This kit has been discontinued with manufacturer, instead you can go with this kit:
Included in kit:
2″ Lift Front Spacers– CNC Machined From T-6 6061 Aluminum. 8 spacer bolts.
2″ Lift Rear spacers. Install Directions.
NOTE: We recommend our lift with new rear coils (IFS2-4RC) on these models if the rear of your 4Runner is lower due to stock spring sag
Fits 4Wheel drive only