# ICON Vehicle Dynamics Stage 1 · internal reservoir

Canonical page: https://configmyrig.com/products/icon-vehicle-dynamics-stage-1-internal-reservoir

Front 58691 coilover pair, rear 56520 shocks ×2, 52752 rear spring pair and 55160 differential drop

## Selected configuration

- Part/component: K53361
- Configuration: Front 58691 coilover pair, rear 56520 shocks ×2, 52752 rear spring pair and 55160 differential drop
- Listed parts: $2,538.47 USD / selected configuration
- Source checked: October 25, 2026 · original catalog snapshot
- Fitment: 2024–2026 LC250 · confirm exact grade
- Product mass: Product weight unverified
- Net vehicle addition: Net addition unverified
- Weight basis: Installed net change requires all mounting hardware and factory parts removed; shipping mass is not installed mass.
- Professional install: 5–7 hr; researched planning estimate
- Basis: Researched planning range for coilovers, rear shocks / springs and differential drop. ICON publishes 3 hours for the front coilovers only; the balance covers rear and differential work. Alignment and ADAS calibration excluded.
- Contents: Front 58691 coilover pair, rear 56520 shocks ×2, 52752 rear spring pair and 55160 differential drop
- Critical specifications: Front 58691 coilover pair, rear 56520 shocks ×2, 52752 rear spring pair and 55160 differential drop
- Supporting work: UCAs are not included. ICON recommends Delta Joint Pro UCAs above 2 inches of lift. Rear track-bar correction is recommended, not included. ADAS recalibration is required by ICON.

## Prerequisites

- Listed suspension components (included): Front 58691 coilover pair, rear 56520 shocks ×2, 52752 rear spring pair and 55160 differential drop
- Front / rear spring choice and final load (check): Confirm spring ratings for the finished build, expected ride height and actual constant load.
- Alignment (quote): Obtain a professional alignment quote after installation. It is additional to the listed kit parts and installation allowance.
- Control arms / correction hardware (conditional): UCAs are not included. ICON recommends Delta Joint Pro UCAs above 2 inches of lift. Rear track-bar correction is recommended, not included. ADAS recalibration is required by ICON.

## Seller offers (selected configuration, low to high)

- [ICON](https://iconvehicledynamics.com/products/k53361): $2,538.47 USD
- [Shock Surplus](https://www.shocksurplus.com/products/icon-1-25-3-lift-stage-1-suspension-system-kit-for-2024-2025-toyota-land-cruiser): $2,538.47 USD

Prices are dated snapshots; tax, shipping, installation and unlisted supporting equipment are extra. Availability is not inferred.

## Installation resources

- [58691 LC250 front coilover instructions](https://images.iconfigurators.app/pdf/I58691_REVA_4302.pdf): official; Front coilover component · 58691. Front coilovers only; required differential-drop instructions, rear springs/shocks and control arms are separate. Confirm the part list for your stage.
- [ICON instruction manuals and downloads](https://iconvehicledynamics.com/pages/instruction-manuals-downloads): official; Library · supporting kit components. Use the actual component numbers for rear shocks/springs, arms, links and differential drop. Some product-page Installation Guide links resolve to warranty documents; those were not counted.

## All documented options

- [Front 58691 coilover pair, rear 56520 shocks ×2, 52752 rear spring pair and 55160 differential drop](https://configmyrig.com/products/icon-vehicle-dynamics-stage-1-internal-reservoir): K53361; $2,538.47 USD / selected configuration; Product weight unverified

## Owner evidence

No sufficiently matched report added. No review rating is inferred.

## Related guidance

- [Planning guide](https://configmyrig.com/guides/suspension-and-constant-load)
- [ICON Vehicle Dynamics](https://configmyrig.com/brands/icon-vehicle-dynamics)
- [Suspension](https://configmyrig.com/categories/suspension)

AI-assisted planning; exact vehicle/application and current supplier documentation require confirmation.