JK: Dual-Rate ST Front Sway Bar System (0-3” Lift)

SKU 1753720
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The TeraFlex Dual-Rate ST (Street & Trail) Front Sway Bar System is the most advanced manual sway bar disconnect system available.

The Easy Engagement Knob allows you to go from street to trail in seconds!

This system incorporates two torsion bars: the “Street” bar is tuned for a stable ride and heavy-duty highway handling, while the “Trail” bar is tuned to control body sway and lean during side hill and off-camber situations with full off-road articulation.

The forged sway bar arms feature several link mounting points to fine tune the torsion rate.

Simply twist the knob to disengage the “Street” sway bar for unrestricted off-road articulation; then simply twist the knob again to re-engage the street sway bar for the highway!

Get the best of both worlds with the TeraFlex Dual-Rate ST Front Sway Bar System!


• JK Wrangler (2-door)

• JK Wrangler Unlimited (4-door)

• 0-3” Lift


• “Street” Front Sway Bar

• “Trail” Front Sway Bar

• Sway Bar Frame Brackets – pair

• Forged Sway Bar Arms – pair

• Sway Bar Quick Disconnects – pair

• Sway Bar Bushings

• All necessary hardware

• And more

Features: & Benefits:

HD Street-Tuned External Sway Bar

• Provides more resistance than factory sway bar for superior highway handling and control

• 35-spline/heat-treated 4130 chromoly

Trail-Tuned Internal Sway Bar

• Provides the perfect amount of resistance and stability during side hill and off-camber to maintain vehicle control

• 22-spline/heat-treated 4340 chromoly steel

Internal Bushing Eliminates Wear

• Internal bushing allows both sway bars to rotate independently in trail setting

• Eliminates play to maintain tight working tolerances

Forged High-Clearance Arm

• Allows maximum wheel travel during articulation, eliminates tire/sway bar interference, and increases overall strength – especially side loading

Easy Engagement Knob

• Ergonomically designed knob

• Go quickly from street to trail and back

• Twist clockwise for trail use and counterclockwise for street use

• Requires aftermarket wheels w/ 4.5” backspacing or less – or Offset Wheel Adapters (# 1055000) for stock wheels.

• 2012-2018 JK Wrangler/Unlimited models need the Vacuum Pump Relocation Kit (# 4403100).

Install Time: 5 Hours



• Dual-Rate 0-3” Lift (# 1753720)

• Dual-Rate 4-6” Lift (# 1753725)

• Single-Rate 0-3” Lift (# 1753710)

• Single-Rate 4-6” Lift (# 1753715)

• Trail-Rate 0-3” Lift (# 1753700)

• Trail-Rate 4-6” Lift (# 1753705)


• Trail-Rate 0-3” Lift (# 1754700)

• Trail-Rate 4-6” Lift (# 1754705)

Replacement Parts:

• 4” Front Sway Bar Center Link – No Ends (0-3” Lift) (# 9751211)

• 4” Front Sway Bar Center Link – Complete (0-3” Lift) (# 1700010)

• 7.5” Front Sway Bar Center Link – No Ends (4-6” Lift) (# 97512)

• 7.5” Front Sway Bar Center Link – Complete (4-6” Lift) (# 1700015)

• Sway Bar Rod End (No Jam Nut) – LH Thread (# 9751213)

• Sway Bar Rod End (No Jam Nut) – RH Thread (# 9751214)

• ST Front Sway Bar Hardware Bag (w/ Rod Ends & Jam Nuts) (# 600380)

• 0.95” I.D. Sway Bar Crossmember Bushing (# 753327)

• 1.5” I.D. Sway Bar Crossmember Bushing (# 753328)

Weight:  47.0 lbs

Vehicle Type:
JK Wrangler
JKU Wrangler Unlimited

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July 25th 2015
I put this on my Sahara about 3 months ago. In the street mode, very stiff, the jeep handles great. When dialed into the off road mode, I can say it's not as good as completely disconnected but, it's very easy to go from off road to street. Only takes seconds.