King Shocks 2.5 Dia Piggyback Rear Shock with Adjuster

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

Part #: 25001-378A

Overview

The King Shocks 2.5 Dia Piggyback Rear Shock with Adjuster is a premium OEM performance upgrade designed specifically for Jeep Wrangler JL models from 2018 through 2025. Engineered to deliver superior ride quality and enhanced off-road capability, this shock absorber is custom tuned to meet the unique demands of Jeep enthusiasts who seek both comfort and control on and off the pavement. Whether you drive a 2.0L Turbo, 3.6L V6, 3.0L EcoDiesel, or the powerful 6.4L 392, this shock provides optimized damping performance tailored to your vehicle’s suspension dynamics.

Developed through rigorous real-world testing, the King Shocks rear shock features a finely calibrated damping curve that balances smooth daily driving with aggressive trail handling. Its adjustable design allows drivers to fine-tune suspension stiffness to match varying terrain and load conditions, making it an ideal upgrade for Jeep owners looking to maximize their Wrangler’s potential.

Key Features

King Shocks combines advanced technology and durable construction to deliver a shock absorber that stands up to the toughest conditions. Key features include:

• 2.5-inch diameter piggyback reservoir for increased oil capacity and improved heat dissipation
• Adjustable compression damping to customize ride firmness and responsiveness
• Custom-tuned damping curve optimized for Jeep Wrangler JL suspension geometry
• High-quality seals and components designed for long-lasting performance in harsh environments
• Precision-machined aluminum body for lightweight strength and corrosion resistance
• Compatible with multiple engine variants including 2.0L Turbo, 3.6L V6, 3.0L EcoDiesel, and 6.4L 392
• Tested extensively under real-world off-road and on-road conditions
• Direct OEM fitment ensures easy installation without modifications

Construction & Design

King Shocks are renowned for their robust construction and engineering excellence. This rear shock features a high-strength aluminum body that resists corrosion and reduces unsprung weight, contributing to improved suspension responsiveness. The piggyback reservoir design increases oil volume, which helps maintain consistent damping performance by reducing heat buildup during extended use. Precision internal valving and premium seals ensure smooth operation and durability, even under the most demanding off-road conditions.

The adjustable compression feature allows drivers to tailor the shock’s behavior to their specific driving style and terrain, providing versatility whether navigating rocky trails or cruising highways. Every component is engineered to meet or exceed OEM standards, delivering a reliable upgrade that enhances your Jeep’s suspension system.

Installation & Fitment

This King Shocks rear shock is designed for direct bolt-on installation on Jeep Wrangler JL models from 2018 to 2025 with 2.0L Turbo, 3.6L V6, 3.0L EcoDiesel, and 6.4L 392 engines. No modifications or special tools are required, making it a straightforward upgrade for experienced enthusiasts and professional installers alike. The shock’s OEM-style mounting points ensure perfect alignment and fitment, preserving factory suspension geometry and ride characteristics.

What's Included

• One King Shocks 2.5 Dia Piggyback Rear Shock with Adjuster (Rear)
• Installation hardware as required
• Adjustment tool for compression tuning
• Product documentation and warranty information

Ideal For

This shock absorber is ideal for Jeep Wrangler JL owners who demand enhanced suspension performance without sacrificing ride comfort. It suits off-road enthusiasts who tackle challenging terrain, daily drivers seeking improved handling and stability, and anyone looking to upgrade their factory shocks with a high-quality, adjustable solution. Compatible with multiple engine options, it offers versatility for a wide range of Jeep Wrangler configurations.

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.