What is the purpose of the bypass tubes on this shock?

The bypass tubes allow you to independently adjust the compression and rebound damping characteristics of the shock absorber. This provides a wider range of tuning options to fine-tune your suspension's response to terrain and driving style.

How does the remote reservoir benefit the shock?

The remote reservoir holds additional shock fluid and helps to dissipate heat more effectively. This prevents the shock fluid from overheating, which can lead to performance fade during prolonged or aggressive use.

What kind of vehicle is this shock best suited for?

This shock is designed for extreme off-road applications where precise damping control and heat management are critical. It's ideal for custom suspension builds on trucks, buggies, or other vehicles used for desert racing, rock crawling, or high-speed trail riding.

King Shocks 4.0 Race Shock w/ Bypass Hose RS4020-BP6H

Name: King Shocks 20in 4.0 Race Shock 6 Tube Bypass Hose Remote Res 1.25in Shaft Large 1in Bypass Tubes
Brand: King Shocks
SKU: king-shocks-king-shocks-20in-4-0-race-shock-6-tube-bypass-hose-remote-res-1-25in-t14-320828
Price: 3150.49 USD
Availability: BackOrder

King Shocks 20in 4.0 Race Shock 6 Tube Bypass Hose Remote Res 1.25in Shaft Large 1in Bypass Tubes

$3150.49

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

King Shocks 4.0 Race Shock w/ 6 tube bypass and remote reservoir. Built for extreme off-road performance.

Key Features

This is a King Shocks 4.0 Race Shock with a 1.25-inch diameter shaft.
Features a 4-inch diameter shock body for effective heat dissipation.
Includes a 6-tube bypass system for advanced damping adjustment.
Comes with a remote reservoir to help prevent shock fade.
The bypass tubes are 1-inch in diameter, offering a wide tuning range.
Designed for extreme off-road performance applications.

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Product Details

When you're pushing your off-road vehicle to its limits on challenging terrain, having the right suspension components is crucial for control and comfort. This King Shocks 4.0 Race Shock is designed for those who demand serious performance from their suspension system, offering advanced adjustability and robust construction to handle the toughest conditions. It features a large 1.25-inch diameter shaft for strength and a 4-inch diameter body to manage heat effectively during extended use.

What sets this shock apart is its 6-tube bypass design, which allows for precise tuning of compression and rebound damping independently of the main shock valving. This means you can fine-tune how the suspension reacts to bumps and G-outs, providing a more comfortable ride and improved handling over rough surfaces. The included remote reservoir helps to keep the shock fluid cool, preventing fade even under heavy loads and high speeds. The 1-inch bypass tubes offer a wide range of adjustment, letting you dial in the suspension characteristics to match your specific driving style and the demands of the trail.

This shock is a well-built component for serious off-road builds. It's designed to integrate into custom suspension setups where precise control over damping is a priority. While installation will vary based on your specific vehicle and suspension configuration, expect that tuning the bypass valves will require some experience to achieve optimal results. This shock is a significant upgrade for anyone looking to maximize their vehicle's off-road capability and on-trail comfort.