Bilstein 25-291315 Suspension Shock Absorber - Rear Right

Bilstein B8 8100 (Bypass) Shock Absorber Overview

The Bilstein B8 8100 (Bypass) shock absorber, part number 25-291315, is engineered for Jeep Wrangler and Wrangler JK models. Designed to enhance suspension performance, this shock absorber offers precise control and durability for light truck applications.

• Double adjustable compression and rebound damping with click adjuster knob
• Bypass body design (non-coilover) for optimized suspension travel
• Monotube internal design with 60mm piston diameter
• Includes remote reservoir for improved heat dissipation
• Collapsed length: 17.17 inches (436 mm), extended length: 27.83 inches (707 mm)
• Lower mount: Eye 12.1mm, upper mount: Bar pin
• Finished in Evo grey for corrosion resistance
• Shaft diameter: 18mm, suitable for light truck segment

About the B8 8100 (Bypass) Product Line

The Bilstein B8 8100 (Bypass) series is designed specifically for off-road and light truck vehicles requiring advanced suspension tuning. Featuring a bypass body design, these shocks allow for double adjustable damping, enabling drivers to fine-tune compression and rebound settings independently. This adjustability provides enhanced control over suspension behavior in various driving conditions, making it a suitable upgrade for Jeep Wrangler and Wrangler JK owners seeking improved ride quality and handling.

Detailed Product Description

This Bilstein shock absorber utilizes a monotube internal design with a large 60mm piston diameter, which contributes to consistent damping performance and heat management. The inclusion of a remote reservoir further aids in maintaining optimal operating temperatures during demanding use. The bypass body design allows for non-coilover mounting, compatible with the specified Jeep models. Adjustable damping is controlled via a click adjuster knob, offering precise tuning of both compression and rebound forces. The shock’s robust construction includes an 18mm shaft diameter and durable Evo grey finish to withstand off-road conditions.

Applications and Problem Solving

• Improves suspension control and stability on Jeep Wrangler and Wrangler JK models
• Reduces body roll and enhances handling during off-road driving
• Mitigates shock fade under heavy load or extended use
• Allows customization of ride comfort and performance through adjustable damping
• Addresses suspension wear and tear by providing durable, high-quality components

Installation Notes and Tips

Ensure compatibility with Jeep Wrangler and Wrangler JK models before installation. The shock absorber features eye and bar pin mounts, so verify mounting points correspond to these specifications. Adjust damping settings incrementally using the click adjuster knob to achieve desired ride characteristics. Professional installation is recommended to maintain suspension geometry and safety.

Quality Assurance and Warranty

Bilstein shock absorbers are manufactured to meet stringent quality standards for durability and performance. This product is designed for light truck applications and includes a remote reservoir for enhanced heat dissipation. Warranty information should be confirmed with the manufacturer or authorized distributor to ensure coverage details.