21-23 Ford F-150 Superlift 84123 Lift Kit Rear Shock Box SL Shadow 6in. Lift

21‑23 Ford F‑150 Superlift 84123 Lift Kit Rear Shock Box SL Shadow 6 in. Lift

A high‑performance rear shock solution designed specifically for lifted or stock 2021–2023 Ford F‑150 trucks, the Superlift 84123 rear Shock Box from the Shadow Series delivers a perfectly balanced ride that's both smooth and controlled. Built with precision and durability in mind, this shock box restores confidence behind the wheel—whether cruising the highway or handling rugged off‑road terrain. Its advanced valving and corrosion‑resistant construction make it the go‑to choice for Ford enthusiasts seeking lasting comfort and stability.

Key Features

• Designed for stock or lifted Ford F‑150 pickups

• Durable chrome‑plated steel shaft for smooth, long-lasting performance

• 10‑stage velocity‑sensitive valving for optimal control over bumps and road variations

• Reinforced steel body with corrosion-resistant coating

• Ensures proper suspension travel at 6 in. lift height

• Twin‑tube Shadow Series design engineered for both on‑road comfort and off‑road capability

• Proudly assembled in Louisiana

• Backed by a one‑year manufacturer warranty

Benefits

• Significantly improves handling, stability, and overall ride quality

• Provides a smooth, responsive driving experience in varied conditions

• Maintains proper suspension geometry even when lifted, reducing wear on other components

• Built to resist corrosion, ensuring reliable performance over time

• Straightforward bolt‑on installation saves time and effort

• One‑year warranty offers peace of mind and protection against defects

Product Specs

• Lift Height: 6 in.

• Finish: Corrosion‑resistant grey coating on steel body

• Shaft Material: Chrome‑plated steel

• Body Style: Twin‑tube Shadow Series shock box

• Weight (pack): Approximately 26 lbs 

• UPC: 804260106317 

• Sold as a rear shock pack (set of two) suitable for driver or passenger side 

Install Difficulty Level

Installation is straightforward and achievable by most DIYers: expect to complete the job in 1–3 hours, as per installation time estimates from authorized dealers. All mounting hardware fits directly into existing factory locations, delivering a fast, hassle‑free setup.

Vehicle Fitment

Compatible with the following vehicles without drive‑train or engine restrictions:

• Year Range: 2021–2023 Ford F‑150

• Models: XL, XLT, SSV, Raptor, Police Responder, Platinum, Limited, Lariat, King Ranch, Tremor

• Drive Configuration: 4‑Wheel Drive

• Suitable for a variety of engine types, including 2.7 L V6 (gas), 3.3 L V6 FLEX, 3.5 L V6 (gas), 3.5 L V6 full hybrid (FHEV), 5.0 L V8 FLEX, and 3.0 L V6 diesel on certain trims

For any inquiries or corrections regarding this description, customers are encouraged to reach out to the MPT Performance experts at (407) 636‑7077 or by email.