METALCLOAK
Reference: MC7617
Coil springs
JL Wrangler 2 Door, 2.5" JT Gladiator 1.5" True Dual Rate Coils Front
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€371.80
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MetalCloak True Dual Rate front coils for Jeep JL Wrangler (2-door, 2.5" lift) and JT Gladiator (1.5" lift). Built to deliver a stable street feel while increasing articulation off-road, with included coil-bow correction and engine-specific upper isolators.
MetalCloak JL Wrangler (2-door) / JT Gladiator True Dual Rate Coils – Front (JL 2.5" / JT 1.5")
True Dual Rate™ coils are designed for Jeep JL Wrangler (2018+) and JT Gladiator (2019+), focused on real suspension travel throughout the range—from daily driving to full flex off-road.
This version includes the front coil pair plus the insulating/correction parts: motor-specific upper isolators and lower front coil bow correction pads.
Fitment
Jeep JL Wrangler 2018+ / Jeep JT Gladiator 2019+
Position
Front (pair)
Lift height
JL 2-door: 2.5" / JT Gladiator: 1.5"
Product ID
7617*
Key benefits
- Long free length helps keep the coil seated even at full droop.
- Confident on-road behavior with improved off-road control—less sway while keeping comfort.
- Consistent ride height and resistance to long-term sag.
- High articulation without the “soft/squishy” feel under load.
- Coil bow correction via the included lower front correction pads—quick geometry improvement at the factory spring seat.
- Motor-specific upper isolators—matched to the engine configuration specified for the kit.
How True Dual Rate works – ride height and compression control
What’s included
- (2) True Dual Rate™ front coils
- (2) lower front isolators / correction pads
- Motor-specific upper coil isolators
In the box
Specs / facts
- Coil material: High Tensile Chrome Steel
- Free Length: 21.5"
- Solid Height: 7.25"
- Coil finish: Black Powder Coat
- Isolator material: Thermoset Elastomer
- Lower front correction pads: polyurethane (Shore 90A)
Coil diagram & dimensions – Front (2-door)
“Virtual bucket” – more stable coil seating
Upper coil isolators (Thermoset Elastomer)
Lower front coil bow correction pads
Isolator locations on the coil – reference
Who it’s for / use cases
- For JL/JT builds that want articulation without giving up everyday stability.
- For vehicles that see both road miles and off-road trails—predictable handling and consistent ride height matter.
- For owners looking to reduce coil bow and improve front spring alignment.
Install notes
- Install difficulty: easy.
- Body modifications: none.
- Estimated install time: 1–2 hours.
- Recommendation: get an alignment after suspension installation.
- Manufacturer note: designed to work best with Duroflex-jointed control arms and 6Pak or RockSport shocks.
- Manufacturer note: powder-coating coils is not recommended (bake temperatures can change coil properties and affect lift; may void warranty).
Quick summary
- Front True Dual Rate™ coils for JL 2-door (2.5") and JT Gladiator (1.5").
- High Tensile Chrome Steel with black powder coat.
- Includes coils + lower correction pads + motor-specific upper isolators.
- Goal: stable road manners, more off-road travel, reduced coil bow.
