The expedition lift tier for the 4Runner means 3"–4" of lift with remote reservoir coilovers, extended UCAs, and — for full long-travel — a KDSS delete that trades the factory hydraulic sway bar for fixed end links and dramatically more suspension travel.
At the expedition tier, the 4Runner build follows two distinct paths. The first is a high-end coilover upgrade with extended UCAs — Icon Stage 3, Fox 2.5 PE, or King OEM Performance+ — which keeps the stock geometry footprint but adds 12"+ of high-speed damping performance. This path is KDSS-compatible on KDSS-equipped trucks (specify at order), and it's the correct approach for overland rigs that need refined high-speed comfort and a clean build without irreversible modifications.
The second path is Total Chaos long-travel, which replaces the entire front suspension geometry with extended lower control arms, a wider track, and repositioned shock mounts. This delivers 12"–14" of wheel travel and transforms the 4Runner into a genuine high-speed trail machine. Full long-travel kits on KDSS-equipped 4Runners require a KDSS delete — you replace the KDSS hydraulic end links with fixed end links and remove the KDSS system. This is irreversible in the sense that you'd need to source replacement KDSS parts and rebuild to return to stock. The payoff is unrestricted suspension travel and the ability to run larger shocks that the KDSS plumbing physically prevented.
KDSS delete is not a decision to make lightly if you use the 4Runner daily. On pavement, KDSS meaningfully reduces body roll and improves stability. Without it, you'll notice more roll on on-ramp entries and spirited driving. On the trail, you won't miss it. If the 4Runner is a dedicated trail and overland rig that sees normal roads mostly as transit between trailheads, KDSS delete is fine. If it's a genuine daily driver that also goes off-road, preserve the KDSS and spec the KDSS-compatible high-end shock route instead.
Remote reservoir coilovers (Fox 2.5, Icon 2.5 VS, King OEM+) hold more fluid and run cooler on repeated high-speed hits. The reservoir doubles the oil volume, which significantly delays thermal fade on desert washboards or repeated technical obstacles. At this price tier, the damping quality is the primary deliverable — these shocks are tunable in the field (compression adjustment knob) and rebuildable for long-term ownership.
| Part | Vendor | Est. price |
|---|---|---|
| Icon Vehicle Dynamics Stage 3 Coilovers + Rear Shocks (5th Gen 4Runner) | Icon Vehicle Dynamics | ~$2499 |
| Fox 2.5 Performance Elite Remote Reservoir Coilovers (5th Gen 4Runner) | Fox Racing Shox | ~$1999 |
| Total Chaos Fabrication Long-Travel Suspension Kit (5th Gen 4Runner) | Total Chaos Fabrication | ~$4200 |
| King Shocks OEM Performance+ Remote Reservoir (5th Gen 4Runner) | King Shocks | ~$2799 |
Written and maintained by an AZ wheeler and driveway wrencher. Always cross-reference your factory service manual — modifications affect vehicle safety and warranty. Work at your own risk.