RS66404R9-1 RANCHO Box

Review RANCHO Replacement Component Box

The Rancho RS66404R9-1 Shock Absorber is a top-tier suspension component designed to deliver superior performance and durability for your off-road vehicle. This shock absorber is specifically engineered for 2-inch lift applications and is compatible with various SUVs and trucks, including Ford F-150, F-250, F-350, and Chevrolet Silverado 1500, among others.

The RS66404R9-1 shock absorber boasts a monotube design, which allows for consistent performance and excellent heat dissipation. It features a rugged, chrome-plated, zinc-coated shock body that provides maximum corrosion resistance, ensuring a long service life even in the most challenging off-road conditions.

The high-performance 5W-50 shock oil used in this absorber is specifically formulated for off-road applications. This advanced oil provides excellent shock absorption, ensuring a smooth ride, even when traversing rough terrains.

This Rancho shock absorber also includes a rebuildable design, allowing for easy maintenance and customization. It comes with a 10-stage adjustable valve, enabling you to fine-tune the damping force to your specific driving style and terrain conditions. This adjustability feature offers unparalleled versatility and enhances the overall performance and handling of your vehicle.

Additionally, the RS66404R9-1 shock absorber includes a 100% factory-sealed, nitrogen-charged design, ensuring consistent performance and preventing the entry of contaminants. This results in improved ride quality, increased safety, and reduced maintenance requirements.

The Rancho RS66404R9-1 Shock Absorber is backed by a limited lifetime warranty, giving you peace of mind and confidence in your purchase. This warranty covers manufacturing defects, ensuring that your investment is protected for the long haul.

In summary, the Rancho RS66404R9-1 Shock Absorber is a high-performance, adjustable, and durable suspension component that is perfect for off-road enthusiasts seeking superior ride quality and handling. Its monotube design, rugged construction, rebuildable feature, and adjustable valve offer unparalleled versatility, while its limited lifetime warranty ensures long-lasting performance and peace of mind.

The Rancho RS66404R9-1 is a gas-charged adjustable riding height kit, designed to provide greater flexibility in vehicle suspension adjustment. Here are some pros and cons of buying this product:

1. Adjustability: The Rancho RS66404R9-1 provides the ability to adjust ride height, making it suitable for off-roading and customization.

2. Easy Installation: This product is relatively easy to install, making it a popular choice for DIY enthusiasts. It requires no drilling and comes with all necessary hardware and instructions.

3. Durability: Rancho is a well-known brand in the suspension industry, and the RS66404R9-1 kit is built with high-quality materials, ensuring long-lasting performance.

4. Improved Off-Road Performance: By adjusting the ride height, this kit can improve off-road performance by increasing ground clearance and providing better articulation.

5. Lift Height: This kit can provide a lift height of up to 3 inches, making it suitable for a wide range of vehicles and applications.

1. Cost: The Rancho RS66404R9-1 is more expensive than some other adjustable riding height kits on the market.

2. Limited Application: This kit is designed for specific vehicle makes and models, so it may not be suitable for all vehicles.

3. Requires Lift Kit: To install this kit, a lift kit may be required, which adds to the overall cost and complexity of the installation.

4. Maintenance: Like any suspension component, the Rancho RS66404R9-1 requires regular maintenance to ensure optimal performance.

The Rancho RS66404R9-1 is a high-quality adjustable riding height kit that offers improved off-road performance and customization options. However, it comes with a higher price tag and may require additional components for installation. Ultimately, the decision to purchase this kit depends on the individual's specific needs, budget, and vehicle application.

If you are looking for a high-quality adjustable riding height kit that provides improved off-road performance and customization options, the Rancho RS66404R9-1 is an excellent choice. However, it is important to consider the cost and compatibility with your specific vehicle before making a purchase. Additionally, make sure to follow proper installation procedures and perform regular maintenance to ensure optimal performance.

Details:

Rancho is a worldwide leader in off-road performance suspension components and jeep accessories. All Rancho products deliver rugged performance for work and play in any on - or off-road environment. Replacement component box by Rancho. Designed for perfect fit and function.

Specifications: without shocks. Made from premium materials to endure years of abuse. Features: precision engineered for your vehicle. Tested to outperform all comparable products on the market.

specifications liftkitsparts:

• brand: Rancho
• mpn: Rs66404r9-1
• part type: Box
• product type: Suspension
• upc: 039703012904
• california prop 65 warning: Cancer And Reproductive Harm.
• fitment type: Direct Replacement
• product subtype: Lift Kits
• country of origin: United States
• brand type: Aftermarket Branded
• product details: Performance Suspension Lift Kit
• department: Performance

shipping liftkitsparts:

• service: fedex ground / fedex home delivery
• transit: 2-6 days
• carrier: fedex
• class: standard
• type: calculated

seller liftkitsparts:

• # reviews: 371116
• rating: 99.0%
• city: fort smith, arkansas

general liftkitsparts:

• category: Auto Parts > Chassis, Suspension Brakes > Lift Kits

returns liftkitsparts:

• time: 30 days
• policy: returns accepted
• paid by: seller

offer liftkitsparts:

• started: may 5, 2026
• sold #: 11
• prices: $336.81–$559.71
• item condition: New
• in stock #: 5
• options: ship-to-home
• availability: in stock

payments liftkitsparts:

• other
• wallet: apple-pay
• credit card: mastercard