GMC • King 2.5 (2020 – Present)

GMC Sierra 2500 / 3500 HD

Heavy-duty suspension engineering for the GMC Sierra 2500/3500 HD. King 2.5 shocks deliver smooth, controlled damping whether towing heavy boat trailers or conquering desert sand.

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Official King Shocks Engineering

King Shocks Hardware for GMC Sierra 2500 / 3500 HD

King 2.5

King 2.5 Heavy Duty Series Shocks

Suspension Engineering & Geometry Requirements

King 2.5 front and rear shocks with external reservoirs engineered specifically for heavy-duty front torsion bars and rear leaf packs.

Available Suspension Packages

King 2.5 Heavy-Duty Package

Custom valved King 2.5 shocks designed to manage massive axle weights and eliminate harsh road expansion jolts.

Panhard Recommended Setup

Optimal Dunes & Highway Configuration

King 2.5 Remote Reservoir Shocks with Compression Adjusters and Heavy-Duty Torsion Keys.

Important Technical Considerations

Maintains full factory towing and payload ratings while massively improving ride quality.

Compatible Workshop Services:

King Shocks Installation & Tuning → 3D Wheel Alignment & Geometry Tuning →

Vehicle FAQs

Frequently Asked Questions

What King Series is used for Sierra HD?

King 2.5 Heavy Duty Series remote reservoir dampers.

Ready to upgrade your GMC Sierra 2500 / 3500 HD?

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