Bilstein B8 8100 (Bypass) 2003-2020 Toyota 4Runner Rear Left Monotube Shock Absorber - 25-284584

Bilstein B8 8100 (Bypass) is a direct fit, position sensitive, damper for light trucks and SUV’s. These motorsports inspired shock absorbers utilize a dual tube externally adjustable bypass design. B8 8100 (Bypass) feature “Incremental Flow” bypass adjusters, allowing for finite and incremental changes for rebound and compression. The shocks utilize a bottom hose, remote reservoir exit port, delivering increased compression control during the full cycle. The remote reservoir is supplied with a bolt-on aluminum anodized chassis mount for an easy fitment. BILSTEIN B8 8100 (Bypass) will maximize the driver experience, offering unparalleled ride comfort and incredible bottom out control.

This Part Fits:

Year	Make	Model	Submodel
2010-2023	Lexus	GX460	Base
2023	Lexus	GX460	Black Line Edition
2014-2023	Lexus	GX460	Luxury
2010-2023	Lexus	GX460	Premium
2003-2009	Lexus	GX470	Base
2023	Toyota	4Runner	40th Anniversary Edition
2003-2009	Toyota	4Runner	Limited
2003-2023	Toyota	4Runner	SR5
2018-2023	Toyota	4Runner	SR5 Premium
2010-2016,2021-2022	Toyota	4Runner	Trail
2017-2023	Toyota	4Runner	TRD Off-Road
2018-2023	Toyota	4Runner	TRD Off-Road Premium
2015-2023	Toyota	4Runner	TRD Pro
2020-2021	Toyota	4Runner	Venture

Please note image may vary from product. Also, some parts are special order, may take longer, and cannot be cancelled. If delivery time is a concern, please contact us prior to purchase. 

Fidanza Performance is excited to offer the go to name in suspension- Bilstein!

About Bilstein-

Bilstein is a respected German brand that's been around since 1954, originally founded by August Bilstein in Ennepetal, Germany. The company quickly gained a reputation for producing high-quality shock absorbers and suspension components, first for the automotive industry and later expanding into performance and motorsport sectors. Over the years, Bilstein has become synonymous with top-tier suspension technology, offering products designed to enhance vehicle handling, comfort, and durability.

One of Bilstein’s most significant innovations was the development of the monotube shock absorber, which revolutionized suspension design. Unlike the more traditional twin-tube shock, the monotube design provides better heat dissipation and more consistent performance, which makes it especially well-suited for high-performance cars and racing applications. Bilstein has also become known for its performance suspension kits, including adjustable coilovers, lowering springs, and full suspension systems that improve handling, reduce body roll, and enhance the overall driving experience.

The company’s products are used by professional motorsport teams in events like Formula 1, touring car racing, and off-road competitions. Bilstein is also trusted by major automakers like Porsche, BMW, and Mercedes-Benz, supplying OEM suspension parts for their vehicles. Their aftermarket parts are popular with car enthusiasts who want to upgrade their cars for better performance and handling.

Today, Bilstein continues to innovate, ensuring their suspension systems meet the demands of modern vehicles and the rigorous conditions of motorsports. With a long history of engineering excellence, Bilstein remains a top name for anyone looking to improve their vehicle's suspension.

Fidanza Performance, founded in 1997, is a leading US manufacturer of high-quality lightweight aluminum flywheels, precision adjustable cam gears, and high-performance clutches. With nearly 20 years in the automotive performance market, Fidanza is renowned for its expertise and respected globally, offering products for a wide range of vehicles, from European sports cars to modern muscle cars and imports. The company originated in racing, with founder Lou Fidanza's success in the SCCA leading to the creation of specialty parts like aluminum flywheels. Fidanza has since expanded its product line to include cam gears and performance clutches, gaining a loyal customer base and worldwide recognition. In 2023 Fidanza opened the SpeedParts4Less Marketplace which sells other manufacturers quality high performance parts!