TeraFlex 1151400 4 Inch Coil Spring Base Lift Kit for 07-18 Wrangler JK 4 Door

The TeraFlex 1151400 is a comprehensive 4-inch coil spring base lift kit engineered specifically for 2007-2018 Jeep Wrangler JK Unlimited 4-door models. This kit provides essential lift components to accommodate up to 37-inch tires while maintaining proper suspension geometry and handling characteristics.

Key Features:

• 4-inch lift coil springs engineered for front and rear suspension
• HD forged adjustable front track bar rated for 0-6 inch lifts with included gusset bracket
• Rear track bar axle bracket kit designed for 3-6 inch lift applications
• Front and rear coil spring spacers (0.5 inch) for precise height adjustment
• Complete bump stop extension system: 2.75-inch front upper, 1.25-inch front lower SpeedBump strike pads
• Rear bump stop extensions: 2-inch upper kit and 0.75-inch SpeedBump lower strike pads
• 10-inch front sway bar quick disconnect kit for improved off-road articulation
• 12.25-inch rear sway bar link kit optimized for 3-4 inch lift heights
• All necessary mounting hardware included

Important Installation Notes:

This is a base lift kit that includes coil springs, track bars, and supporting components only. Shocks are not included. TeraFlex recommends pairing this kit with Falcon Performance Shocks or TeraFlex 9550 VSS Twin-Tube Shocks for optimal performance. Longer adjustable control arms are required to correct suspension geometry at this lift height. An adjustable rear track bar is recommended for proper axle centering.

Maximum recommended tire size: 37 inches. Compatible with 2007-2018 Jeep Wrangler JK Unlimited 4-door models only.