TeraFlex Suspension 1151450 JK 4-Door 4 Inch Coil Spring Base Lift Kit

The TeraFlex 1151450 JK 4-Door 4 Inch Coil Spring Base Lift Kit provides essential components to raise your Jeep Wrangler JK Unlimited for improved off-road ground clearance and the ability to run larger tires. This spring box kit includes the foundational lift components needed to achieve a 4-inch lift height.

Key Features:

• 4-inch lift height for increased ground clearance
• Allows fitment of up to 37-inch tires with proper wheel backspacing
• Engineered specifically for JK 4-door (Unlimited) models
• Includes coil springs and essential lift components
• Base kit design allows customization with separate shock selection

Important Installation Notes:

• Shocks are NOT included - TeraFlex 9550 VSS or Falcon Performance shocks recommended
• Requires adjustable control arms and adjustable front track bar to correct suspension geometry
• Adjustable rear track bar is recommended for optimal performance
• Aftermarket wheels with 4.5-inch backspacing or less required, or use offset wheel adapters
• Driveshaft modifications highly recommended for 4-door models
• Caster correction required for proper alignment and stability control function

This base lift kit provides the foundation for a capable off-road suspension system while allowing you to select shocks and control arms based on your specific performance needs and budget.