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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
7

on

The 4/4.5″ Stage 3 System includes all the components from the Stage 2 System but exchanges the Fixed Length Lower Control Arms for Adjustable Lower Control Arms (8051, 8052) and adds Adjustable Upper Control Arms (8053, 8054) front and rear. The Adjustable Control Arms are required for locating the front/rear axles with lift heights over 3″ & for adjusting the pinion angles when using aftermarket 1310-1350 drive shafts. This system also adds Front and Rear Adjustable Track Bars for centering the axles under the vehicle at the increased ride height. This system will fit 37″ tires with stock fenders or 40″ tires with high fenders.

Fitments:

Part # Description
8023-40 JK / JKU 2-Door 4″ Lift Stage 3 Kit (Fits 37″ Tires, 40″ with High Fenders)
8043-45 JK / JKU 4-Door 4.5″ Lift Stage 3 Kit (Fits 37″ Tires, 40″ with High Fenders)
8023-40-RHD JK / JKU 2-Door 4″ Lift Stage 3 Kit (RHD) (Fits 37″ Tires, 40″ with High Fenders)
8043-45-RHD JK / JKU 4-Door 4.5″ Lift Stage 3 Kit (RHD) (Fits 37″ Tires, 40″ with High Fenders)

Fitment Notes:

  • 2012+ JK’s lifted over 2″ will require exhaust spacers (5017), or a front aftermarket drive shaft to prevent interference with the exhaust.
  • 3″ and up lifts, aftermarket driveshafts are recommended
  • Springs are designed to provide the advertised amount of lift with use of aftermarket bumpers, winches, & tire carriers. More lift will occur on vehicles in stock trim.
  • Springs retain the factory rake of the vehicle where the rear is higher than the front. Vehicle should sit level when loaded. Request one size shorter rear springs to level the vehicle out when unloaded.
  • Requires 16″ or larger wheel diameter
  • RHD = Right Hand Drive

Features:

  • Stage 3 key features are front and rear track bar relocation brackets, flipped drag link, and adjustable upper and lower control arms
  • Front and rear bump stop extension kits
  • Front and rear sway bar links
  • Front and rear extended stainless steel braided brake lines
  • Synergy double adjuster sleeve & pinch bolt assembly allows for adjustment of control arm, track bar, tie rod, and drag link length without removal
  • Front and rear track bar relocation brackets raise track bar mounting positions increasing suspension roll center heights which improves handling on and off road
  • Lower control arms manufactured from high quality crush resistant 1-3/4″ X .188″ Wall 1026 DOM tubing to increase durability and correct caster
  • Features Synergy Dual Durometer Bushings (DDB) with Teflon® bearing surface for a maintenance free design focusing on performance, flex, longevity, and ride quality.
  • Front and rear lower shock mounts
  • Optional front sway bar disconnect system for ultimate trail articulation mounts sway bar up and out of the way when disconnected from the axle
  • Progressive wound coil spring manufactured using the latest in CNC hot winding technology keeps spring from coming unbound at full suspension droop
  • Suspension components feature an abrasion-resistant powder coat finish for maximum durability and corrosion resistance
  • 100% bolt on components assure an easy, trouble free installation with the use of basic hand tools
  • Requires a maximum 4-3/4″ backspace wheel or wheel spacer with factory wheel setup. 4-1/2″ back spacing is recommended
  • Synergy suspension systems are a modular design so all components are available separately
  • Available For Right Hand Drive (RHD) Vehicles

Includes:

8023-40 / 8043-45 Includes:

8023-40 – 2-Door Jeep JK / JKU 8043-45 – 4-Door Jeep JK / JKU
(1) 8063-30 4″ Front Coil Springs
(1) 8064-30 4″ Rear Coil Springs
(1) 8057-10 Snap-Lock Bump Stop Spacers
(1) 8858-40 Rear Bump-stop Extension, 4.0 Tall
(1) 8059-11 Front Sway Bar Links
(1) 8060-11 Rear Sway Bar Links
(2) 8066 Front/Rear Brake Line Kit
(1) 8056 Rear Track Bar Bracket
(1) 8062 Rear Track Bar
(1) 8055 Front Track Bar Bracket
(1) 8075-02 Front Track Bar
(1) 8000-01 Drag Link
(1) 8051 Adjustable Front Lower Control Arms
(1) 8052 Adjustable Rear Lower Control Arms
(1) 8053 Adjustable Front Upper Control Arms
(1) 8054 Adjustable Rear Upper Control Arms
(1) 8074 Rear Lower Shock Mounts
(1) 8073 Front Lower Shock Mounts
(1) 8097 Rear Coil Wedges		 (1) 8063-45 4.5″ Front Coil Springs
(1) 8064-45 4.5″ Rear Coil Springs
(1) 8057-10 Snap-Lock Bump Stop Spacers
(1) 8858-40 Rear Bump-stop Extension, 4.0 Tall
(1) 8059-11 Front Sway Bar Links
(1) 8060-11 Rear Sway Bar Links
(2) 8066 Front/Rear Brake Line Kit
(1) 8056 Rear Track Bar Bracket
(1) 8062 Rear Track Bar
(1) 8055 Front Track Bar Bracket
(1) 8075-02 Front Track Bar
(1) 8000-01 Drag Link
(1) 8051 Adjustable Front Lower Control Arms
(1) 8052 Adjustable Rear Lower Control Arms
(1) 8053 Adjustable Front Upper Control Arms
(1) 8054 Adjustable Rear Upper Control Arms
(1) 8074 Rear Lower Shock Mounts
(1) 8073 Front Lower Shock Mounts
(1) 8097 Rear Coil Wedges

8023-40-RHD / 8043-45-RHD Includes:

8023-40-RHD – 2-Door Jeep JK / JKU (RHD) 8043-45-RHD – 4-Door Jeep JK / JKU (RHD)
(1) 8063-30 4″ Front Coil Springs
(1) 8064-30 4″ Rear Coil Springs
(1) 8057-10 Snap-Lock Bump Stop Spacers
(1) 8858-40 Rear Bump-stop Extension, 4.0 Tall
(1) 8059-11 Front Sway Bar Links
(1) 8060-11 Rear Sway Bar Links
(2) 8066 Front/Rear Brake Line Kit
(1) 8056-RHD Rear Track Bar Bracket (RHD)
(1) 8068 Rear Track Bar (RHD)
(1) 8091 Front Track Bar Bracket (RHD)
(1) 8087 Front Track Bar (RHD)
(1) 8000-01 Drag Link
(1) 8051 Adjusable Front Lower Control Arms
(1) 8052 Adjustable Rear Lower Control Arms
(1) 8053 Adjustable Front Upper Control Arms
(1) 8054 Adjustable Rear Upper Control Arms
(1) 8074 Rear Lower Shock Mounts
(1) 8073 Front Lower Shock Mounts
(1) 8097 Rear Coil Wedges		 (1) 8063-45 4.5″ Front Coil Springs
(1) 8064-45 4.5″ Rear Coil Springs
(1) 8057-10 Snap-Lock Bump Stop Spacers
(1) 8858-40 Rear Bump-stop Extension, 4.0 Tall
(1) 8059-11 Front Sway Bar Links
(1) 8060-11 Rear Sway Bar Links
(2) 8066 Front/Rear Brake Line Kit
(1) 8056-RHD Rear Track Bar Bracket (RHD)
(1) 8068 Rear Track Bar (RHD)
(1) 8091 Front Track Bar Bracket (RHD)
(1) 8087 Front Track Bar (RHD)
(1) 8000-01 Drag Link
(1) 8051 Adjustable Front Lower Control Arms
(1) 8052 Adjustable Rear Lower Control Arms
(1) 8053 Adjustable Front Upper Control Arms
(1) 8054 Adjustable Rear Upper Control Arms
(1) 8074 Rear Lower Shock Mounts
(1) 8073 Front Lower Shock Mounts
(1) 8097 Rear Coil Wedges
Prop. 65 Warning for California ResidentsMore information: www.p65warnings.ca.gov
6

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Synergy Lithium Complex Extreme Pressure (EP) Grease is powered by Micro-Armor Solid-Film Lubrication Technology, which utilizes patented “micro-particles” to outperform ALL other grease technologies in extreme friction applications by repairing and smoothing damaged metal surfaces while reducing friction and heat. NLGI rated GC-LB, the highest rating awarded for chassis and wheel bearing grease. Comes in a 14oz / 397g tube and is designed to be used in a standard size grease gun. Sold individually or in a case of 12.

The corrosive resistant protective film repairs and prevents damage on metal surfaces that see friction or heat including roller bearings, wheel bearings, suspension joints, ball joints, u-joints, and tie rod ends. Does it need grease? Then it needs THIS grease. 

Part # Description
4119 Synergy High Performance Chassis & Bearing Grease – (1) 14oz Tube
4119-12 Synergy High Performance Chassis & Bearing Grease – (12) 14oz Tubes

Fitment:

  • Racing Applications
  • Trucks/4×4/SUV
  • ATV/UTV
  • Motorcycle
  • Marine/Powerboat
  • Snowmobile
  • Tractor Trailer
  • Shop & Factory
  • Industrial Equipment
  • Machinery
  • Lawn/Snow Equipment

Benefits: 

  • Improves lubrication
  • Reduces friction, dropping operating temperatures
  • Reduces wear on metal surfaces
  • Extends equipment life 

Features: 

  • Unique Plating Action
  • Corrosion Resistant Protective Film
  • Water Resistant
  • NLGI rated GC-LB

Includes:

4119 4119-12
(1) Tube of High Performance Chassis and Bearing Grease (12) Tubes of High Performance Chassis and Bearing Grease

Notes: 

  • The 14oz / 397g tube is designed to be used in a standard size grease gun.

Prop. 65 Warning for California ResidentsMore information: www.p65warnings.ca.gov
6

on

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
8