• King Shocks 2.5 Adjustable Piggyback Reservoir Rear Shocks - Pair | 2020-2025 Chevy Silverado 3500HD - Stateside Performance - Shocks and Struts - King Shocks - King Shocks 2.5 Adjustable Piggyback Reservoir Rear Shocks - Pair | 2020-2025 Chevy Silverado 3500HD
  • King Shocks 2.5 Adjustable Piggyback Reservoir Rear Shocks - Pair | 2020-2025 Chevy Silverado 3500HD - Stateside Performance - Shocks and Struts - King Shocks - King Shocks 2.5 Adjustable Piggyback Reservoir Rear Shocks - Pair | 2020-2025 Chevy Silverado 3500HD
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KIN25001-303A

King Shocks

King Shocks 2.5 Adjustable Piggyback Reservoir Rear Shocks - Pair | 2020-2025 Chevy Silverado 3500HD

King Shocks 2.5 Adjustable Piggyback Reservoir Rear Shocks - Pair | 2020-2025 Chevy Silverado 3500HD

$1,439.25 USD
$1,439.25 USD
Sale Sold out
Shipping calculated at checkout.

The King Shocks 2.5in Piggyback Reservoir Rear Shocks fit the 2020-2025 Chevy Silverado 3500HD and deliver custom-tuned damping for on-road comfort and off-road control.

Sold as a pair with external adjusters for fine-tuning ride quality.

Install Difficulty: Professional Install Only
Bolts to factory rear shock mounts but requires a vehicle lift and proper torque procedure; typically installs in 60-90 minutes per side. Professional alignment recommended after any suspension modification.

Product Overview

This King OEM Performance Series rear shock kit uses 2.5in diameter bodies with piggyback reservoirs to increase oil capacity and reduce fade under heavy load.

External compression adjusters let you dial in damping for towing, hauling, or trail use on the Silverado 3500HD.

Each kit is real-world tested to develop the optimal damping curve for the platform.

Features & Specifications

  • Fits: 2020-2025 Chevy Silverado 3500HD
  • 2.5in diameter shock body
  • Piggyback reservoir for added oil capacity
  • External compression adjuster on each shock
  • Sold as a pair (rear)
  • Custom-tuned damping curve for the platform
  • Real-world tested for ride and load performance

Fitment

This part fits the following vehicles:

Year Make Model Submodel
2020-2025 Chevrolet Silverado 3500 HD High Country
2020-2025 Chevrolet Silverado 3500 HD LT
2020-2025 Chevrolet Silverado 3500 HD LTZ
2020-2025 Chevrolet Silverado 3500 HD WT
âš  Submodel Fitment: If your submodel is not listed in the fitment table above, we cannot confirm fitment. Please contact us before purchasing to verify.

Shipping & Returns

Tracking is typically provided within 3–5 business days; items shipping direct from the manufacturer may take 5–7. Some items are made to order or may be backordered. Questions about stock? Reach us through live chat or email.

Warranty

All warranties are through the manufacturer and are facilitated by Stateside Performance. Some manufacturers require the end user to contact them directly; in that case we will point you to the right contact. Email us with any warranty questions.

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  • Free shipping over $250

    Free shipping applies to items that are shipped via ground through UPS or FedEx and are over $250 going to the continental 48 states. This does not apply to Alaska or Hawaii, and does not apply to any item(s) that are shipped via freight or with any other option other than ground shipping.

    Shipping policy 

  • 30-day returns

    Returns must be requested within 30 days of delivery. Parts must be new, unused, uninstalled, and in original packaging, with an RMA. Some items are final sale.

    Return policy