6th Gen 4Runner MASS Platform
Our proven MASS Storage Platform—now precision-fit for the 6th Gen Toyota 4Runner (2-row, non-hybrid).
Built on the same architecture as our JL MASS Platform, it delivers a strong, modular foundation for drawers,
fridges, tie-downs, and trail gear while keeping installation simple and reversible.
Highlights
- Modular MASS Grid: Patterned deck accepts drawers, fridge slides, tie-downs, and accessory plates.
- All-Metal Construction: Aluminum deck for weight savings; steel brackets for strength and rigidity.
- No-Drill, Bolt-In: Uses factory mounting points; installs with basic hand tools.
- Serviceable Storage: Integrated access doors preserve under-deck cargo and service points.
- Purpose-Built for 6th Gen 4Runner: Geometry tuned for 2-row cargo area; maintains trim clearances.
Choose Your Access Doors
Fixed Access Doors
Best when you plan to add in-storage accessory mounts (auxiliary
batteries
and/or onboard air pump).
- Compatible with AAL accessory brackets inside the storage cavity.
- Rigid, rattle-free panels secured with hardware.
Recommended for:
Power + air builds, overland wiring, permanent under-deck installs.
Removable (Latched) Access Doors
Quick-release latches make it easy to pull panels for fast access.
- Not compatible with AAL accessory brackets inside the storage cavity (clearance
limitation from latch hardware). - Great for users who frequently reach the factory storage area.
Recommended for:
Flexible cargo access, rental/loaner gear, shared-use rigs.
Fitment
- Vehicle: Toyota 4Runner (6th Gen, 2025+)
- Rows: 2-row models only
- Powertrain: Non-hybrid trims
- Exclusions: Does not fit 3-row or hybrid (i-FORCE MAX) models
Finishes
- Mil-Spec (premium protective coating)
- Textured Black powder coat
- Raw / Unfinished (ideal for DIY coating)
What’s Included
- MASS Platform deck (6th Gen 4Runner specific)
- Vehicle-specific steel mounting brackets + hardware
- Your choice of Fixed or Removable (Latched) access doors
Compatible Add-Ons
- AAL storage drawers and fridge slides (MASS-pattern compatible)
- AAL accessory mounts for auxiliary batteries and/or air pump (requires Fixed Access Doors)
- Tie-down rings, straps, and universal mounting plates
Installation
- No cutting, no drilling—fully bolt-in using factory mounting points.
- Standard hand tools recommended; typical install time ~1–2 hours depending on accessories.
- Reversible: restores to stock when needed.













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