METALCLOAK
Reference: MC7064
Coil springs
Progressive True Dual Rate Coil Springs 4.5" for TJLJXJ Wrangler
MetalCloak True Dual Rate 4.5" Front coils for Jeep Wrangler TJ/LJ improve on-road control and off-road stability while increasing articulation. Built from high-strength chrome-silicon steel and designed to stay seated in the spring buckets even at full droop.
TJ/LJ Wrangler Coils True Dual Rate 4.5" Front – front coil springs for Jeep Wrangler TJ/LJ (1997–2006)
MetalCloak True Dual Rate 4.5" Front is a (2-piece) front coil spring set for Jeep TJ/LJ suspension. The dual-rate design blends steady support for daily driving with long, usable travel in off-road conditions.
A long free length and coil geometry help keep the spring seated in the buckets at full extension, while the high-strength chrome-silicon steel is aimed at durability and consistent ride height.
Product overview
Application
Front / suspension coil springs
Lift
4.5" (front)
Fitment
Jeep Wrangler TJ/LJ (1997–2006)
Product ID
7064
Key benefits
- True Dual Rate: combines confident on-road manners with increased off-road articulation.
- Long free length supports droop travel and helps keep the coil seated in the buckets at full extension.
- Consistent ride height with reduced tendency to sag over time.
- Improved control and stability on-road and off-road versus stock spring behavior.
- High-strength chrome-silicon steel alloy for durability and repeatable performance.
How True Dual Rate works – ride height and travel
“Virtual bucket” – stability at full droop
What’s in the box
- (2) MetalCloak True Dual Rate 4.5" front coil springs
Kit contents
Technical facts / specs
- Type: True Dual Rate Coils (dual-rate)
- Position: front
- Lift: 4.5"
- Coil material: high tensile chrome silicon steel alloy
- Finish: Black Powder Coat
- Free length: 23 ¾"
- Solid height: 8"
Coil spec graphic (4.5" front)
Who it’s for / use cases
- Jeep Wrangler TJ/LJ owners building a MetalCloak suspension for more articulation and stable handling.
- Vehicles used both daily and off-road where predictable control and usable travel matter.
- Setups that benefit from a long-travel coil designed to resist sagging.
Install / notes
- Manufacturer guidance: designed to perform best with Duroflex control arms and 6Pak or RockSport shocks.
- Do not re-powdercoat the springs (the baking process can affect material properties and lift height).
- After suspension work, a professional alignment is recommended.
- Install difficulty: easy
- Body modifications: none
- Estimated install time: 1–2 hours
Summary (scan-friendly)
- MetalCloak True Dual Rate – front, 4.5" lift for Jeep Wrangler TJ/LJ (1997–2006).
- Dual-rate design for stable on-road behavior and increased off-road articulation.
- Includes 2 coils; black powder coat finish; high-strength chrome-silicon steel.
- Notes: do not powdercoat; align after install; best paired with Duroflex and 6Pak/RockSport.
