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Rating Block | SilveradoHub
4.9 stars · 1,734 reviews 24,656+Customers

"Thousands of Silverado owners said the same thing after installing: 'Why didn't I do this years ago?'"

GMRCK25D Rear Helper Suspension for Chevrolet Silverado 2500HD 3500HD

$169.99$270.00$100.01 off

Rear Helper Kit Benefits | SilveradoHub
  • Reduced Rear Squat
  • Improved Towing Stability
  • Rear Sway Control
  • Level, Balanced Stance
Expert Review, Comparison & Benefits | SilveradoHub
Robert T. Verified purchase

"Installed these in 25 minutes. First time I hit the brakes hard on the highway I knew it was worth every penny, no more squat. Loaded the bed with 600lbs of gear last weekend and the rear sat completely flat. This is what the truck should have come with from the factory."

2014 Silverado 1500

  SilveradoHub Others
Vehicle-specific engineering ✓ ✗
Controlled rear-end stability ✓ ✗
Progressive impact absorption ✓ ✗
True bolt-on installation ✓ ✗
Zero maintenance, no air lines ✓ ✗
Complete hardware included ✓ ✗
Stops the rear end squatting under load
Steadier steering and braking while towing
Controls body roll and side-to-side sway
Firms up progressively as the load grows
Bolts on in about 30 minutes, no drilling
Nothing to inflate, adjust or service after
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RETURN & WARRANTY

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  • 7 business days after delivery for a replacement or refund if deemed appropriate - no return shipping required!

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trusted by 3250+ Silverado owner
premium USA made products
multiple and secure payment methods

PRODUCT DESCRIPTION

Improve Driver Control In Your Silverado

Your Chevrolet Silverado shouldn't squat or sway when towing, hauling, or carrying gear. The Rear Helper Springs Kit adds progressive rear support that keeps your truck level, controlled, and ready for whatever you hitch up or throw in the bed.

Reduces Rear-End Squat

Keeps the rear end from dropping under tongue weight for a level, more controlled tow.

Stabilizes Towing & Sway

Keeps your truck planted and balanced through corners, crosswinds, and uneven roads.

Prevents Rear-End Sag

Adds extra support when hauling tools, cargo, or a fully loaded bed.

Maintenance-Free Upgrade

No compressors, no air lines, and no adjustments, just reliable suspension support every drive.

Key Features
Reduces sag, sway, and body roll when towing and hauling
Improves steering response
Enhances ride comfort, loaded or unloaded
Restores rear-end balance
Helps prevent suspension damage
No air system needed — zero maintenance
DIY-friendly installation
Specs
8,600 lbsRated Capacity
4.75"Overall Kit Height

Note: Adding this upgrade increases spring rate but does not increase your vehicle's GVWR (Gross Vehicle Weight Rating). Always keep your load within the manufacturer's GVWR.

SilveradoHub Helper Springs
Generic Bump Stops
Progressive Load Support
Aeon® Rubber Construction
8,600 lb Compression Capacity
Maintains Suspension Geometry
Long-Term Durability
No Maintenance Required

Installs in 15 Minutes

Note: Professional installation recommended.
1
Lift the truck by the frame and support it on jack stands so the rear axle hangs freely.
2
Remove the factory bump stop from the frame bracket above the axle (10 mm socket on 2007 & newer trucks).
3
Assemble the spring: set the steel disc on top of the rubber spring and push the bolt up through the center.
4
Bolt it in place through the existing bracket hole with the supplied hardware and tighten securely.
5
Repeat on the other side, lower the truck, and check for a 1/2"–1-1/2" gap between the spring and the axle with the truck empty.

Vehicle Fitment

OE NumberGMRCK15S
PositionRear Axle
Drive Type2WD & 4WD
Quantity1 Pair (L & R)
Years& Platform
Platform
ChevroletSilverado 1500
GMCSierra 1500
1999–2006GMT800
GMT800
2007–2013GMT900
GMT900
2014–2018K2XX
K2XX
2019–2021T1XX
T1XX
Mounting by model year
1999–2006Mounts to the frame bracket using the included flat washer and nylock nut.
2007–2021Replaces the factory bump stop and bolts into its existing bracket (remove the stock bump stop with a 10 mm socket).
Not for: Silverado / Sierra 2500HD & 3500HD models. Not sure it fits? Message us your truck's year, model, and drive type before ordering.

Customer review

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