DISCLAIMER: This is a made to order item. The lead time for this product is 4-8 weeks.

Flatout GR40R Coilovers – Heavy-Duty Off-Road Suspension for 2010–2024 Toyota 4Runner

The Flatout GR40R Coilover System is engineered for 2010–2024 Toyota 4Runner owners who demand strength, endurance, and performance in off-road and overland conditions. Built on the proven GR40 rally-strength platform, the GR40R adds external reservoirs on all four shocks for maximum fade-free performance, keeping your suspension running cool under heavy loads and punishing terrain.

Whether you’re hauling a rooftop tent, towing a trailer, or exploring remote trails, the GR40R is designed to handle extreme conditions without compromise.

Key Features

• 0–3” Adjustable Ride Height → Optimize stance, clearance, and wheel travel for bigger tires and rugged terrain.

• External Reservoir Shocks on All Four Corners → Increased oil capacity for fade-free damping under heavy use.

• Inverted Heavy-Duty Shock Design → Rally-proven strength for extreme off-road abuse.

• Bypass Piston Valving → Smooths washboard chatter and absorbs large impacts and drops.

• 1-Way Rebound Adjustability → Fine-tune handling for light trails, heavy loads, or technical crawling.

• Overload-Capable Springs → Optional upgrades for rigs with rooftop tents, bumpers, winches, or heavy gear.

• Rebuildable Design → Long-term serviceability for expedition and adventure use.

• Electroplated Shock Bodies → Corrosion-resistant for 7–10 years in mud, snow, and salt.

Who Is the GR40R For?

• Overlanders & Expedition Rigs → Perfect for trucks and SUVs loaded with gear, trailers, and tents.

• Hardcore Off-Roaders → Drivers tackling rocks, mud, sand, and rugged trails.

• Heavy-Build Vehicles → Outfitted rigs with armor, winches, bumpers, and spare tires.

• Adventure Enthusiasts → Those seeking a tougher, more capable suspension for long-term abuse.

Customer Benefits

• Fade-free performance on every corner.

• Stronger and longer-lasting than standard shock and spring combos.

• Adjustable rebound for on-road comfort and off-road control.

• Handles heavy loads without sagging or instability.

• Built to conquer long expeditions, trails, and backcountry adventures.

FITMENT

2010–2024 Toyota 4Runner
All Trim Levels

The Flatout GR40R Coilovers are the ultimate suspension upgrade for 4Runner owners looking for heavy-duty durability, off-road performance, and adjustable ride height for adventure-ready builds.