~ Pair of New Forged and CNC machined Steel super angle knuckles ~ Compatible with stock control arms for a simple street setup or our Limit Break control arms for a complete professional level steering angle kit ~ Quicker steering ratio gives up to 70 degrees of steering angle when using supporting angle kit parts ~Adjustable ackerman settings using included eccentric plates on tie rod connection. 25mm roll center correction/drop ~ Increases negative camber and KPI ~ 12mm trailing spindle design allows a lower caster setting while retaining steering self steer. ***INSTALL NOTES: Trailing spindle will move the wheels back 12mm. REcommended to use with our arms to reposition wheels forward. When installing these knuckles and limit break outer tie rods with OEM lower control arms, you will need to use RX8 inner tie rods on 04/94+ model year, or our MAX SHORT inner tie rods (ITRS) sold in the 350Z section of our website.