Rough Country's M1 Monotube Adjustable Lowering Struts give 2014-2026 4WD F-150 owners a performance-matched damping solution for trucks already sitting on a 2-inch drop. The factory struts were calibrated for stock ride height; running them on a lowered truck introduces valving mismatches that show up as harsh impacts, inconsistent rebound, and a choppy feel over broken pavement. These struts correct that by pairing a 46mm monotube body with digressive valving tuned specifically for the lowered geometry.
Monotube construction delivers consistent damping. Unlike twin-tube designs, the monotube layout keeps the oil and gas charges separated, eliminating aeration and fade during sustained use. The 2-inch seamless extruded body handles the structural loads of a full-size truck without flexing, and the 46mm digressive piston responds quickly to both small surface irregularities and larger impacts without a jarring transition between the two.
Self-adjusting deflective-disc valving keeps rebound and compression balanced. Rather than requiring manual clicks or dial adjustments after installation, the deflective-disc design reads the incoming force and opens or closes accordingly. The result is a strut that settles into the right damping rate for daily highway driving and tightens up through corners without driver input.
Ride height stays tunable after installation. The notched body design allows perch placement adjustments so the drop can be dialed in precisely once the truck is on the ground. An 18mm centerless-ground, case-hardened, chromed, and polished rod resists corrosion and bending under lateral loads, while vulcanized natural rubber bushings absorb noise and vibration at the mount points.
Built to last in any weather. A zinc-plated exterior protects the strut body from road salt, moisture, and trail debris. Installation is fully bolt-on and takes approximately 2 to 3 hours with basic hand tools, and every strut carries Rough Country's 3-year manufacturer warranty.
Product Benefits
- Monotube Design: Separates oil and gas for fade-free, consistent damping across all driving conditions.
- 46mm Digressive Piston: Reacts instantly to terrain changes for smooth, controlled performance.
- Self-Adjusting Valving: Deflective-disc system balances rebound and compression without manual tuning.
- Adjustable Ride Height: Notched body allows precise perch placement to fine-tune the drop after installation.
- 18mm Premium Rod: Centerless-ground, case-hardened, chromed, and super-polished for strength and corrosion resistance.
- Zinc-Plated Body: Resists road salt, moisture, and debris for long-term durability.
- Vulcanized Rubber Bushings: Quiet operation and lasting performance at all mount points.
- Bolt-On Installation: Fits with basic hand tools in approximately 2 to 3 hours.
- 3-Year Warranty: Backed by Rough Country's manufacturer warranty for added confidence.
Note: Fits 2014-2026 F-150 4WD models running a 2-inch lowered stance. Designed exclusively for use with Rough Country 2-inch lowering kit 47540. Not intended for stock ride height applications.
About Rough Country: Rough Country manufactures suspension lift kits, leveling kits, lowering kits, and related accessories for trucks and SUVs across a broad range of platforms. The brand focuses on bolt-on fitment, in-house engineering, and accessible pricing, backing its products with direct customer support and manufacturer warranties.
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Product Specifications & Vehicle Fitment
Review the product details and confirm compatibility with your vehicle before ordering.
| Specification | Details |
|---|---|
| Vehicle Trim | FX4, King Ranch, Lariat, Limited, Platinum, STX, SVT Raptor, XL, XLT |
| Vehicle Fitment | 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 |
