2.5 Reservoir – Shock Kit Front & Rear Toyota 4Runner 2025 (Leveling) - Elka 90537

Boost the off-road capability of your 2025 Toyota 4Runner while improving comfort and handling with the Elka 2.5 RESERVOIR shocks. Designed for use with stock geometry (or aftermarket UCAs), this kit accommodates 0–2 in. of lift and comes factory pre-set at 1.5 in. of lift for a stock truck.

The 2.5 RESERVOIR model offers the perfect blend of control and comfort:

• Firm, stable handling on desert and fire roads (sports car feel)

• Plush compliance over washboards and rough terrain

• Strong progressive resistance for bottom-out protection

• Maximum articulation and traction for rock crawling

Benefits

• High-performance off-road capability

• Improved comfort and quieter cabin (less vibration, squeaks & rattles)

• Better stability and predictable handling

• Reduced front dive under braking/cornering

• Reduced rear bucking and lift

• Increased damping and spring rates for towing or heavy loads

• Leveling capability for improved weight distribution

Ride Enhancements

• Vehicle-optimized spring setup

• Better vibration attenuation for reduced noise

• Optimized damping for smoother ride on- and off-road

• Increased comfort over washboard and square-edge impacts

Technical Features

• Oversized 2.5" (56 mm) hard-anodized aluminum body

• Big-bore design for higher oil flow & responsiveness

• CNC-machined & forged aluminum components

• External remote reservoir with floating piston for cooling

• DOT-approved high-flow reservoir hose

• Heavy-duty 19 mm induction-hardened shaft

• Triple sealing system: dust wiper, step-seal, premium O-rings

• Proprietary semi-synthetic, low-friction shock oil

• Coilovers use Elka high-tensile alloy or Eibach springs

• Fully rebuildable with affordable replacement parts and valving options

Adjustments

• Spring preload (front only)

What’s Included (4 Shocks)

• (2) Front 2.5 RESERVOIR Coilover shocks

• (2) Rear 2.5 RESERVOIR shocks

Specifications

• Fitment: Toyota 4Runner 2025

• Geometry: Stock (0–2 in. lift)

• Factory Preset Lift: 1.5 in. front

• Position: Front & Rear kit

• Spring Rate: 700 lb/in (front)

• Spring Length: 13 in. (330 mm)

• Spring ID: 3.00 in. (76.2 mm)

• Spring OD: 4.56 in. (116 mm)

• Body Diameter: 56 mm (aluminum)

• Weight: 98 lbs

• Dimensions: 40 × 12 × 24 in

• Categories: 4Runner, 2025, Toyota, Trucks

• Tags: 2.5 RESERVOIR, Road & Trails Dual Purpose, Toyota, Trucks

✅ Complete 4-shock kit (front & rear)
✅ Designed for 0–2 in. lift with stock geometry
✅ High-performance off-road suspension with daily comfort
✅ Built specifically for the Toyota 4Runner 2025