, eliminating deflection and bind under load to hold suspension geometry, sharpen response, and improve feedback. CNC-machined 6061-T6 aluminum housings; sold as a pair. Made in the USA. Rear knuckle shock-mount monoball bushings; 3/4in FK bearings. Shock-mount bushings only (also included in SPL's full rear knuckle kits).
| Type | Rear knuckle shock mount bushings |
| Position | Rear |
| Bearing | 3/4in FK spherical, PTFE-lined |
| Part Number | SPL RKS Z33 |
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2008 | Nissan | 350Z | Base |
| 2009-2020 | Nissan | 370Z | Base |
| 2003-2007 | Infiniti | G35 | Coupe |
| 2003-2008 | Infiniti | G35 | Sedan |
| 2008-2013 | Infiniti | G37 | Base |
| 2014-2015 | Infiniti | Q40 | Base |
| 2014-2020 | Infiniti | Q60 | Base |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
