Kit 4x4project 2.65 Prerunner Sprinter 519 DRW Original Rear Leaf Spring

Kit 4x4project 2.65 Prerunner Sprinter 519 DRW Original Rear Leaf Spring

The Mercedes Sprinter 519 DRW is a vehicle designed for heavy-duty work and extensive overland preparations. However, the standard shock absorbers often struggle to handle the rebound of the original leaf springs when the vehicle is loaded. The 4x4project 2.65 Prerunner Sprinter 519 DRW Original Rear Leaf Spring Kit offers a comprehensive upgrade that transforms driving dynamics, providing safety and comfort on any terrain.

This Direct-Fit system is quick to install and is designed to work in harmony with the factory leaf spring configuration, providing an absorption capacity previously reserved for competition.

Digressive Valve: Goodbye to Rocking

In a twin-wheeled vehicle with a high center of gravity, crosswinds and cornering are critical factors. Our intelligent twin-piston system :

• On the road: It offers smooth filtering that improves ride comfort.

• Sudden maneuvers: It automatically gains firmness to slow the oscillation of the leaf spring, keeping the chassis stable and drastically reducing lateral roll.

ACV Valves (Cavitation Control)

Inherited from extreme competition, the ACV valve in the separate bottle manages the oil flow according to demand:

• Thermal Resistance: Multiplies the resistance to fading by up to 60% , preventing the shock absorber from losing effectiveness on long journeys or bumpy tracks.

• Hydraulic Stop: Acts as a final protection in large compressions, preventing sharp impacts that could damage the load structure or the leaf springs themselves.

Indestructible 22mm Stems

The Sprinter 519 subjects the suspension to constant bending stresses. Therefore, we use 22 mm struts.

• Rockwell hardness 61-63: Induction hardened and hard chrome plated to resist stone impacts and friction wear for years.

• Low Technology: These are the same rods used in high competition shock absorbers (9300 Series).

High Strength FK Ball Joints

To eliminate the imprecision of the rubber silentblocks that tend to give way under the weight of the 519, we installed:

• Oversized FK Ball Joints: Capable of supporting radial loads up to 39,000 lbs.

• PTFE (Teflon) track: Ensures smooth movement without noise or rattling, increasing the component's lifespan by 150%.

High Volume Temperature Management

With a massive 2.65″ diameter , this system offers a much higher oil capacity.

The key technical feature: The separate, 30% larger bottle allows for a larger nitrogen chamber. According to the laws of thermodynamics, this reduces backpressure and heat generation, keeping the shock absorber stable even under full load.

Specifications Table

Customization Options

• Saline Environments: Option of stainless steel ball joints and anti-corrosion ceramic treatment.

• Load Control: 2.5″ external compression stop with three stages of hardness.

• Pro Installation: Custom-made hoses and fittings available.

Take the safety and control of your Mercedes Sprinter 519 DRW to a professional level with the engineering of 4x4proyect design.

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