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Improved Stance, Balance, and Handling: If you want to elevate your vehicle's on-road performance and off-road capabilities, Rough Country's M1R Struts are the ultimate choice. Our M1R Monotube Reservoir Struts provide superior adjustable ride height, ensuring a custom fit for your driving needs. The digressive 2-inch piston offers increased stability for a smoother ride, while the self-adjusting rebound and compression provide optimal control over uneven road surfaces. Whether you're turning, braking, or accelerating, these struts stabilize your vehicle, enhancing performance in every condition. Designed for rugged off-road performance, the M1Rs help preserve the smooth ride quality you need for both on-road and off-road driving. Quality Construction: Engineered for long-lasting performance, Rough Country's M1R Loaded Struts are built to deliver unmatched durability and driving comfort. Constructed from 2-inch seamless extruded tubing for strength and featuring durable vulcanized natural rubber bushings, these struts can handle the toughest conditions. The powder-coated silver finish adds resistance against harsh elements, ensuring your struts stay looking and performing like new. Additionally, the adjustable height feature allows for customization, with a spring perch that can be easily raised or lowered, providing extra clearance for off-roading or simply giving your ride a more aggressive stance. Installation and Warranty: This bolt-on installation requires basic tools and about 2-3 hours to complete, making it a straightforward upgrade for your vehicle. Once installed, you can trust in the 3-year Manufacturer's Warranty, offering peace of mind with a warranty against structural and workmanship defects. With Rough Country's industry-leading warranty, your investment is protected, ensuring years of reliable performance and comfort.
Adjustable ride height: Customize your suspension to suit any driving style or terrain.
Monotube strut with external reservoir: Features an internal floating piston for superior performance and heat management.
Enhanced travel: Increased suspension travel for smoother rides over rough terrain.
Superior heat dissipation: Quickly dissipates heat for consistent, reliable performance.
2-inch seamless extruded tube: Strong, durable construction for maximum reliability.
2-inch digressive piston: Delivers responsive handling and stability in varied driving conditions.
Self-adjusting, deflective-disc independent rebound and compression: Adapt to changing terrain for improved control and comfort.
16mm centerless-ground, case-hardened, chromed, and super-polished rod: Provides exceptional durability and corrosion resistance.
46mm monotube design: Ensures fade-free performance under all conditions, even under extreme stress.
Instantly responsive digressive valving: Reacts quickly to surface changes, providing a smoother ride.
Powder-coated silver finish: Resistant to harsh elements, ensuring long-lasting appearance and performance.
Multiple lift height options: Choose from various lift heights to fit a wide range of applications.
Durable vulcanized natural rubber bushings: Ensures long-term performance and reliability in all environments.
3-year Manufacturer's Warranty: Confidence in your purchase with a robust warranty for peace of mind.
Fitment Year: 2024 2025 2026
Make: Toyota
Model: Land Cruiser
Submodel: 1958
Drive: AWD
Install Time: 2-3 hours
Manufacturer SKU: 684187
Most products ship directly from our vendor warehouses or distributor network. Shipping times can vary depending on the brand, product size, availability, and destination.
Large or oversized items such as lift kits, wheels, tires, bumpers, exhaust systems, and audio enclosures may require additional handling time or freight shipping.
If there is ever an issue with availability, shipping cost, or delivery timing, we will contact you before moving forward with the order.
Returns may be accepted on most new, unused, unopened items within 30 days of delivery. Items must be in original packaging and in resellable condition.
Installed, used, damaged, missing-parts, electrical, special-order, clearance, or custom-built items may not be eligible for return.
Return shipping is normally the customer’s responsibility unless the return is due to our mistake, such as the wrong item being shipped.
Before sending anything back, please contact Kaos Offroad so we can review the order and provide return instructions. Returns sent without approval may be refused.
Some products are vehicle-specific. Please verify fitment before ordering. If you are unsure, contact us with your year, make, model, sub-model, and any relevant details before purchasing.
Original shipping charges, freight charges, and vendor restocking fees may be non-refundable depending on the item and supplier policy.




