FOX vs King Shocks for Silverado 2500 GVM Upgrades

26/10/2026 12:00AM

FOX vs King Shocks for Silverado 2500 GVM Upgrades – Which Is Right for You?

When upgrading your Chevrolet Silverado 2500, choosing the right suspension package is essential for carrying capacity, towing requirements and everyday driving performance. Two options available through CTO Industries are the FOX 2.5 Shocks and King Shocks GVM upgrade packages.

While both packages are designed for heavy-duty American trucks, they offer different approved weight ratings and suspension configurations.

So, which Silverado 2500 GVM Upgrade is right for your needs? Let's compare the options.

FOX vs King Shocks – Silverado 2500 GVM Upgrade Comparison

CTO Industries offers two Silverado 2500 GVM upgrade packages with different stated Gross Vehicle Mass (GVM) and payload figures.

Specification FOX 2.5 Shocks King Shocks
Upgraded GVM 5,600kg 5,500kg
Stated Payload 1,920kg 1,820kg
Suspension FOX 2.5 King Shocks
Application Silverado 2500 Silverado 2500

The FOX 2.5 GVM Upgrade offers an additional 100kg of stated GVM and payload compared with the listed King Shocks package.

For Silverado owners prioritising maximum approved carrying capacity, the FOX package may be the preferred starting point.

However, the right suspension upgrade involves more than comparing weight ratings.

FOX 2.5 Shocks – Increased Carrying Capacity

The FOX 2.5 Silverado 2500 GVM Upgrade provides a stated GVM of 5,600kg and payload of 1,920kg.

This package is worth considering for owners who regularly carry additional equipment or have fitted accessories such as:

  • Heavy-duty alloy trays and canopies.

  • Toolboxes and work equipment.

  • Touring and camping accessories.

  • Bull bars, winches and recovery equipment.

  • Additional fuel storage and other vehicle accessories.

FOX shock absorbers are widely used in performance suspension applications, with designs intended to manage suspension movement and damping under demanding conditions.

The exact ride characteristics will depend on the complete suspension package, vehicle configuration and operating weight.

For owners requiring the higher of CTO Industries' two listed Silverado 2500 GVM ratings, the FOX 2.5 package is an option worth discussing.

King Shocks – A Heavy-Duty Suspension Alternative

The King Shocks Silverado 2500 GVM Upgrade provides a stated GVM of 5,500kg and payload of 1,820kg.

King Shocks are well known in the off-road suspension industry, with products designed for demanding driving applications.

When considering the King Shocks package, it's important to assess the complete suspension configuration rather than assuming one shock brand will automatically deliver better ride comfort or off-road performance.

Factors such as spring rates, damping characteristics, vehicle weight and intended use can all influence the final result.

For Silverado owners who value particular ride and handling characteristics, CTO Industries can help explain how the King Shocks package compares with the available FOX configuration.

Which Suspension Is Better for Towing and Touring?

Many Chevrolet Silverado 2500 owners use their trucks for towing large caravans, trailers, boats or heavy equipment.

When selecting a Silverado 2500 suspension and GVM upgrade, consider how the vehicle will be used.

Towing Heavy Loads

A correctly selected suspension package can help manage vehicle stability and suspension movement when carrying loads.

However, increasing GVM does not automatically increase the vehicle's maximum towing capacity, Gross Combination Mass (GCM) or towball download limits.

It's important to assess the entire vehicle and trailer combination before choosing an upgrade.

Long-Distance Touring

For owners travelling long distances across Australia, ride comfort and suspension performance are important considerations.

Discuss how each package is configured for highway driving, regular payloads and changing road surfaces.

Off-Road and Unsealed Roads

If your Silverado regularly travels on corrugated roads, gravel tracks or off-road terrain, damping performance and suspension durability become important considerations.

Ask CTO Industries about the suitability of each package for your intended driving conditions, including any applicable adjustment features.

Lift Height and Suspension Components

Before selecting either a FOX or King Shocks GVM upgrade, it's important to understand exactly what's included.

A complete suspension upgrade may involve more than replacing the shock absorbers.

Key considerations include:

  • Lift height: Confirm the expected suspension lift and final vehicle height.

  • Suspension components: Understand which springs, shocks and supporting components are included.

  • Wheel and tyre compatibility: Check load ratings, clearance and applicable engineering requirements.

  • Wheel alignment: Confirm alignment requirements following installation.

  • Driveline considerations: Understand whether additional modifications are required.

  • Maintenance: Discuss recommended inspection and servicing intervals.

At CTO Industries, the goal is to match the suspension package to the vehicle's intended use and configuration.

Silverado 2500 GVM Upgrade Pricing

The cost of a Chevrolet Silverado 2500 GVM Upgrade can vary depending on the selected suspension package, vehicle configuration and installation requirements.

FOX 2.5 and King Shocks packages may have different supplied-and-fitted pricing, particularly where additional components or modifications are required.

For accurate pricing, contact CTO Industries with your Silverado 2500 model details, current accessories and intended vehicle use.

Our team can explain the available package options and provide a quote suited to your requirements.

Upgrade Your Chevrolet Silverado 2500 With CTO Industries

Whether you're preparing your Silverado 2500 for towing, work or touring, selecting the right GVM upgrade is an important investment.

Both the FOX 2.5 and King Shocks Silverado 2500 GVM Upgrade packages offer heavy-duty suspension solutions, but their stated weight ratings and configurations differ.

The FOX 2.5 package provides the higher listed GVM and payload, while the King Shocks package offers an alternative suspension configuration worth considering based on your individual requirements.

At CTO Industries, we specialise in American truck suspension modifications, GVM upgrades and vehicle accessories.

Ready to upgrade your Silverado 2500?

Contact CTO Industries today to compare FOX and King Shocks packages and request a personalised quote.

Phone: 1300 647 547
Email: sales@ctoindustries.com.au
Website: https://ctoindustries.com.au/

CTO Industries – Build Your Adventure.