Bilstein 25-294101 B8 8100 (DSA) Rear Reservoir Shock for Toyota 4Runner and Lexus GX460

The Bilstein B8 8100 (DSA) reservoir shock absorber is an adjustable large bore 60mm (2.65" OD) direct fit solution for lifted trucks and SUVs. Constructed from aerospace quality billet components, the large 60mm ID shock body offers a higher oil volume capacity to control heat while tackling rough road surfaces over long distances. Click adjuster knobs allow easy and precise Dual Speed Adjustment of both low and high speed compression to tailor your ride to any surface. Each B8 8100 (DSA) offers a unique remote or piggyback reservoir solution for an easy, hassle free installation. These shock absorbers feature a monotube design for consistent fade free performance and utilize velocity sensitive digressive valve settings which are tuned for each specific application. The large 60mm piston design offers more comfort and control in all driving conditions. The Bilstein B8 8100 (DSA) will allow you to tame the terrain in comfort. 60mm Shock Absorber

• Click adjuster knobs allow easy and precise Dual Speed Adjustment of both low and high speed compression to tailor your ride to any surface
• 60mm large bore digressive piston offers a greater range of tunability and delivers exceptional comfort without sacrificing control
• Direct fit for an easy installation

Upgrade the rear suspension of your lifted Toyota 4Runner or Lexus GX460 with the Bilstein B8 8100 (DSA) reservoir shock absorber. Part number 25-294101 is engineered as a direct-fit replacement for select applications, providing a straightforward installation and dependable performance on daily roads, trails, and extended off-road trips. Its large-bore design increases oil capacity to help manage heat and maintain consistent damping when driving over rough surfaces for long periods.
The Bilstein B8 8100 (DSA) uses click adjuster knobs for precise Dual Speed Adjustment of both low- and high-speed compression. This allows you to tailor suspension response to changing terrain, vehicle loads, and driving preferences. The digressive piston and application-specific velocity-sensitive valving provide controlled suspension movement while helping preserve ride comfort. Whether navigating washboard roads, rocky trails, or uneven pavement, this shock is designed to deliver a balanced combination of control and compliance.
Constructed with aerospace-quality billet components, the shock features a monotube design for reliable heat dissipation and fade-resistant performance. Its reservoir configuration supports consistent operation under demanding conditions, while the large piston improves damping authority across a broad range of driving situations. The Bilstein B8 8100 (DSA) rear shock is a practical choice for enthusiasts seeking adjustable performance, durable construction, and confident handling from a lifted Toyota 4Runner or Lexus GX460. Verify vehicle year, suspension configuration, and application details before installation.

Features:

• Dual Speed Adjustment: Click adjuster knobs provide precise control over low- and high-speed compression settings.

• Large-Bore Design: Increased oil capacity helps manage heat and maintain consistent damping during demanding driving.

• Digressive Piston: Delivers a broad range of tunability with controlled handling and improved ride comfort.

• Monotube Construction: Supports consistent, fade-resistant performance across changing road and trail conditions.

• Direct-Fit Application: Designed for easier installation on select Toyota 4Runner and Lexus GX460 rear suspension systems.

• Reservoir Configuration: Helps provide dependable damping control for lifted trucks and SUVs used on and off the road.

Compatible With
2003 Lexus GX470
2003 Toyota 4Runner
2004 Lexus GX470
2004 Toyota 4Runner
2005 Lexus GX470
2005 Toyota 4Runner
2006 Lexus GX470
2006 Toyota 4Runner
2007 Lexus GX470
2007 Toyota 4Runner
2008 Lexus GX470
2008 Toyota 4Runner
2009 Lexus GX470
2009 Toyota 4Runner
2010 Lexus GX460
2010 Toyota 4Runner
2011 Lexus GX460
2011 Toyota 4Runner
2012 Lexus GX460
2012 Toyota 4Runner
2013 Lexus GX460
2013 Toyota 4Runner
2014 Lexus GX460
2014 Toyota 4Runner
2015 Lexus GX460
2015 Toyota 4Runner
2016 Lexus GX460
2016 Toyota 4Runner
2017 Lexus GX460
2017 Toyota 4Runner
2018 Lexus GX460
2018 Toyota 4Runner
2019 Lexus GX460
2019 Toyota 4Runner
2020 Lexus GX460
2020 Toyota 4Runner
2021 Lexus GX460
2021 Toyota 4Runner
2022 Lexus GX460
2022 Toyota 4Runner
2023 Lexus GX460
2023 Toyota 4Runner
2024 Toyota 4Runner