ICON V.S. 2.5 Aluminum Rear Shock Absorbers with CDCV for 1996-2002 Toyota 4Runner

The ICON Vehicle Dynamics V.S. 2.5 Aluminum Series rear shock absorbers with remote reservoir and CDC Valve are application-specific shocks built for 1996–2002 Toyota 4Runner with 0–2 inches of rear lift over stock, sold as a pair. The 2.5-inch aluminum body, nitrogen-charged monotube design, and externally adjustable compression damping make these shocks a direct upgrade for drivers who split time between trail use and daily driving.

Shipping: ICON parts ship direct from ICON Vehicle Dynamics, mostly by UPS Ground. Lead times vary by part and some items are built to order, so please allow extra time. We email tracking as soon as your order ships.

Tuned Damping for On- and Off-Road Use

ICON configures each V.S. 2.5 shock in both length and damping tune for the specific application rather than using a generic valving map. For the 1996–2002 4Runner, that means the shock is calibrated to the geometry and weight of that platform at 0–2 inches of rear lift. The one-piece digressive piston and vehicle-specific valving deliver a ride that does not require a compromise between trail compliance and highway composure.

Ten Levels of Compression Adjustability

The ICON CDC (Compression Damping Control) Valve is an externally adjustable valve that restricts oil flow into the remote reservoir, producing 10 distinct compression damping force ranges with a turn of a knob. Drivers can dial in a softer setting for washboard dirt roads or firm up for high-speed desert running without removing the shock or changing any hardware. The remote reservoir also improves heat dissipation during sustained off-road use, reducing shock fade on long runs.

Bump Zone Technology and Shaft Construction

A 6061 billet aluminum manifold positioned below the top cap creates an internal Bump Zone that adds 20% of damping force as the shock approaches full compression. This additional resistance helps prevent harsh bottom-outs during high-velocity compression events without stiffening the mid-stroke ride. The 7/8-inch induction-hardened, chrome-plated shock shaft and one-piece impact-extruded aluminum cylinder resist corrosion and maintain a consistent finish over time. PTFE-lined spherical bearings and application-specific mounting hardware are included. Both shocks are 100% rebuildable and 100% revalveable.

Features

• CDC Valve: externally adjustable, 10 levels of compression damping force
• Internal Bump Zone: 6061 billet aluminum manifold adds 20% damping force near full compression
• Remote reservoir: nitrogen-charged monotube with piggyback reservoir for improved heat dissipation
• Shaft and cylinder: 7/8" induction-hardened chrome-plated shaft; one-piece impact-extruded aluminum cylinder
• Bearings and hardware: PTFE-lined spherical bearings with application-specific mounting hardware included
• Fully serviceable: 100% rebuildable and 100% revalveable; premium 5WT shock oil

Specifications

Who This Is For and Isn't

These shocks suit 1996–2002 Toyota 4Runner owners running 0–2 inches of rear lift over stock who want externally adjustable compression damping and a rebuildable shock they can retune as their build evolves. The remote reservoir and Bump Zone technology make them well suited for mixed use: trail driving, high-speed dirt, and daily highway miles.

These shocks are rear-position only and are not compatible with 4Runner model years outside 1996–2002. They are not a front shock or coilover. Lift heights are calibrated for a stock-equipped vehicle as the baseline; verify your actual lift measurement before ordering. A California Proposition 65 warning applies: this product contains chemicals known to the State of California to cause cancer, birth anomalies, or other reproductive harm.

Common Questions

Which 4Runner years do these shocks fit?

The ICON V.S. 2.5 Aluminum Series rear shocks with CDCV (SKU 57800CP) are built specifically for 1996–2002 Toyota 4Runner with 0–2 inches of rear lift over stock. They are not listed for any other 4Runner generation or model year.

What does the CDC Valve do and how is it adjusted?

The CDC (Compression Damping Control) Valve is an external knob on the remote reservoir that restricts oil flow between the shock body and reservoir. Turning it cycles through 10 compression damping force levels, letting the driver firm up or soften the rear suspension without tools or disassembly.

What is the Bump Zone and why does it matter?

The Bump Zone is created by a 6061 billet aluminum manifold below the shock's top cap. As the shock nears full compression, oil is routed through this manifold, increasing damping force by 20%. The result is more resistance against harsh bottom-outs during high-velocity hits without stiffening the everyday ride.

Are these shocks rebuildable?

Yes. The ICON V.S. 2.5 Aluminum Series shocks are 100% rebuildable and 100% revalveable, meaning worn seals, oil, and valving can all be serviced or changed rather than replacing the entire shock. This also allows revalving if the owner's build or use case changes over time.

What is included in the pair?

The pair includes two ICON V.S. 2.5 Aluminum Series rear shocks with remote reservoirs, CDC Valves, PTFE-lined spherical bearings, and application-specific mounting hardware. An installation guide is available from ICON. Coil springs, shock boots, and reservoir hose shields are sold separately.