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Rough Country (90640) 4 Inch Lift Kit | M1 | Jeep Wrangler TJ 4WD (1997-2002)

Rough Country (90640) 4 Inch Lift Kit | M1 | Jeep Wrangler TJ 4WD (1997-2002)

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IMPORTANT: Always read the entire product description, including important notes and fitment information, before making a purchase. For the most up-to-date information, reference the manufacturer's website. Kit components contained in images and descriptions may change based upon your selections.

Description

Who says your daily driver and your weekend warrior can't be the same vehicle? The 4-inch N3-Series Kit for Jeep TJ was engineered by Rough Country's Research and Development Team to give the perfect blend of off-road performance and smooth highway ride. A set of application tuned, lifted coil springs are included in this kit along with a set of tubular lower control arms outfitted with rubber durable rubber bushings for the best in vibration dampening. The 4-inch N3-Series kit also includes a tubular transfer case drop kit, track bar bracket; and a full set of extended sway bar links. Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged shocks offer a fantastic blend of off-road action and smooth highway ride quality. With a durable 18mm spring-loaded piston rod and faster-cooling 54mm shock body, this shock offers up to 36kN Tensile Strength for a long lifespan of impressive vibration dampening. Features natural rubber bushings and an eye-catching metallic silver paint.

Features

  • Easy bolt-on installation Increased ground clearance Levels the front with the rear of the vehicle Coil springs are based on OEM spring rates for a stock ride quality.
  • Solid tubular transfer case drop maintains proper driveshaft angles to avoid vibrations.
  • Control arms include durable OEM style rubber bushings Includes application valved N3.0 series shock absorbers which offer the best in balanced performance for on and off-road use.

Important Notes

  • Automatic transmission models may require a SYE & CV Drive Shaft to fix driveline vibrations - adjustable lower control arms [# 1190] may also be required in conjunction with the SYE and CV Drive Shaft.

Additional Information

Quick Specs

  • Weight: 130.65lbs
  • Country of Origin: USA

Brand Overview

Rough Country is a leading manufacturer and distributor of off-road accessories and suspension systems. Built on a foundation of American values and rooted in Tennessee, we use our expertise of trucks, Jeeps, and UTVs to help people drive their passions further— to conquer every road and trail, whether smooth or rugged, across the globe.

Key Components

  • 1x 1668CT JEEP 97-02 TJ 4WD COIL BOX
  • 1x 770743P M1 MONOTUBE SHOCK PAIR
  • 1x 770746P M1 MONOTUBE SHOCK PAIR
  • 1x 90630BOX2 4in Kit Box | Jeep Wrangler TJ (97-06)

Instructions

Instructions (pdf)

Fitment

  • 1997 - 2002 Jeep Wrangler Sahara 4WD
  • 1997 - 2002 Jeep Wrangler SE 4WD
  • 1997 - 2002 Jeep Wrangler Sport 4WD
  • 2002 - 2002 Jeep Wrangler X 4WD