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Synergy Upper Control Arm Hardware Kit for 2007-2018 Jeep Wrangler JK/JKU

The Synergy Jeep JK / JKU Upper Control Arm Hardware Kit is a necessary upgrade whether you’re cruising the back roads or tackling rock gardens. Installing a lift kit on your Wrangler is a great way to make it look more aggressive and increase ground clearance. Unfortunately, that leads to increased stress on the entire suspension. We’ve curated this hardware kit for improved strength and durability over stock to give you the confidence to hit the trail.

Fitment:

Part # Fitment
8051-01 2007 – 2018 Jeep JK / JKU

Benefits: 

  • High strength hardware improves shear resistance in critical areas, preventing stretching shearing, or snapping bolts in high impact scenarios and extreme wheeling 
  • Replaces the specialized nut tabs that tend to get destroyed from offroad abuse with heavy duty, corrosion resistant zinc plated tabs 
  • Provides necessary strength and superior longevity for the increased load on hardware in lifted or modified applications 
  • Extra thick, hardened flat washers won’t deform or contort like standard washers Hardware install can easily be done with simple hand tools, making it an effective and convenient upgrade 

Features: 

  • Heavy duty grade 8 hardware 
  • Corrosion resistant hardware and nut tabs 

Notes: 

  • For install: 
    • Follow steps 2, 4-5 in the installation instructions 
    • Remove only one control arm at a time during install to prevent unwanted axle movement

Installation Instructions

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The Synergy Sealed Sway Bar Link Tie Rod End is the final step to a full front end refresh! Sway bar end links play a crucial role in your vehicles performance. The Synergy replacement sway bar link tie rod ends will restore your sway bar ends links to the out of the box feel. They can easily be replaced and installed with basic hand tools. 

These are replacements for any of our Synergy Sway Bar Link Kits listed below.

Fitments:

Part # Stud Thread Size Fitment
4132 STUD: 1/2-20  HOLE: 1/2-20 8059-11, 8060-11, 8515-11, 8515-12, 8715-01, 8715-02
4165-01 STUD: M12-1.75  HOLE: 1/2-20 8859-11,  8860-11,8861-11

Benefits: 

  • Clear Zinc Plated for maximum corrosion resistance
  • Heavy duty forged steel prevents unwanted flex
  • Easy refresh for existing Synergy Sway Bar Links – you don’t have to buy a whole new kit

Features:

  • Synergy Sealed Sway Bar Link Tie Rod End Replacement
  • 1/2-20 UNF thread (TRE Body)
  • Made from forged 1040 steel

Includes:

4132 4165-01
(1) Synergy Sealed Sway Bar Link Tie Rod End Replacement for 1/2″-20 Stud (1) Synergy Sealed Sway Bar Link Tie Rod End Replacement for M12 – 1.75 Stud

Notes: 

Prop. 65 Warning for California ResidentsMore information: www.p65warnings.ca.gov
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Synergy Jeep Heavy Duty Replacement Tie Rod & Drag Link Ends are the exact replacement ends for your Synergy Jeep Steering Kits. Forged housings surrounding fully greaseable, sintered metal on metal bushings provide long-lasting, high performance ends. With studs made from 4140 steel and a larger shank, these rod ends outperform and outlast all other OEM and aftermarket options.

Fitment:

Synergy Part # Fitment Driver Side
Tie Rod End
Passenger Side
Tie Rod End
Driver Side
Tie Rod End Boot
Passenger Side Tie
Rod End Boot
8000-01 JK / JKU Drag Link 4139-L 4131-L 4131-01 4131-01
8002-15 JK / JKU Tie Rod 4139-L 4131-L 4131-01 4131-01
8121-01 TJ / LJ / XJ / ZJ / MJ Tie Rod 4135-L  4135-R 4131-01 4131-01
8121-02 TJ / LJ / XJ / ZJ / MJ Drag Link 4135-L 4137-L 4131-01 4131-01
8155-01 TJ/LJ, XJ, ZJ, MJ Adjustable Front Track Bar 4135-L 4131-01
8800-01 JL / JLU / JT Drag Link 4162-L 4163-L 4131-01 4131-01
8802-01 JL / JLU / JT Tie Rod 4163-L 4164-L 4131-01 4131-01

Tie Rod End Specs:

Part # Description Thread Taper Style
4131-L HD Tie Rod End, Left Hand Thread for JK’s 7/8-18 Left Hand 1:8 Taper (7.125 DEG INCL ANGLE) Standard
4131-R HD Tie Rod End, Right Hand Thread for JK’s 7/8-18 Right Hand 1:8 Taper (7.125 DEG INCL ANGLE) Standard
4135-L HD Tie Rod End, Left Hand Thread for TJ/XJ/ZJ’s 7/8-18 Left Hand 1:8 Taper (7.125 DEG INCL ANGLE) Standard
4135-R HD Tie Rod End, Right Hand Thread for TJ/XJ/ZJ’s 7/8-18 Right Hand 1:8 Taper (7.125 DEG INCL ANGLE) Standard
4137-L HD Tie Rod End, Left Hand Thread for TJ/XJ/ZJ’s 7/8-18 Left Hand 1:8 Taper (7.125 DEG INCL ANGLE) Single Plane
4139-L HD Tie Rod End, Left Hand Thread for JK’s 7/8-18 Left Hand 1:8 Taper (7.125 DEG INCL ANGLE) Single Plane
4161-L HD Tie Rod End, Left Hand Thread for JL 1-14 Left Hand 1:6 Taper (9.5 DEG INCL ANGLE) Single Plane
4162-L HD Tie Rod End, Left Hand Thread for JL / JT Drag Link 1-14 Left Hand 1:8 Taper (7.125 DEG INCL ANGLE) Single Plane
4163-L HD Tie Rod End, Left Hand Thread for JL / JT Drag Link and Tie Rod 1-14 Left Hand 1:6 Taper (9.5 DEG INCL ANGLE) Standard
4164-L HD Tie Rod End, Left Hand Thread for JL / JT Tie Rod 1-14 Left Hand 1:6 Taper (9.5 DEG INCL ANGLE) Single Plane
4166-L Conversion Tie Rod End (Pitman side). Adapts 8000-01 Drag Link for
JL / JT with Ultimate Dana 60 axle housings only.
7/8-18 Left Hand 1:8 Taper (7.125 DEG INCL ANGLE) Single Plane
4167-L HD Tie Rod End, Left Hand Thread for JL /JT Tie Rod 1-14 Left Hand 1:6 Taper (9.5 DEG INCL ANGLE) Single Plane

Benefits:

  • Engineered with grease grooves in the ball bearings, achieving the longest lasting metal on metal rod end on the market with maximum lubrication and wear resistance
  • Eliminating the nylon ball race allows for a larger ball bearing and increased strength
  • The spring loaded bearing design keeps pressure on the bearings and the joint tight as it wears, preventing premature play
  • Outperforms factory and all other aftermarket style tie rod ends by offering a larger shank with no stress riser (doesn’t neck down at base), preventing premature failure

Features:

  • Fully greaseable sintered metal on metal bushing design has high wear resistance
  • Precision engineered grease grooves in the OD of the induction heat treated ball bearing
  • Ultra-strong forged bearing housing made from 1018 steel
  • Spring loaded bearing design keeps pressure on bearings and keeps the joint tight as it wears
  • Tie Rod End stud made from 4140 steel with an extra large shank
  • Heavy duty nitrile-butadiene rubber (NBR) boots and retaining springs
  • DynaFlo 1/4′-28 straight steel zinc grease zerk fittings with ball check

Notes:

  • These tie rod ends are replacements for Synergy MFG steering bars only – please refer to fitment table to ensure product fitment; They will not replace a factory steering linkage end
  • Synergy High Performance Grease is the recommended grease for this product
  • Single Plane tie rod ends offer misalignment in one direction of movement only. This eliminates drag link flop on the products they are designed for
  • Zerk specs: DynaFlo 1/4′-28 straight steel zinc grease fittings with ball check
4131 Exploded View
413X Exploded View
Comparison
Comparison
GM 1 Ton Replacement w/ Nylon Bushing
GM 1 Ton Replacement w/ Nylon Bushing

  
Prop. 65 Warning for California ResidentsMore information: www.p65warnings.ca.gov
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Synergy Upper/Lower Control Arm & Track Bar Hardware Kit Front/Rear for 2007-2018 Jeep Wrangler JK

Features:

  • High strength hardware
  • Replaces the Lower Control Arm (LCA) & Upper Control Arm (UCA) hardware and specialized nut tabs that get destroyed from wheeling abuse
  • Replaces the Rear Track Bar (TB) bolts which often get worn out from service
  • Replaces the Front Track Bar Frame Side (TB) bolt on 2012+ JK with a 14mm bolt
  • Includes hardened extra thick washers that will not deform or contort like standard washers

Complete Kit Includes:

(1) Lower Control Arm & Track Bar Hardware Kit (Synergy Lower Control Arm & Track Bar Hardware Kit Front and Rear for 2007-2018 Jeep Wrangler JK)

  • (8) 9/16-18 UNF x 4.0″ long bolts (LCAs)
  • (4) 9/16-18 UNF x 3.0″ long bolts (TBs)
  • (12) 9/16-18 UNF Stover top lock nuts
  • (24) 9/16″ Extra Thick hardened flat washers
  • (1) M14-2.0 x 80mm bolt (2012+ Front Frame Side Track Bar Bracket)
  • (1) M14-2.0 Stover top lock nut

(1) Upper Control Arm Hardware Kit (8050-01)

  • (4) 9/16-18 UNF x 3.50″ long bolts (RUCAs)
  • (4) M12 X 1.50 85MM (3.50″) long bolts (FUCAs)
  • (4) M12 x 1.50 Stover top lock nuts
  • (4) 9/16″ Extra Thick hardened flat washers
  • (8) 1/2″ Extra Thick hardened flat washers
  • (2) Rear Upper Control Arm Nut Tab, Frame Side
  • (2) Rear Upper Control Arm Nut Tab, Axle Side

Installation Instructions

Prop. 65 Warning for California ResidentsMore information: www.p65warnings.ca.gov
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