4.5 Inch Lift Kit - Long Arm - Jeep Wrangler JK (07-18) 4-Door

Important Notes

1. Will not fit 2WD models.
2. The front and rear driveshafts are maxed out at full droop. The front driveshaft boot can contact the transmission pan at extreme articulation on some models. Replacement of the front and rear driveshafts are recommended.
3. Exhaust modification may be required.

Features & Benefits

• Redesigned 4-link long arm to improve articulation and offer better control throughout wheel travel
• ProRide coil springs offer improved ride quality and more articulation
• Sway bar quicker disconnects and extended rear link for improved offroad flex
• Rear track bar bracket repositions rear axle under vehicle
• Choice of NX2 gas or FOX 2.0 IFP performance series shocks for improved damping
• Allows clearance for 37" tires

Recommended Tires & Wheels
(Trimming may be required)

• 37 x 12.5 with 16 x 8 and 4.5 in. Backspace

Maximize the capability of your 2007-2018 Jeep Wrangler 4 Door with this 4.5-inch lift kit with long arm conversion from BDS Suspension. Designed to improve stance this kit includes everything necessary to set your truck up right with clearance for up to 37" tires. This 4-inch lift kit system improves on the factory 4-link with a redesigned 4-link long arm to improve articulation and offer better control throughout wheel travel.

Up front the lift kit includes new pivot mounts that are constructed from 1/4" thick steel and work with the new heavy duty lower flex arms and adjustable upper flex arms to optimize handling characteristics, 4" Pro-Ride coil springs capable of full coil bind and 3" bump stop extensions to control the compression travel, but increase wheel travel. Also included are braided stainless steel brake lines, sway bar links, and front track bar relocation bracket and pitman arm to improve the steering and handling geometry.

In the rear the kit utilizes new pivot mounts designed to work with the new heavy duty lower flex arms and adjustable upper flex arms, Pro-Ride coil springs, sway bar drop brackets, and a rear frame mounted track bar relocation bracket to correct axle shift. Round out this 4" lift kit with your choice of specially tuned NX2 nitro series gas shocks or FOX 2.0 IFP performance series gas shocks to offer improved damper performance.

Long Arm Conversion

Upgrading the standard control arms to a long arm adds strength, improves handling and takes offroad articulation to the next level. This upgrade consists of massive 1/4" steel frame mounted brackets to install the oversized upper and lower formed long arms. The arms are formed for maximum tire clearance and allow the stock control arm tabs to remain on the vehicle. The upper arms are solid stock while the heavy wall tubular lower arms utilize oversized greaseable polyurethane bushings for superior road vibration isolation.

Pro-Ride Coil Springs

A pair of full-length, gas-specific, progressive rate Pro-Ride coil springs are supplied to provide the correct lift height and smooth, predictable ride across various terrains. Manufactured from high tensile steel, our direct OE replacement coil springs are engineered with properly sized wire diameter. This results in maximum reliability without premature coil bind.

Shock Option

NX2 Nitro Series

• Nitrogen-charged
• Twin-tube design
• 10-stage velocity-sensitive valving
• Dual-welded ends for increased strength
• 1-3/8-inch high-flow piston
• Self-lubricating seals
• Silver powder coat finish

FOX 2.0 Performance Series

• 2-inch Impact extruded aluminum body
• Internal floating piston (IFP) monotube design
• CNC machined 6061-T6 aluminum mounting ends
• Large 5/8-inch hard chrome plated heat-treated alloy steel shaft
• Race-developed high-flow piston design
• Application-specific valving to maximize performance
• Long-lasting clear anodized finish

FOX 2.5 Performance Elite Series

• Increased off-road capabilities
• Easily adjust your shock for terrain, load and speed
• 2.5-inch Impact extruded aluminum body
• Massive 7/8-inch hard chrome plated heat-treated alloy steel shaft
• External reservoir design separates shock oil from the high-pressure nitrogen
• DSC - Dual Speed Compression Adjuster comes standard
• Fully serviceable for a lifetime of use
• 1-year Manufacturer's Warranty