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TJ/LJ: Flexarm & Track Bar Guide

Category:  Product Highlights

TeraFlex

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TJ Wrangler & LJ Wrangler Unlimited

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Adjustable Short Flexarms | LCG Adjustable Lower Long Flexarms

Pro LCG Adjustable Front Upper Long Flexarms

Pro LCG 4-Link Rear Upper Adjustable Long Flexarms

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Adjustable Front Track Bar | Pro LCG Adjustable Front Track Bar

High Steer Adjustable Front Track Bar | Adjustable Rear Track Bar


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Adjustable Short Flexarms0-4” Lift

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TeraFlex TJ/LJ Adjustable Short Flexarms (0-4” Lift) provide maximum adjustability, dependability, and performance while retaining factory control arm mounting locations on TJ Wrangler and LJ Wrangler Unlimited models with 0-4” lifts. Can be added to any existing suspension lift.

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INCLUDES (2) front upper, (2) rear upper, and (4) front lower/rear lower short flexarms.

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FEATURES & BENEFITS:

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  • HD 1-3/4” x 0.281” wall DOM tubing flexarms for superior strength 


  • Fully adjustable flexarms optimize pinion & caster angles & tune anti-squat geometry for proper suspension alignment 
  • Re-centers axles in the wheel well for proper suspension movement or can be used to increase wheelbase
  • Full-range of movement will not restrict articulation or flex off-road

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  • Forged threaded joints 
  • Premium black e-dipped coating provides superior durability & corrosion resistance on tube & forged rod end housing
  • Anodized 6061-T6 aluminum clamp collar to secure rod end after length adjustment

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  • TeraFlex Lifetime Warranty against defects

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SPECS:

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LIFT HEIGHT: 0-4”

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FRONT UPPER ADJUSTABLE SHORT FLEXARMS

REAR UPPER ADJUSTABLE SHORT FLEXARMS

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Tube Diameter & Wall

1-3/4” x 0.281”

Tube Diameter & Wall

1-3/4” x 0.281”

Factory Length

15-1/8”

Factory Length

13-1/4”

Min. Length

14-13/16”

Min. Length

13”

Max. Length

17-3/16”

Max. Length

14-38”

Both Ends 

7/16” (12mm) Bolt

Both Ends

7/16” (12mm) Bolt

Thread

7/8”-18 UNS 

Thread

7/8”-18 UNS 

Wrench on Tube

1-1/8” 

Wrench on Tube

1-1/8” 

Wrench on Jam Nut

1-1/4” 

Wrench on Jam Nut

1-1/4” 

Small Flexarm Joint

4116230

Small Flexarm Joint

4116230

Small Flexarm Joint Rebuild Kit

1951100

Small Flexarm Joint Rebuild Kit

1951100

Small Rubber Joint

600453



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FRONT LOWER | REAR LOWER

ADJUSTABLE SHORT FLEXARMS

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Tube Diameter & Wall 

1-3/4” x 0.281”

Factory Length

15-3/4”

Min. Length

14-15/16”

Max. Length

17-5/16”

Both Ends

9/16” (14mm) Bolt

Thread

1-1/4”-12 UNF 

Wrench On Tube

1-1/2” 

Wrench On Jam Nut

1-7/8” 

Large Flexarm Joint

4116260

Large Flexarm Joint Rebuild Kit

1951000

Large Clevite Flexarm Bushing

4915161

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TJ & LJ UNLIMITED

ADJUSTABLE SHORT FLEXARM KIT (0-4” LIFT)

8-Arm Adjustable Short Flexarm Kit - Complete Set

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Front Upper Adjustable Short Flexarm Kit - Pair

Front Upper Adjustable Short Flexarm Kit - Single

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Rear Upper Adjustable Short Flexarm Kit - Pair

Rear Upper Adjustable Flexarm Kit - Single

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Front Upper or Rear Lower Adjustable Short Flexarm Kit - Pair

Front Upper or Rear Lower Adjustable Short Flexarm Kit - Single

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FLEXARM JOINT REBUILD KITS & TOOLS  

8-Arm Adjustable Short Flexarm Joint Rebuild Kit

4-Arm Lower Adjustable Short Flexarm Joint Rebuild Kit

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Large Adjustable Short Flexarm Joint Field Rebuild Tool Kit

Small Adjustable Short Flexarm/Track Bar Joint Field Rebuild Tool Kit

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Enduro LCG | Pro LCG | Pro LCG 4-Link

Adjustable Long Flexarms3-6” Lift


TeraFlex TJ/LJ Enduro | Pro LCG Lower, Pro LCG Front Upper, and Pro LCG 4-Link Rear Upper adjustable long flexarms (3-6” Lift) provide maximum adjustability, dependability, and performance on TJ Wrangler and LJ Wrangler Unlimited models with -6” lifts. 

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These are the same components found in our high-end Enduro LCG and/or Pro LCG adjustable long flexarm suspension systems. Pro LCG and Pro LCG 4-Link Adjustable Upper Long Flexarms require TeraFlex long flexarm frame brackets. Can also be used for custom link suspensions.


FEATURES & BENEFITS:

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  • HD 1-3/4” x 0.281” wall DOM tubing flexarms for superior strength 

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  • Fully adjustable flexarms optimize pinion & caster angles, & tune anti-squat geometry for proper suspension alignment 
  • Re-centers axles in the wheel well for proper suspension movement or can be used to increase wheelbase
  • Full-range of movement will not restrict articulation or flex off-road

.

  • Forged threaded joints 
  • Premium black e-dipped coating provides superior durability & corrosion resistance on tube & forged rod end housing
  • Anodized 6061-T6 aluminum clamp collar to secure rod end after length adjustment 

.

  • TeraFlex Lifetime Warranty against defects

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SPECS:

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LIFT HEIGHT: 3-6”

(Enduro LCG/ Pro LCG Front Lower & Rear Lower Adjustable Long Flexarms)

LIFT HEIGHT: 4-6”

(Pro LCG Front Upper & Pro Lcg 4-Link Rear Upper Flexarms)

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TJ WRANGLER & LJ WRANGLER UNLIMITED

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PRO LCG

FRONT UPPER ADJUSTABLE LONG FLEXARMS

ENDURO LCG | PRO LCG

FRONT LOWER ADJUSTABLE LONG FLEXARMS

(Same as TJ Rear Lower)

 

Tube Diameter & Wall

1-3/4” x 0.281”

Tube Diameter & Wall

1-3/4” x 0.281”

Factory Length

15-1/8”

Factory Length

15-3/4”

Min. Length

22-1/2”

Min. Length

31-9/16”

Max. Length

24-7/8”

Max. Length

36-3/16”

Both Ends

7/16” (12mm) Bolt

Both Sides

9/16”   (14mm) Bolt

Thread

1-7/8”-18 UNS 

Thread

1-1/4”-12     UNF 

Wrench on Tube

1-1/8” 

Wrench on Tube

1-1/2” 

Wrench on Jam Nut

1-1/4” 

Wrench on Jam Nut

1-7/8” 

Small Flexarm Joint

4116230

Large Flexarm Joint

4116260

Small Flexarm Joint Rebuild Kit

1951100

Large Flexarm Joint Rebuild Kit

1951000



Large Clevite Flexarm Bushing

4915161

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TJ WRANGLER

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PRO LCG 4-LINK

REAR UPPER ADJUSTABLE LONG FLEXARMS

ENDURO LCG | PRO LCG

REAR LOWER ADJUSTABLE LONG FLEXARMS

(Same as TJ/LJ Front Lower)

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Tube Diameter & Wall

1-3/4” x 0.281”

Tube Diameter & Wall

1-3/4” x 0.281”

Factory Length

13-1/4”

Factory Length

15-3/4”

Min. Length

31-9/16”

Min. Length

31-9/16”

Max. Length

36-3/16”

Max. Length

36-3/16”

Both Ends

9/16” (14mm) Bolt

Both Sides

9/16” (14mm) Bolt

Thread

1-1/4”-12 UNF 

Thread

1-1/4”-12 UNF 

Wrench on Tube

1-1/2” 

Wrench on Tube

1-1/2” 

Wrench on Jam Nut

1-7/8” 

Wrench on Jam Nut

1-7/8” 

Large Flexarm Joint

# 4116260

Large Flexarm Joint

# 4116260

Large Flexarm Joint Rebuild Kit

# 1951000

Large Flexarm Joint Rebuild Kit

# 1951000



Large Clevite Flexarm Bushing

# 4915161

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LJ WRANGLER UNLIMITED

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PRO LCG 4-LINK

REAR UPPER ADJUSTABLE LONG FLEXARMS

ENDURO LCG | PRO LCG

REAR LOWER ADJUSTABLE LONG FLEXARMS

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Tube Diameter & Wall

1-3/4” x 0.281”

Tube Diameter & Wall

1-3/4” x 0.281”

Factory Length

13-1/4”

Factory Length

15-3/4”

Min. Length

31-9/16”

Min. Length

41-11/16”

Max. Length

36-3/16”

Max. Length

44-1/16”

Both Ends

9/16" (14mm)   Bolt

Both Ends

9/16” (14mm) Bolt

Thread

1-1/4”-12 UNF 

Thread

1-1/4”-12 UNF 

Wrench on Tube

1-1/2” 

Wrench on Tube

1-1/2” 

Wrench on Jam Nut

1-7/8” 

Wrench on Jam Nut

1-7/8” 

Large Flexarm Joint

4116260

Large Flexarm Joint

4116260

Large Flexarm Joint Rebuild Kit

1951000

Large Flexarm Joint Rebuild Kit

1951000



Large Clevite Flexarm Bushing

4915161

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TJ & LJ UNLIMITED

LCG FRONT ADJUSTABLE LONG FLEXARMS (3-6” LIFT)

Pro LCG Front Upper Adjustable Long Flexarms - Pair

Pro LCG Front Upper Adjustable Short Flexarm - Single

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Enduro LCG/Pro LCG Front Lower Adjustable Long Flexarm Kit - Pair

Enduro LCG/Pro LCG Front Lower Adjustable Long Flexarm - Single

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TJ WRANGLER

LCG REAR ADJUSTABLE LONG FLEXARMS (3-6” LIFT)

Pro LCG 4-Link Rear Upper Adjustable Long Flexarm Kit - Pair

Pro LCG 4-Link Rear Upper Adjustable Long Flexarm - Single

Enduro LCG/Pro LCG Rear Lower Adjustable Long Flexarm Kit - Pair

Enduro LCG/Pro LCG Rear Lower Adjustable Long Flexarm - Single 

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LJ WRANGLER UNLIMITED

LCG REAR ADJUSTABLE LONG FLEXARMS (3-6” LIFT)

Pro LCG 4-Link Rear Upper Adjustable Long Flexarm Kit - Pair

Pro LCG 4-Link Rear Upper Adjustable Long Flexarm - Single

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Enduro LCG/Pro LCG Rear Lower Adjustable Long Flexarm Kit - Pair

Enduro LCG/Pro LCG Rear Lower Adjustable Long Flexarm - Driver

Enduro LCG/Pro LCG Rear Lower Adjustable Long Flexarm - Passenger

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Enduro LCG | Pro LCG | Pro LCG 4-Link

Long Flexarm Brackets – 3-6” Lift

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These are the same brackets used in the TeraFlex high-end Pro LCG and Enduro LCG adjustable long flexarm suspension systems. Can also be used by fabricators for custom applications.

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TJ & LJ UNLIMITED

LCG LONG FLEXARM BRACKETS (3-6” LIFT)

Enduro LCG/Pro LCG Lower Long Flexarm Bracket Kit

Pro LCG Front Upper Long Flexarm Bracket - Driver

Pro LCG Front Upper Long Flexarm Bracket - Passenger

Pro LCG 4-Link Rear Upper Long Flexarm Bracket - Driver       

Pro LCG 4-Link Rear Upper Long Flexarm Bracket - Passenger

Pro LCG 4-Link Axle Truss Bracket

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Enduro LCG | Pro LCG

Adjustable Long Flexarm Upgrade Kits

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Upgrade your TJ Wrangler or LJ Wrangler Unlimited from an adjustable short flexarm kit to an Enduro LCG (Low Center-Of-Gravity) or Pro LCG adjustable long flexarm suspension system. with these TeraFlex LCG Adjustable Long Flexarm Upgrade Kits

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The 1/4”-thick steel brackets are CNC laser cut and precision bent for accurate fitment. Brackets locate using the factory belly pan skid plate bolt holes then stitch welded. These are the same components found in our high-end Enduro LCG and/or Pro LCG adjustable long flexarm suspension systems. 

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Enduro LCG | Pro LCG

Lower Adjustable Long Flexarm Upgrade Kit – 3-6” Lift

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The TeraFlex LCG Lower Adjustable Long Flexarm Upgrade Kit w/ Brackets upgrades your TJ Wrangler or LJ Wrangler Unlimited model’s existing lower adjustable short flexarm kit to an Enduro LCG Adjustable Long Flexarm Suspension System. 

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Combine this kit with the Pro LCG Front Upper Adjustable Long Flexarm Kit and Pro LCG 4-Link Rear Upper Adjustable Long Flexarm Kit to step up to our full Pro LCG {4-Link] Adjustable Long Flexarm Suspension System. 

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INCLUDES (2) Enduro LCG | Pro LCG: front adjustable lower long flexarms, (2) Enduro LCG | Pro LCG: rear lower adjustable long flexarms, (2) frame brackets, and all necessary hardware.

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TJ & LJ UNLIMITED

LCG LOWER LONG FLEXARM UPGRADE KIT (3-6” LIFT)

TJ LCG Lower Adjustable Long Flexarm Upgrade Kit w/ Brackets - Complete

LJ LCG Lower Adjustable Long Flexarm Upgrade Kit w/ Brackets - Complete

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Pro LCG

Front Upper Adjustable Long Flexarm Upgrade Kit – 4-6” Lift

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Upgrade your TJ Wrangler or LJ Wrangler Unlimited front suspension from an Enduro LCG Adjustable Long Flexarm Suspension System to a Pro LCG Front Upper Adjustable Long Flexarm Suspension System with this TJ/LJ Pro LCG Front Upper Adjustable Long Flexarm Upgrade Kit w/ Brackets

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INCLUDES (2) Pro LCG front upper adjustable long flexarms, (2) frame brackets, and more.

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TJ & LJ UNLIMITED

PRO LCG FRONT UPPER LONG FLEXARM UPGRADE KIT (4-6” LIFT)

TJ/LJ Pro LCG Front Upper Adjustable Long Flexarm Upgrade Kit w/ Brackets - Complete

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Pro LCG 4-Link

Rear Upper Adjustable Long Flexarm Upgrade Kit – 4-6” Lift

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Upgrade your TJ Wrangler or LJ Wrangler Unlimited rear suspension from an Enduro LCG Adjustable Flexarm Suspension System to a Pro LCG 4-Link Rear Upper Adjustable Long Flexarm Suspension System with the TeraFlex Pro LCG 4-Link Rear Upper Adjustable Long Flexarm Upgrade Kit w/ Brackets

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INCLUDES (2) Pro LCG 4-Link rear upper adjustable long flexarms, (2) frame brackets, and heavy-duty Pro LCG 4-Link rear axle truss.

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TJ & LJ UNLIMITED

PRO LCG 4-LINK REAR UPPER LONG FLEXARM UPGRADE KIT (4-6” LIFT)

TJ Pro LCG 4-Link Rear Upper Adjustable Long  Flexarm Upgrade Kit w/ Brackets - Complete

LJ Pro LCG 4-Link Rear Upper Adjustable Long Flexarm Upgrade Kit w/ Brackets - Complete

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Adjustable Track Bars

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Adjustable Front Track Bar Kit

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Use the TeraFlex TJ/LJ Adjustable Front Track Bar Kit to fine tune your front suspension and eliminate bump steer. The track bar bushing adds adjustability, improves durability, and reduces the effects of front wheel shimmy. 

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TJ & LJ UNLIMITED

ADJUSTABLE FRONT TRACK BAR

Adjustable Front Track Bar Kit

(Also FITS: ZJ Grand Cherokee and XJ Cherokee)

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ACCESSORIES | REPLACEMENT PARTS

Front Track Bar Replacement Rubber Bushing

(Also FITS: ZJ Grand Cherokee and XJ Cherokee)

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5”+ Lift Pro LCG Adjustable Front Track Bar Kit

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The TeraFlex TJ/LJ 5”+ Lift Pro LCG Front Track Bar is for TJ Wrangler or LJ Wrangler Unlimited models with 5” or more lift. Not compatible with the High Steer Kit. 

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TJ & LJ UNLIMITED

PRO LCG ADJUSTABLE FRONT TRACK BAR (5+” LIFT)  

5”+ Lift Pro LCG Front Track Bar Kit

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ACCESSORIES | REPLACEMENT PARTS

Pro LCG Front Track Bar Upper Frame Bracket Kit

Pro LCG Front Track Bar Rubber Joint Kit - Left Hand Thread

High Steer Front Track Bar Kit

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Designed to be used in conjunction with our TJ/LJ High Steer Kit, the TeraFlex TJ/LJ High Steer Front Track Bar Kit allows you to fine tune the drag link and track bar angles to eliminate and correct bump steer and other front-end issues. The brackets feature multiple mounting holes to fine tune for lift height and track bar position by aligning the track bar and drag link as close to parallel as possible.

TJ & LJ UNLIMITED

HIGH STEER FRONT TRACK BAR 

High Steer Front Track Bar Kit w/ Brackets

High Steer Front Track Bar

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ACCESSORIES | REPLACEMENT PARTS

High Steer Front Track Bar Upper Frame Bracket Kit

High Steer Front Track Bar Lower Axle Bracket Kit

Front High Steer Track Bar Rubber Joint Kit - Right-Hand Thread

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Adjustable Rear Track Bar Kit

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Use the TeraFlex TJ/LJ Adjustable Rear Track Bar to center the rear axle under your TJ Wrangler or LJ Wrangler Unlimited as well as increase rear wheel droop and reduce track bar binding during suspension travel. Uses a zerk fitting for easy greasing.

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TJ & LJ UNLIMITED

ADJUSTABLE REAR TRACK BAR 

Adjustable Rear Track Bar Kit

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ACCESSORIES | REPLACEMENT PARTS  

Rear Track Bar Axle Bracket Kit

Rear Track Bar Joint Kit - Right-Hand Thread

Joint Rebuild Kit: Adjustable Flexarm | Rear Track Bar      
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Check out all of our TeraFlex Suspensions Lifts, Off-Road Performance Parts, and Jeep Accessories HERE!

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- Jason Udy 

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