Polyurethane S/R/Z Chassis Rear Knuckle Bushes (pair) Engine Mounts If you're running an engine

If you're running an engine that sits further back then the cross member most likely won't work

30mm for the lower diameter and 40mm for the knurled diameter

have CNC machined ends and the main body is laser cut and bent from 4130 Chromoly Steel

5" pipe and includes the 2x custom bends to run through the factory radiator support (without the need for cutting)

- CNC machined ends

Polyurethane S/R/Z Chassis Rear Knuckle Bushes (pair) Engine Mounts If you're running an engineThe GKTECH Polyurethane rear knuckle bush replacements were designed to replace the OEM upper arm bushes on the knuckle. These are required when removing the ball joint from a HICAS equipped knuckle. However, after an update these bushes can also be used to replace the OEM rubber bushes for camber and traction arms (Subframe side). NOTE: Sold as a pair (ie. 2pcs) NOTE 2: Cannot be used on the OEM S14 S15 R33 R34 toe arms (Subframe side)