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🧾 Overview
The TeraFlex 9550 VSS Twin-Tube Shock Kit is designed specifically for the Jeep Wrangler JL and JL Unlimited running 3.5–4.5 inches of suspension lift. Engineered with Vehicle Specific Shock (VSS) valving, these shocks deliver a balanced combination of off-road performance and smooth highway ride quality.
TeraFlex uses a proprietary velocity-sensitive valving system tuned to work in sync with TeraFlex suspension systems and lift kits. This allows the shocks to respond quickly to changing terrain while maintaining stable and predictable handling on-road.
The twin-tube shock design, oversized shock body, and premium internal components ensure long-term durability, improved damping performance, and dependable ride comfort for daily driving and trail use.
✔ Vehicle-specific tuned valving for JL suspension systems
✔ Twin-tube design balances comfort and durability
✔ Velocity-sensitive valving adapts to changing terrain
✔ Designed to complement TeraFlex lift kits
✔ Complete front and rear shock kit
🛠 Installation
- Direct bolt-on installation using factory mounting locations.
- Designed for vehicles with 3.5–4.5" suspension lift systems.
- Alignment recommended after installation.
📌 Specs
- Vehicle Specific Shock (VSS) Valving – Engineered specifically for Jeep Wrangler JL suspension geometry.
- Velocity-Sensitive Valve System – Adjusts damping response based on suspension speed and terrain conditions.
- Twin-Tube Shock Design – Provides consistent ride comfort and improved durability for daily driving and trail use.
- Oversized External Shock Body – Increases oil capacity for improved performance and heat management.
- Triple Chrome-Plated Rod – Improves durability and corrosion resistance.
- Internal Travel Stop Limiter – Helps protect shock components during aggressive suspension movement.
- Jeep-Specific Mounting – Designed specifically for Wrangler JL suspension geometry.
📘 Specifications
- Brand: TeraFlex
- Series: 9550 VSS
- Shock Type: Twin-Tube
- Position: Front & Rear
- Lift Compatibility: 3.5–4.5" Lift
- Adjustability: Non-adjustable
- Installation Type: Direct Bolt-On
- Sold As: Complete Kit (4 Shocks)
📦 What’s Included (What’s in the Box)
- Front Components
- (2) 9550 VSS Twin-Tube Front Shocks (#1556500)
- Rear Components
- (2) 9550 VSS Twin-Tube Rear Shocks (#1556600)
- Mounting Components
- Application-specific mounting hardware
🛡 Warranty
- Manufacturer-backed limited warranty provided by TeraFlex.
⚠️ Fitment Notes
- Jeep Wrangler JL (2-Door) (2018–Present)
- Jeep Wrangler JL Unlimited (4-Door) (2018–Present)
⚠️ Fitment Notes
- Designed for vehicles with 3.5–4.5" suspension lift.
- Vehicle-specific valving optimized for TeraFlex suspension systems, but compatible with most lift kits within the same height range.
- Alignment recommended after installation.