King Shocks 2.5 Dia Piggyback Reservoir Shock

2018–2025 Jeep Wrangler JL 2.0L Turbo / 3.6L V6 / 3.0L EcoDiesel / 6.4L 392

Part #: 25001-374

Overview

The King Shocks 2.5 Dia Piggyback Reservoir Shock is a premium rear suspension upgrade designed specifically for Jeep Wrangler JL models from 2018 to 2025. Engineered to deliver exceptional ride quality and enhanced off-road performance, this shock absorber features a custom-tuned damping curve that balances comfort with control. Whether you drive a 2.0L Turbo, 3.6L V6, 3.0L EcoDiesel, or the powerful 6.4L 392, this shock is built to optimize your Wrangler’s suspension dynamics for both daily driving and rugged terrain.

Developed through rigorous real-world testing, the King Shocks piggyback reservoir design improves heat dissipation and maintains consistent damping under demanding conditions. This results in superior handling, reduced shock fade, and a smoother ride over rough trails or lifted setups with 0 to 2 inches of rear lift.

Key Features

King Shocks combines advanced technology and durable construction to enhance your Jeep Wrangler’s suspension performance. Key features include:

• 2.5-inch diameter shock body for increased strength and durability
• Piggyback reservoir design for improved oil capacity and heat management
• Custom-tuned damping curve optimized for Jeep Wrangler JL rear suspension
• Compatible with 0 to 2-inch rear lift setups without compromising ride quality
• High-quality seals and components to resist contamination and extend service life
• Precision valving developed through extensive real-world testing
• Designed to reduce shock fade during prolonged off-road use
• Direct OEM fitment for easy installation and reliable performance

Construction & Design

King Shocks are crafted from premium materials to withstand the harshest off-road environments. The 2.5-inch shock body is machined from high-grade aluminum, providing an excellent strength-to-weight ratio and superior corrosion resistance. The piggyback reservoir increases oil volume, which helps dissipate heat more efficiently and maintains consistent damping performance during extended use.

Each shock features precision-engineered internal components, including high-quality seals and valving systems, ensuring smooth operation and long-lasting durability. The custom tuning process tailors the shock’s compression and rebound characteristics specifically for the Jeep Wrangler JL’s rear suspension geometry and weight distribution.

Installation & Fitment

This King Shocks rear piggyback reservoir shock is designed for direct bolt-on installation on 2018–2025 Jeep Wrangler JL models equipped with 2.0L Turbo, 3.6L V6, 3.0L EcoDiesel, or 6.4L 392 engines. It supports rear lift heights from 0 to 2 inches, making it an ideal upgrade for stock or mildly lifted Wranglers.

Installation requires basic suspension tools and mechanical knowledge. No major modifications are necessary, and the shock mounts to existing factory mounting points for a straightforward replacement process. Professional installation is recommended to ensure optimal performance and safety.

What's Included

• One King Shocks 2.5 Dia Piggyback Reservoir Rear Shock (Part #25001-374)
• Mounting hardware as required for direct fitment
• Installation instructions

Ideal For

This shock is ideal for Jeep Wrangler JL owners seeking a significant upgrade in rear suspension performance without sacrificing ride comfort. It suits enthusiasts who frequently tackle off-road trails, rock crawling, or desert runs, as well as those who want improved handling and shock absorption on daily drives. It is also perfect for Wranglers with mild rear lifts up to 2 inches, ensuring consistent damping and enhanced durability under increased suspension travel.

King Shocks is a premium off-road suspension brand known for rebuildable, tunable shocks and coilover systems designed to survive high-speed, high-impact terrain. Their race-proven damping and heavy-duty construction make King a top pick for desert, trail, and overland builds that demand consistent control and durability.