• 15+ Years of Performance Parts, Tuning & Installation
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Rancho 19-21 GM 1500 Silverado - Sierra Exc. Trail Boss RS9000XL Strut

  • Backed by real installs and tuning experience at FAST of West Chester
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$254.35
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Get premium control and performance with Rancho RS9000™XL struts. Recognized as the first nine-position manually adjustable ride control series in the off-road market, RS9000XL struts are ideal for on- and off-road use, towing and more.

Material Safety Data Sheet
Material Safety Data Sheet
Material Safety Data Sheet
  • BUILT TO LAST -- Low-friction, self-lubricating seal retains gas and oil for quicker rebound and smoother compression while the long-lasting premium liquid metallic finish and polyvinyl protective boot ensures longer life
  • SMOOTH PERFORMANCE -- Polyurethane rebound bumper and bushings and graphite-filled fluon-banded piston help absorb ride harshness and enhance responsiveness to changing road conditions for an overall smoother ride
  • STRONG AND DURABLE -- Features an application-specific nitro-carburized piston rod to resist scuffs and corrosion, double-welded loops at stress areas and sintered iron piston for enhanced structural integrity
  • NINE LEVELS OF PERFORMANCE -- Nine-position easy-to-adjust knob allows customized damping control and firmness for on-road and off-road flexibility
  • REDUCES FADE -- Nitrogen gas pressurized to 100 PSI to minimize air-to-oil mixture and reduce damping performance fade and foaming
  • DESIGNED FOR HARDWORKING VEHICLES -- Ideal for stock or lifted trucks, SUVs and Jeeps that tow, haul or go off road
  • INDUSTRY FIRST -- Recognized as the first nine-position manually adjustable shock series in the off-road market
  • BUY WITH CONFIDENCE -- Comes with Rancho’s Limited Lifetime Warranty

This Part Fits:

Year Make Model Submodel
2021-2024 Cadillac Escalade Luxury
2021-2024 Cadillac Escalade Premium Luxury
2021-2024 Cadillac Escalade Premium Luxury Platinum
2021-2024 Cadillac Escalade Sport
2021-2024 Cadillac Escalade Sport Platinum
2023-2024 Cadillac Escalade V
2021-2024 Cadillac Escalade ESV Luxury
2021-2024 Cadillac Escalade ESV Premium Luxury
2021-2024 Cadillac Escalade ESV Premium Luxury Platinum
2021-2024 Cadillac Escalade ESV Sport
2021-2024 Cadillac Escalade ESV Sport Platinum
2023-2024 Cadillac Escalade ESV V
2019-2025 Chevrolet Silverado 1500 Custom
2019-2025 Chevrolet Silverado 1500 High Country
2019-2025 Chevrolet Silverado 1500 LT
2019-2025 Chevrolet Silverado 1500 LTZ
2023-2025 Chevrolet Silverado 1500 PPV
2019-2025 Chevrolet Silverado 1500 RST
2019-2021 Chevrolet Silverado 1500 SSV
2019-2025 Chevrolet Silverado 1500 WT
2022 Chevrolet Silverado 1500 LTD Custom
2022 Chevrolet Silverado 1500 LTD High Country
2022 Chevrolet Silverado 1500 LTD LT
2022 Chevrolet Silverado 1500 LTD LTZ
2022 Chevrolet Silverado 1500 LTD RST
2022 Chevrolet Silverado 1500 LTD SSV
2022 Chevrolet Silverado 1500 LTD WT
2021-2024 Chevrolet Suburban Commercial
2021-2024 Chevrolet Suburban High Country
2021-2024 Chevrolet Suburban LS
2021-2024 Chevrolet Suburban LT
2021-2024 Chevrolet Suburban Premier
2021-2024 Chevrolet Suburban RST
2021-2024 Chevrolet Suburban Z71
2022-2024 Chevrolet Tahoe Commercial
2021-2024 Chevrolet Tahoe High Country
2021-2024 Chevrolet Tahoe LS
2021-2024 Chevrolet Tahoe LT
2021-2024 Chevrolet Tahoe PPV
2021-2024 Chevrolet Tahoe Premier
2021-2024 Chevrolet Tahoe RST
2021-2024 Chevrolet Tahoe SSV
2021-2024 Chevrolet Tahoe Z71
2019-2021 GMC Sierra 1500 Base
2019-2025 GMC Sierra 1500 Elevation
2022-2025 GMC Sierra 1500 Pro
2019-2025 GMC Sierra 1500 SLE
2019-2025 GMC Sierra 1500 SLT
2022 GMC Sierra 1500 Limited Elevation
2022 GMC Sierra 1500 Limited Pro
2022 GMC Sierra 1500 Limited SLE
2022 GMC Sierra 1500 Limited SLT
2021-2024 GMC Yukon AT4
2021-2024 GMC Yukon Denali
2023-2024 GMC Yukon Denali Ultimate
2021-2024 GMC Yukon SLE
2021-2024 GMC Yukon SLT
2021-2024 GMC Yukon XL AT4
2021-2024 GMC Yukon XL Denali
2023-2024 GMC Yukon XL Denali Ultimate
2021-2024 GMC Yukon XL SLE
2021-2024 GMC Yukon XL SLT
  • Earn FAST points on this part!
  • Backed by real-world installs
  • FAST WC Team Approved

Why Drivers Choose FAST of West Chester

  • I can't recommend this place enough. Being able to trust a shop in the performance world is big. The 2hr drive to get there, is worth knowing the job will be done right. Very happy to have found this shop, to
    support my builds going forward.

    Donald Wojnar

  • I recently had the pleasure of working with FAST of West Chester for some performance upgrades on my 2022 WRX, and the experience was nothing short of exceptional. I opted for a Borla S-Type exhaust and Cygnus Coilovers, and the team at FAST nailed the installation, fitment, and setup to a T.

    Adam Cranston

  • The team at FAST are excellence in every way. First, I consulted with Dave on mods for my HPDE track car. He listened and advised me on the best parts & mods to achieve my goals. He was patient & gave me space to research the options presented & worked with me through several changes before we built. Second, the build execution was flawless, proper heat shielding, bracing and poly everywhere. All components worked as advertised.

    Bryce Budd

  • This place has been my go to shop for all things Subaru. From simple service to performance parts and tuning, they have been top notch.

    William Brunell

  • Excellent shop. They installed a Cobb Stage 2 DP and Whiteline Sway bars and end links on my 2013 WRX. The work was done right and clean. The estimate was accurate. They were very knowledgeable, friendly and gave me the straight scoop on exactly what I was getting for the money
    and what I needed to get where I want to be with it. I'd recommend them
    to any car enthusiast.

    Devin Greco

Does it come with a warranty?

Most products we carry include a manufacturer warranty. Since we work with top performance brands, warranty coverage can vary by product. If you have questions about a specific item, reach out — we’re happy to help.

Do you offer installation help or advice?

Yes — we don’t just sell parts, we install and tune them too. FAST of West Chester is a real performance shop, and we’ve worked hands-on with many of the products we carry. If you have questions about fitment, installs, or building your setup, our team can point you in the right direction.

How fast is shipping?

Many of our products ship the same day or next business day, depending on availability. We work hard to get parts out fast so you can get your build moving without delays.

What’s your return policy?

Returns for exchange or refund are accepted within 30 days of receiving your order. Items must be in new, unused condition and in original packaging. If you have any questions, our team will help make the process easy.

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