Icon Vehicle Dynamics K53156 Stage 2 RXT Rear Suspension System Lift 1.75-4" Toyota Tundra 07-21

ICON RXT Rear Suspension System — 2007-2021 Toyota Tundra

The ICON RXT Rear Suspension System upgrades the rear of the 2007–2021 Toyota Tundra to deliver improved wheel travel, tunable spring rates, hydraulic bump stops, and RXT-specific 2.5 Aluminum Series rear shocks for enhanced on- and off-road performance.

Key Features

• Increased wheel travel: Approximately 20% more travel compared to stock.
• RXT multi-rate leaf spring: Three user-adjustable spring rates to suit varying vehicle setups and loading; military wrap front eyelet for increased durability.
• RXT rear shock: CDC valve technology with 10 compression settings for quick damping adjustment; 10" aluminum reservoirs for improved oil and nitrogen capacity; fully rebuildable and revalveable.
• Hydraulic rear bump stop kit: 2.5" travel bump stop with position-sensitive technology for progressive bottom-out resistance; vehicle-specific tune for smooth engagement; direct bolt-in to OEM bump stop location.
• Durable construction: Heavy-duty 1.25" CNC-machined nitro steel shaft, CAD-plated body for corrosion resistance, and double-sealed high-pressure Schrader valve.
• Serviceability & tuning: Shocks are fully serviceable and revalveable; simple and straightforward installation.
• Tested development: Validated under rigorous off-road testing to confirm tune, performance, strength, and durability.

Notes

• OEM wheels & tires fitment: Yes.
• Recommended aftermarket wheels: 17x8.5" w/ 5.75" backspace / 25mm offset; 18x9" w/ 6.00" backspace / 25mm offset; 20x9" w/ 5.625" backspace / 16mm offset.
• Recommended aftermarket tires: 35" x 12.50" (larger tires may fit but fender trimming and modifications will be required).
• These are stand-alone kits and are not to be used in conjunction with other aftermarket kits.
• Shocks are fully serviceable; coilover heights indicated are for a stock-equipped vehicle.
• Not compatible with TRD rear sway bar kit.
• Operating range for hydraulic bump stops: 50–250 PSI; includes replaceable noise-reducing striker pad.
• Ships in multiple boxes.
• Raises rear approximately 1.75"–4" without rear sway bar.

Icon Vehicle Dynamics K53156 Stage 2 RXT Rear Suspension System Lift 1.75-4" Toyota Tundra 07-21 - Features