Tundra Bilstein 8100 Rear Bypass Shocks Features:
- Supports 0-2.5" rear lift
- Built for aggressive off-road driving
- Externally adjustable bypass design
- Remote reservoirs for added control
- Improves rear stability and comfort
- Fade-free performance in tough conditions
- Heavy-duty steel shock bodies
- Zinc-plated for corrosion resistance
- Made in the USA
- Includes hardware and instructions
Race-Inspired Performance for a Serious Rear-End Upgrade
If you are looking to take your Tundra beyond basic bolt-ons and into true performance territory, the Bilstein 8100 rear bypass shocks are in a completely different league than typical upgrades. These are built with a dual-tube external bypass design, which means you can fine tune how the shock handles compression and rebound instead of being stuck with a one-size-fits-all setup. Compared to stock or even mid-level shocks, the difference is night and day once you start pushing the truck harder. The rear end stays controlled through rough terrain, absorbs bigger hits without getting unsettled, and feels far more predictable at speed. With support for up to 2.5 inches of rear lift, they pair well with common lift setups and allow the suspension to cycle properly without feeling overextended or underdamped.
Built for Heat, Abuse, and Real Off-Road Use
What really sets the 8100 series apart is how well it handles sustained use in demanding conditions. The remote reservoir adds extra oil capacity, which helps manage heat and keeps performance consistent when you are running long dirt roads, towing, or working the truck hard. That consistency is something you will not get from factory shocks, which tend to fade quickly once things heat up. Additionally, the heavy-duty construction and zinc-plated finish are built to handle harsh environments, from mud and water to road salt and debris. Installation is still a bolt-on process, though you will need to mount the reservoirs using the included brackets, which adds a bit of time compared to standard shocks. Once everything is installed and dialed in, the rear end feels planted, controlled, and far more capable. Whether you are daily driving, hauling, or spending serious time off-road, these shocks give your Tundra the kind of performance that matches an aggressive build.
Vehicle Fitment: 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Toyota Tundra
Kit Includes:
- (1) Bilstein 8100 Left Side Rear Bypass Shock - 25-326048
- (1) Bilstein 8100 Right Side Rear Bypass Shock - 25-326055
Rear Shock Notice: Advertised rear lift height indicates the maximum lift these shocks are valved and sized to support. Lift Height must be achieved through proper rear suspension components (blocks, springs, etc.).
Shop Tundra Rear Blocks.
Kit Returns: Unfortunately, we will no longer be accepting partial returns of this package except in cases of damaged or defective parts. Please be aware of the installation requirements of this kit and plan accordingly. Please give us a call directly at 623-434-5277 if you need more information.
Install Guide