2003 - 2019 4RUNNER 2WD & 4WD
Are aftermarket upper control arms required on the 2003 - 2019 4Runner systems?
No, aftermarket up control arms are not required on 03-19 Toyota 4Runner. The 4Runner UCA’s provide enough alignment adjustment to set the vehicle within the factory alignment spec range. Lifting the vehicle over 2.5” on some vehicles the stock upper
How do ICON extended travel coil overs provide more travel overstock on Toyota 4Runner’s?
Most independent front suspension systems use the coil over as the limiting component when setting down travel. The upper control arm us typically the deciding factor due to it's lack of angularity. ICON engineers have found that more travel is avail
My 2003-2019 Toyota 4Runner is leaning to the driver side, what can be done to remedy this?
Toyotas are designed and built with a bias to the driver side due to weight. Toyota 4Runners have both the battery and gas tank on the driver side. New vehicles have this lean right off the showroom floor but is not typically noticed until a suspensi
Can ICON 2003 - 2019 4Runner rear shocks be used with stock coil springs?
No, the ICON rear 4Runner shocks are designed to gain wheel travel over stock. The added wheel travel provided by the ICON units will allow for the factory coil spring to come loose at full extension. ICON recommends using the ICON coil spring kit (P
How do you gain access the grease zerk fitting on the 2003-2020 4Runner rear lower links?
The ICON 54000 billet lower link system has a greaseable zerk fitting at the axle housing mounting point. The fitting is located at the end of the link, and the grease adapter will have to go from the top down. In order to gain access to that zerk fi
The bolts on my 2011 - 2019 4Runner skid plate are not long enough?
In some cases the Toyota 4Funner requires two or even three 9/16” washers for the skid plate crossmember. In those cases, the factory bolts are not be long enough to allow proper engagement for the skid plate to the frame. For situations like this, I
Does ICON offer coilovers for 6” lifted 4Runner’s?
Yes, there are several lifted applications available for the 03-19 Toyota 4Runner. The extended and compress lengths of the coilover on your vehicle is required to identify the correct ICON coilover part number for your specific kit. If a coilover is
How much more lift do the expedition coils provide compared to the standard coils on 4Runner’s?
The expedition coils are designed to yield 3” of lift over stock. The standard coil will provide 2” of lift overstock, with no additional weight added. A vehicle loaded with approximately 440 pounds will sit at the same height as our standard 2” coil
The factory upper control arm bolt and washer cannot be removed, what can be done?
The 03-19 4Runner upper control arm bolt washer and flange on the bolt head may come in contact with the fender liner. In some cases, grinding or cutting the fender liner slightly will be required to remove the factory upper control arm bolt. It is a
Will Toyota Tacoma rear shocks work on an FJ Cruiser or 4runner?
No, the Toyota Tacoma and Toyota FJ/4Runner rear shocks are similar but ICON production rear shocks are not directly compatible between platforms. Please call ICON tech-support for more details (951) 689-ICON.
Will Toyota Tacoma upper control arms work on an FJ Cruiser or 4runner?
No, the Toyota Tacoma and Toyota FJ & 4Runners have different taper pins in the upper control arms. Toyota truck share the same ball joints and Toyota SUV’s share the same ball joint. A truck UCA can be converted to fit an SUV and vice-versa if the b
Are ICON S2 shock system compatible with the 4Runner TRD Big Brake kit?
No, the 4Runner TRD Big Brake kit will come in contact with the secondary shock at full lock. Modifications can be made to the steering to limit his clearance or limit his contact but the system will require custom installation to avoid interference.
What’s the difference between standard and extended travel 2003 - 2019 4Runner coilovers?
The ICON extended travel coilovers are intended to be paired with aftermarket upper control arms. The added angularity provided by an aftermarket UCA allows ICON engineers to give the vehicle more down travel then the stock coilover. The ICON extende
What is the spring rate on the Long Travel 2003 - 2019 Toyota 4Runner coilover?
The 4Runner long travel coilovers are available with 600lb/in coil springs. ICON Coil Spring Part number: 198500. ICON Coilover Part numbers: 59730 & 59730C. Unlike the non-long travel coilover offerings, there is not a heavier rate coil spring avail
What are the spring rate options for the ICON 2003 - 2019 4Runner coilover?
The 4Runner coilovers are built with an ICON standard production 650lb/in coil spring. 158504 - COIL SPRING 1300.0300.650 BLACK. ICON offers a heavier rate coil spring option that is a 700lb/in spring rate. 158508 - COIL SPRING 1400.0300.0700 BLACK.
What is the nitrogen charge pressure on 2003 - 2019 Toyota 4Runner coilovers?
Toyota 4Runner coilovers are preset from the factory at 250 psi. (ICON Part Number's: 58640, 58645, 58646, 58647). Toyota 4Runner remote reservoir coilovers are preset at 250 psi. (ICON Part Number's: 58740, 58745, 58746, 58747). Remote reservoir CDC
Does ICON offer a replacement bearing kits for front 2003 - 2019 Toyota 4Runner coilovers?
Yes, ICON manufactures a bearing service kit for Toyota 4Runner coilovers. Part number:. 611067 - TACOMA/FJ/4RNR LOWER CO BRG/SPCR KIT. This kit includes two bearings for clips and all four-space is required for the front lower coilover mount. For mo
How much lift over stock do the ICON 2003 - 2019 Toyota Tundra coilovers provide out of the box?
ICON coilover kits are preset out of the box at the optimum balance between compression and droop travel to give the best ride quality. The ICON coilovers yield approximately 2” of lift overstock from factory setting. Motor size, door configuration,
Is an aftermarket adjustable track bar required on 2003 - 2019 Toyota 4Runner suspension systems?
An aftermarket adjustable track bars is not required but is needed to center the axle underneath the vehicle correctly. ICON always recommend using an aftermarket track bar on solid axle applications to adjust for shift in the axle position due to li
Can ICON 2003 - 2019 4Runner upper control arms work with long travel suspension systems?
No, ICON upper control arms are designed to work with a stock width vehicle. Aftermarket long travel systems will require upper and lower control arms that are longer then stock to increase the track width and wheel travel of the vehicle.
Can ICON 2003 - 2019 4Runner uniball UCA’s be upgraded to Delta Joints?
All ICON upper control arms, billet aluminum and tubular steel, can be retrofitted to Delta Joints. Delta Joint upgrade kits are sold based on vehicle model. The ICON UCA kit for 03-19 4Runner’s is available in billet aluminum and tubular steel. Depe
Are Toyota S2 systems compatible with KDSS vehicles?
No, the S2 systems are not directly compatible with KDSS equipped vehicles. Modifications have to be made to the lower control arm skid plate in order to allow for the KDSS swaybar link to mount to the lower control arm.
Will ICON kits work with TRD Pro 4Runner's?
Yes. ICON suspensions systems are compatible with TRD Pro trim level Toyota 4Runner's. TRD Pro models are set with a slightly higher ride height compared to non-Pro models. The max lift range on ICON systems will be less on Pro model due to the added
My 2003-2009 Toyota 4Runner coilovers came with two different size spacers for the lower mount - what is the correct orientation?
For the 2003-2009 Toyota 4Runner the large spacer should be oriented forward to clear the sway bar mount to the coilover. The lower shock mount will be offset rearward. The spacers will need to be inserted into the lower mount before installing it be
Will ICON kits work with KDSS/Xreas equipped vehicles?
All ICON Vehicle Dynamics suspension systems, Stage 1-7, are compatible 2003-2009 4Runners equipped with KDSS or Xreas. Toyota KDSS equipped vehicles require ICON Rear Adjustable track bar Part Number 54200. Toyota Xreas equipped vehicles require bot
Will the ICON 1-3” lift rear shock work with higher lift heights on this on 2003 - 2019 Toyota 4Runner?
Yes, the ICON rear shock is compatible with higher lift height. The 1-3” recommendation is based on optimum ride quality for the vehicle. Using the ICON shock on higher lift applications may function correctly without damage but right quality may suf
Can I convert my 03+ 4Runner IFP coil overs to remote reservoir or CDCV?
Yes, non-reservoir coilovers can be upgraded to either Remote Reservoir or CDCV. 51035 - 05-UP TACOMA/07-UP FJ RESI UPGRADE KIT W SEALS PAIR. 51035C - 05-UP TACOMA/07-UP FJ RESI CDCV UPGRADE KIT W SEALS PAIR. Reservoir upgraded kit include all the ne
Can ICON 03+ 4Runner extended travel coil overs work with long travel suspension systems?
No, extended travel coilovers do not carry over to long travel systems. A new coilover kit is required when switching to long travel. There are 2 options available:. 59730 - 05-UP TACOMA/07-UP FJ 2.5 VS RR COILOVER KIT W LONG TRAVEL. 59730C - 05-UP T
My 03+ 4Runner coil overs are currently set to the maximum thread showing, what can I do to get more lift?
If you are currently at the max thread recommendation there is an option available to provide more lift. The max compressed length for front suspension is determined by the factory bump stops. The max thread showing is set with this dimension in mind