INEOS Grenadier DuroSpring Bump Stop and Extensions, Rear Upper

Minimize harsh impacts when overlanding your Ineos Grenadier suspension with MetalCloak's Rear DurosSprings and Bump Stop Extension.

Features Includes:
  • Fits Ineos Grenadier
  • 2 Upper Rear DuroSprings
  • 2 Upper Rear Bump Stop Extensions
  • Superior Performance Over Factory Bump Stops
  • Micro-cellular Properties for Dampening
  • Increased Comfort and Control
  • No Maintenance
  • Easy to Install
The MetalCloak Rear Bump Stop Extensions for the Ineos Grenadier are engineered to [click for more...] perfectly to work with the RockSport Black shocks. Precision machined from durable Delrin, these extensions drop the bump stop 2” to maintain proper up-travel limits when running longer shocks and ensure maximum use of the allowable travel.

Each kit also includes MetalCloak’s DuroSpring™ replacement bump stops, providing a softer, controlled stopping point when reaching the limits of compression that enhances ride quality and durability both on and off-road.

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Free Shipping all orders over $70
Price As Configured:
$149.00
 

VIDEOS

MetalCloak's Ineos Grenadier Suspension.

Who Is MetalCloak?

MetalCloak creates Game-Changing Products for the Off Road Enthusiast.

DuroSpring Replacement Bump Stops

DuroSprings offer silent and supple control, absorbing compression energy and slowly releasing it with a dampened return.

What is Corner Travel Index?

Since 2014 MetalCloak has tested thousands and thousands of rigs at events all across the county collecting specs on the build and cataloging the results. The data collected allows us to make our own products better.

FMVSS 126 Compliant

MetalCloak not only has the best off road flex, but we are also Federal Motor Vehicle Safety Standard 126 certified and compliant. No other company can match our on- and off-road performance.

THE TECH

Grenadier Bump Stop Extension

The MetalCloak Rear Bump Stop Extensions for the Ineos Grenadier are engineered to perfectly to work with the RockSport Black shocks. Precision machined from durable Delrin, these extensions drop the bump stop 2” to maintain proper up-travel limits when running longer shocks and ensure maximum use of the allowable travel.
Two black round urethane rear bump stops on a white background.

DuroSpring Replacement Bump Stops

Two black round urethane rear bump stops on a white background.
Simply install MetalCloak DuroSprings into the factory jounce locations and enjoy the extra confidence, comfort and control.
  • DuroSprings require NO maintenance
  • ZERO mechanical sliding parts to bind and seize
  • NO fluids to change or gases to charge

Micro-cellular Compression

DuroSprings offer silent and supple control, absorbing compression energy and slowly releasing it with a dampened return providing increased stability and comfort, all while reducing stresses that occur when pushing your vehicles components to the limits (Image shown without coils for maximum possible compression).

What's In The Kit?

A close-up view of a kit's contents, showcasing various hardware and items neatly organized for easy access and use.
  • Upper Rear Bump Stop Extensions (2)
  • Upper Rear DuroSpring Bump Stops (2)
  • All Required Hardware

TECHNICAL SPECIFICATIONS



Items Details
Compatibility 2023 - Current Ineos Grenadier
DuroSpring Bump Stops Micro-cellular Urethane
Bump Stop Extensions Delrin


INSTALLATION



Installation Difficulty Easy
Body Modification None
Time to Install 30 Minutes
Installation Instructions Click Here to see a full list of MetalCloak Installation Instructions.


CUSTOMER QUESTIONS
What do the MetalCloak Rear Bump Stop Extensions do for the Ineos Grenadier?
They limit suspension compression to prevent harsh bottom-outs while maximizing up-travel. By lowering the bump-stop contact point 2 inches and adding MetalCloak’s DuroSpring™ dampers, the kit delivers smoother engagement, better control, and a noticeably...
How do DuroSprings compare to factory rubber bump stops?
DuroSprings™ are made from a proprietary micro-cellular material that compresses progressively instead of rebounding abruptly like solid rubber. This reduces impact harshness, protects shock internals, and provides a more refined on- and off-road feel...
Are these bump stop extensions easy to install?
Yes. Each kit includes precision-machined Delrin spacers and DuroSprings™ that bolt directly into the factory rear bump-stop locations using basic hand tools. Installation typically takes under an hour and requires no cutting or modification to the Grenadier...
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