Jeep JK Wrangler 2.5" Game-Changer Suspension & Lift Kit
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Jeep JK Wrangler 2.5" Game-Changer Suspension & Lift Kit

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€3,390.74 tax excl.
The lowest price of this product in the last 30 days before the discount was €417.06 gross
The lowest price of this product in the last 30 days before the discount was €417.06 gross

MetalCloak Game-Changer 2.5" is a complete suspension system for the Jeep Wrangler JK built around Duroflex (Kevlar) joints, True Dual Rate coils, Durotrak track bar bushings, and adjustable bump stops for maximum up/down travel. This version is sold without shocks so you can choose the dampers that match your build and driving style.

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MetalCloak Jeep JK Wrangler 2.5" Game-Changer Suspension System (no shocks) – Jeep Wrangler JK

This is a mid-arm suspension system designed to deliver big travel while keeping the axle controlled. It combines adjustable control arms on Duroflex joints (with Kevlar reinforcement), True Dual Rate coil springs, track bars with Durotrak bushings, and adjustable bump stops—focused on articulation and stable geometry.

The version you’re creating in the shop is a complete kit without shocks. You choose the dampers separately. The manufacturer notes that using the correct mounting/spacer solution helps prevent shock binding and keeps the shock working in its intended plane.

Vehicle fitment

Jeep Wrangler JK

Lift height

2.5"

MetalCloak ID

A1225*

Shocks

Not included (choose separately)

Install notes (manufacturer)

Difficulty: Moderate • Time: 6–8 h • Body mods: none

Kit overview – components shown (example configuration)

MetalCloak Game-Changer 2.5 inch kit components for Jeep Wrangler JK (no-shocks version)
Image is an overview of typical included parts. This shop product is offered without shocks.

Key benefits

  • Duroflex joints with Kevlar – self-centering joint design with a vulcanized elastomer core to absorb harshness while allowing significant movement.
  • More usable travel – system layout is built for up-travel and down-travel while keeping the axle predictable.
  • True Dual Rate coils – dual-rate behavior aimed at a controlled street ride and better support/articulation off-road.
  • Durotrak track-bar bushings – bushing design intended to reduce NVH while keeping steering/axle location precise.
  • Adjustable bump stops – tune bump-stop height without removing springs (manufacturer lists 1"–4" adjustment).
  • No-shocks build – choose shocks for your weight, tire size, terrain, and budget (RockSport Black, 6Pak, Fox, or other).

True Dual Rate – coil behavior through travel (GIF)

GIF showing True Dual Rate coil spring behavior at ride height and through suspension movement
Dual-rate design concept: composed ride height with added control and articulation through travel.

Durotrak bushing – press-free, two-piece design (GIF)

GIF showing the two-piece Durotrak bushing assembly that installs without a press
Two-piece bushing layout for simpler service and controlled compliance.

What’s included

  • Adjustable control arms with Duroflex joints (front/rear, upper/lower – system configuration).
  • MetalCloak True Dual Rate coil springs.
  • Front coil isolators.
  • Front and rear track bars with Durotrak bushings.
  • Rear bolt-on track-bar relocation bracket (geometry and clearance component).
  • Front and rear adjustable bump stops.
  • 24.5" extended brake lines.
  • No-shocks version: mounting/spacer solution intended to help keep the shock aligned and reduce binding (outboard shock mount spacer concept).

Outboard shock mount spacer – alignment and clearance (GIF)

GIF showing the outboard shock mount spacer that moves the lower shock mount outward for clearance and alignment
Helps with clearance and keeps shock motion more in-plane during articulation.

Technical facts

  • Duroflex: self-centering joint design with a vulcanized elastomer core; Kevlar-reinforced compound referenced by the manufacturer.
  • Duroflex misalignment range: 34°.
  • Manufacturer illustration compares articulation capability up to 68° (Dual Duroflex control-arm layout) vs about 40° for a clevis/flex-style reference.
  • Materials table (manufacturer): control arms – DOM steel (1 1/2" x .187 and 1 5/8" x .25); coils – chrome steel; track bar – 4130 chromoly; track bar bracket – 3/16" hot rolled; isolators – thermoset elastomer; bump stops – thermoset elastomer; brake lines – braided stainless; steel parts finish – gold zinc.
  • Adjustable bump stops: 1"–4" adjustment (manufacturer note).

Control arm joint comparison – design concept

Graphic comparing OEM-style bushing, typical flex joint, and MetalCloak Duroflex joint concepts
Manufacturer comparison graphic illustrating different joint approaches.

Kevlar Duroflex – elastomer core detail

Close-up of the Duroflex joint elastomer core referenced as Kevlar-reinforced
Detail image of the Duroflex elastomer core.

Control arm alignment – comparison graphic

Graphic showing control-arm joint alignment comparison (misalignment/offset reference)
Illustration focusing on joint alignment and centering concepts.

Forged threaded arm ends – detail

Close-up of forged threaded control arm ends
Forged adjuster-end detail shown by the manufacturer.

Lower front control arm – spec image

Specification image for the JK lower front control arm with dimensions
Manufacturer spec image for the JK lower front control arm.

Upper front control arm – spec image

Specification image for the JK upper front control arm with dimensions
Manufacturer spec image for the JK upper front control arm.

Lower rear control arm – spec image

Specification image for the JK lower rear control arm with dimensions
Manufacturer spec image for the JK lower rear control arm.

Upper rear control arm – spec image

Specification image for the JK upper rear control arm with dimensions
Manufacturer spec image for the JK upper rear control arm.

Articulation – Dual Duroflex control arm (68°)

Illustration showing 68-degree articulation reference for a Dual Duroflex control arm layout
Manufacturer illustration comparing available movement range.

Articulation – clevis/flex reference (40°)

Illustration showing 40-degree articulation reference for a clevis/flex style layout
Manufacturer reference illustration for comparison.

True Dual Rate coils – 4-door front (spec image)

Specification image for 4-door front True Dual Rate coil spring showing zones and dimensions
Manufacturer spec image (4-door, front).

True Dual Rate coils – 4-door rear (spec image)

Specification image for 4-door rear True Dual Rate coil spring showing zones and dimensions
Manufacturer spec image (4-door, rear).

True Dual Rate coils – 2-door front (spec image)

Specification image for 2-door front True Dual Rate coil spring showing zones and dimensions
Manufacturer spec image (2-door, front).

True Dual Rate coils – 2-door rear (spec image)

Specification image for 2-door rear True Dual Rate coil spring showing zones and dimensions
Manufacturer spec image (2-door, rear).

Coil isolators – elastomer spacers

MetalCloak coil isolators/urethane spring spacers for Jeep Wrangler JK
Front coil isolators shown by the manufacturer.

Front track bar – forged end detail

Detail image of the forged end on the MetalCloak JK front track bar
Forged adjuster end detail shown by the manufacturer.

Front track bar – strength and clearance concept

Graphic showing the MetalCloak front track bar formed for strength and clearance
Manufacturer graphic highlighting formed clearance and travel considerations.

Rear track bar – hi-clearance form

Graphic showing the MetalCloak JK rear track bar formed for hi-clearance
Hi-clearance concept for compression and droop clearance.

Rear track bar relocation bracket – geometry component

Graphic showing the bolt-on rear track bar relocation bracket for Jeep Wrangler JK
Bolt-on bracket shown as part of the manufacturer’s rear track bar solution.

Front adjustable bump stops

MetalCloak front adjustable bump stops for Jeep Wrangler JK
Tune bump stop height without removing springs (manufacturer note).

Rear adjustable bump stops

MetalCloak rear adjustable bump stops for Jeep Wrangler JK
Rear adjustable bump stop components shown by the manufacturer.

24.5" brake lines – cross-section graphic

Brake line construction diagram showing inner liner, braided stainless layer, and outer jacket
Braided stainless brake line construction diagram shown by the manufacturer.

Who it’s for

  • Jeep JK builds that prioritize real articulation and axle control on technical terrain.
  • Drivers who want a balanced setup for daily driving and off-road use, with compliance engineered into the joints and bushings.
  • Anyone who prefers to choose shocks separately (brand, valving, reservoir, adjustability) while keeping a long-travel-ready suspension foundation.

Install / notes

  • Install difficulty (manufacturer): Moderate.
  • Install time (manufacturer): 6–8 hours.
  • Body modifications (manufacturer): none.
  • For JK 2012+: manufacturer notes possible exhaust spacer or driveshaft spacer requirement (front driveshaft clearance consideration).
  • Alignment is recommended after installation by a suspension/alignment specialist.
  • True Dual Rate coils: manufacturer does not recommend powder coating.

Shock selection notes (for a no-shocks kit)

  • The manufacturer notes they do not test/guarantee every shock option on the market with this system—final shock choice is up to the builder.
  • Examples referenced by the manufacturer include 6Pak, RockSport (including RockSport Black with compression adjustment), and Fox 2.0 as a more limited-travel option compared to long-travel solutions.

6Pak – long-travel motion (GIF)

GIF showing 6Pak shock motion through compression and extension
Manufacturer GIF: example of a long-travel shock solution in the MetalCloak ecosystem.

RockSport – compression motion (GIF)

GIF showing RockSport shock movement in compression
Manufacturer GIF: RockSport example referenced as tuned for True Dual Rate coils.

RockSport Black – compression adjustment (8 settings) (GIF)

GIF showing RockSport Black compression adjustment dial with click settings
Manufacturer GIF: compression adjustment dial concept, 8 settings.

RockSport Black – braided reservoir hose (image)

Image showing the braided hose used on the RockSport Black reservoir setup
Manufacturer image: braided hose detail for a reservoir-style shock.

RockSport Black – recessed cap detail (GIF)

GIF showing RockSport Black recessed cap construction detail
Manufacturer GIF: recessed cap detail related to shock travel packaging.

Fox – example shock image

Example image of a Fox shock referenced as an option by the manufacturer
Manufacturer reference image: Fox shock shown as an option with more limited travel versus long-travel solutions.

RockSport Black Reservoir – example image

Example image of MetalCloak RockSport Black reservoir shock
Manufacturer image: RockSport Black reservoir-style shock example.

Summary (scan-friendly)

  • Lift: 2.5" • Platform: mid-arm • Vehicle: Jeep Wrangler JK
  • Core parts: Duroflex (Kevlar), True Dual Rate coils, Durotrak bushings, adjustable bump stops, 24.5" brake lines
  • Shop version: no shocks included (choose separately)
  • Install notes (manufacturer): 6–8 h, Moderate, no body mods
  • Additional notes: alignment recommended; JK 2012+ may need exhaust or driveshaft spacer; True Dual Rate coils not recommended for powder coating
Jeep JK Wrangler 2.5" Game-Changer Suspension & Lift Kit
A1225
0 Item

Data sheet

MARKA
MAN
MODEL
Wrangler JK 2 Drzwi 07-18
Wrangler JK 4 Doors 07-18
LIFT
2,5

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