The S2 Secondary Shock System utilizes the factory lower control arms and maintains OE track width while a combination of a billet aluminum shock tower adapters, fabricated shock hoops, and steel skid plates (with incorporated shock mounts) make for a straightforward install with the exceptional build quality you would expect from an ICON Vehicle Dynamics product. The system was designed to eliminate the need for any major alteration of the vehicle’s frame or any other factory suspension components, and the components are 100% removable in case the system is to be installed on another vehicle. The modular design of the S2 kit also allows for standalone installation of the skid plates, which provides the added benefit of protecting the factory lower control arms from potential trail damage that can be experienced while off-road.
The ICON Vehicle Dynamics S2 Secondary Shock System redefines the off-road capability of the 2010-2024 Toyota 4Runner and 2010-2014 Toyota FJ Cruiser by allowing for the installation of a secondary shock to an existing ICON coilover setup. The addition of secondary 2.5 Aluminum Series remote reservoir shocks means rougher terrain and larger off-road obstacles can be overcome with confidence as the damping ability of the vehicle’s suspension is effectively doubled. As opposed to overly complicated and expensive long travel kits, the ICON S2 System is an affordable upgrade that drastically increases off-road performance, is easy to install, and has a modular design that allows 4Runner/FJ Cruiser owners to upgrade in steps or all at once.
The ICON S2 Secondary Shock System redefines off-road capability by allowing the installation secondary shocks to an ICON coilover setup. Secondary shocks allow rougher terrain to be overcome as the damping ability is effectively doubled.
2.5 Aluminum Series secondary shocks feature one-piece impact extruded aluminum cylinders for excellent corrosion resistance and consistent finish
APPLICATION NOTE #35: Remote reservoir mounting brackets may interfere with aftermarket bumper mounts / windshield washer bottles.
Recommended Aftermarket Tires: 33" x 11.50" (Larger tires may fit but fender trimming and modifications will be required.)
APPLICATION NOTE #17: THESE ARE STAND-ALONE KITS AND ARE NOT TO BE USED IN CONJUNCTION WITH ANY OTHER AFTERMARKET KITS
APPLICATION NOTE #55: Shocks are fully serviceable. Coilover heights indicated are for a stock equipped vehicle
APPLICATION NOTE #210: Maximum steering angle is reduced for secondary shock compatibility
Recommended Aftermarket Wheels: ICON Alloys - 17x8.5" w/ 4.75” Backspace / 0mm Offset
Recommended Aftermarket Wheels: ICON Alloys - 18x9" w/ 5.00” Backspace / 0mm Offset
Recommended Aftermarket Wheels: ICON Alloys - 20x9" w/ 5.00” Backspace / 0mm Offset
Vehicle-specific tuned secondary shocks provide increased damping and oil volume
APPLICATION NOTE #84: ICON S2 System does not work on KDSS equipped vehicles
APPLICATION NOTE #59: Welding required - lower shock tab and steering stop.
2010-UP TOYOTA 4RUNNER/2010-2014 FJ CRUISER S2 STAGE 1 UPGRADE SYSTEM
APPLICATION NOTE #95: Does not work with TRD big brake kit
TECH NOTE: Compatible with 0-3.5" of front lift over stock
Mostly bolt-on design makes for straightforward install
ICON 2010+ Toyota FJ/4Runner S2 Stage 1 Upgrade System
Drastically improves vehicle damping ability off-road
10-24 4RUNNER/10-14 FJ S2 STAGE 1 UPGRADE SYSTEM
Shocks are fully rebuildable and revalveable
10-UP 4RUNNER/FJ S2 STAGE 1 UPGRADE SYSTEM
Increased vehicle stability on-road
Utilizes factory lower control arms
10-UP 4RUNNER/FJ S2 STAGE 1 SYSTEM
OEM Wheels & Tires Fitment: Yes
Suspension Shock Absorber Kit
Maintains OE track width
Ships in multiple boxes
S2 SHOCK SYSTEM
K53121
