JKS Manufacturing 2018-2021 Jeep Wrangler JL 3.5in Rear Coil Spring Kit - STD

SKU: BKWD_JSPEC161PES
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From hardcore rock crawling to high-speed desert, the J-Krawl System ...Read More

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Sale price$8,959.05
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit
From hardcore rock crawling to high-speed desert, the J-Krawl System brings a level of performance and adjustability that makes it the go to package for many Jeep enthusiasts. These systems build on the base systems and add comments for a full overhaul of the factory suspension to maximum articulation, strength and allow for adjustability. Components include J-Flex upper and lower control arms, Jspec dual rate coil springs, an adjustable front track bar, a rear track bar bracket, quicker disconnect front sway bar end links, and bump stop extensions. This particular kit features next level performance from the FOX 2.5 Performance Elite Series shocks with DSC adjustment to deliver next level performance with easy adjustment to dial in high-speed/low-speed compression damping for improved performance across off terrains. J-Krawl builds off Jeep’s factory suspension mounting points and upgrades everything front to rear. Adjustability is important for fine tuning suspension geometry. J-Krawl delivers. Dial in front caster, rear pinion and overall vehicle wheelbase. Take your Jeep's off-road performance and strength to the next level. It should be noted that an aftermarket front driveshaft is strongly recommended due to potential additional travel.


Specifications:

Description_DES J-Krawl 3.5" Lift Kit
Description_LAB 2020-21 Jeep JL J-Krawl 3.5in 4Dr w/Fox 2.5 Performance Elite Shocks - DIESEL
Description_SHO 3.5" Lift Kit
Description_ASM Jeep Wrangler JL 4-Door DIESEL
Description_ASC Rubicon Models (all kits): Tire: 37x12.50; Wheel: 17x9, 18x9, 20x9; Backspacing: 5"; Non-Rubicon Models (all kits): Tire: 35x12.50; Wheel: 17x9, 18x9, 20x9; Backspacing: 5"; Other tire/wheel sizes can be used, however may require additional modifications.
Description_INV JKS J-KRAWL 3.5IN LIFT KIT
Description_EXT J-Krawl: Delivers high articulation, full adjustability, and extreme durability for on and off-road use with J-Flex upper and lower control arms and FOX shocks.
Description_FAB Front/Rear Dual Rate Coil Springs designed for great ride quality across any terrain
Description_FAB Front/Rear FOX 2.5 Performance Elite Series Shocks specifically valved for this suspension system for improved performance on and off-road
Description_FAB Front Adjustable Track Bar and Rear Track Bar Bracket to correct axle positioning under vehicle
Description_FAB Front Sway Bar Quicker Disconnects and Rear Sway Bar Links for increased off-road articulation
Description_FAB Front/Rear Bump Stop Extensions to properly limit suspension up travel
Description_FAB Front/Rear J-Flex Upper and Lower Control Arms to add strength and adjustability
Description_MKT From hardcore rock crawling to high-speed desert, the J-Krawl System brings a level of performance and adjustability that makes it the go to package for many Jeep enthusiasts. These systems build on the base systems and add comments for a full overhaul of the factory suspension to maximum articulation, strength and allow for adjustability. Components include J-Flex upper and lower control arms, Jspec dual rate coil springs, an adjustable front track bar, a rear track bar bracket, quicker disconnect front sway bar end links, and bump stop extensions. This particular kit features next level performance from the FOX 2.5 Performance Elite Series shocks with DSC adjustment to deliver next level performance with easy adjustment to dial in high-speed/low-speed compression damping for improved performance across off terrains. J-Krawl builds off Jeep’s factory suspension mounting points and upgrades everything front to rear. Adjustability is important for fine tuning suspension geometry. J-Krawl delivers. Dial in front caster, rear pinion and overall vehicle wheelbase. Take your Jeep's off-road performance and strength to the next level. It should be noted that an aftermarket front driveshaft is strongly recommended due to potential additional travel.
Description_DEF Suspension Lift Kit
Description_DES Kit: 18-ON Jeep JL, Front, Internal Bypass, 3.0 Series, R/R, 8.8", 2-3" Lift, DSC
Description_DES Kit: 18-ON Jeep JL, Rear, Internal Bypass, 3.0 Series, P/B, 9.8", 2-3" Lift, DSC
Description_DES 2018-2021 Jeep Wrangler JL/JT Adjustable Front UCA
Description_DES 2018-2021 Jeep Wrangler JL Front Lower J-Flex Control Arm Kit
Description_DES 2018-2021 Jeep Wrangler JL Rear Adjustable LCA
Description_DES 2018-2021 Jeep Wrangler JL/JK Rear Adjustable UCA
Description_DES 2018-2021 Jeep Wrangler JL J-Krawl Main Box Kit
Description_DES 2018-2021 Jeep Wrangler JL 3.5in Front Coil Spring Kit - HD
Description_DES 2018-2021 Jeep Wrangler JL 3.5in Rear Coil Spring Kit - STD


This Part Fits:

Year Make Model Submodel Notes
2021 Jeep Wrangler Unlimited High Altitude
2022 Jeep Wrangler Unlimited High Altitude
2020 Jeep Wrangler Unlimited Rubicon
2021 Jeep Wrangler Unlimited Rubicon
2022 Jeep Wrangler Unlimited Rubicon
2020 Jeep Wrangler Unlimited Sahara
2021 Jeep Wrangler Unlimited Sahara
2022 Jeep Wrangler Unlimited Sahara
2021 Jeep Wrangler Unlimited Sahara Altitude
2022 Jeep Wrangler Unlimited Sahara Altitude
2020 Jeep Wrangler Unlimited Sport
2021 Jeep Wrangler Unlimited Sport
2022 Jeep Wrangler Unlimited Sport
2021 Jeep Wrangler Unlimited Sport Altitude
2022 Jeep Wrangler Unlimited Sport Altitude
2020 Jeep Wrangler Unlimited Sport S
2021 Jeep Wrangler Unlimited Sport S
2022 Jeep Wrangler Unlimited Sport S
2021 Jeep Wrangler Unlimited Willys
2022 Jeep Wrangler Unlimited Willys
2021 Jeep Wrangler Unlimited Willys Sport
2022 Jeep Wrangler Unlimited Willys Sport

Product Details

Product Description
Part Numbers
Sizing & Fit
From hardcore rock crawling to high-speed desert, the J-Krawl System brings a level of performance and adjustability that makes it the go to package for many Jeep enthusiasts. These systems build on the base systems and add comments for a full overhaul of the factory suspension to maximum articulation, strength and allow for adjustability. Components include J-Flex upper and lower control arms, Jspec dual rate coil springs, an adjustable front track bar, a rear track bar bracket, quicker disconnect front sway bar end links, and bump stop extensions. This particular kit features next level performance from the FOX 2.5 Performance Elite Series shocks with DSC adjustment to deliver next level performance with easy adjustment to dial in high-speed/low-speed compression damping for improved performance across off terrains. J-Krawl builds off Jeep’s factory suspension mounting points and upgrades everything front to rear. Adjustability is important for fine tuning suspension geometry. J-Krawl delivers. Dial in front caster, rear pinion and overall vehicle wheelbase. Take your Jeep's off-road performance and strength to the next level. It should be noted that an aftermarket front driveshaft is strongly recommended due to potential additional travel.


Specifications:

Description_DES J-Krawl 3.5" Lift Kit
Description_LAB 2020-21 Jeep JL J-Krawl 3.5in 4Dr w/Fox 2.5 Performance Elite Shocks - DIESEL
Description_SHO 3.5" Lift Kit
Description_ASM Jeep Wrangler JL 4-Door DIESEL
Description_ASC Rubicon Models (all kits): Tire: 37x12.50; Wheel: 17x9, 18x9, 20x9; Backspacing: 5"; Non-Rubicon Models (all kits): Tire: 35x12.50; Wheel: 17x9, 18x9, 20x9; Backspacing: 5"; Other tire/wheel sizes can be used, however may require additional modifications.
Description_INV JKS J-KRAWL 3.5IN LIFT KIT
Description_EXT J-Krawl: Delivers high articulation, full adjustability, and extreme durability for on and off-road use with J-Flex upper and lower control arms and FOX shocks.
Description_FAB Front/Rear Dual Rate Coil Springs designed for great ride quality across any terrain
Description_FAB Front/Rear FOX 2.5 Performance Elite Series Shocks specifically valved for this suspension system for improved performance on and off-road
Description_FAB Front Adjustable Track Bar and Rear Track Bar Bracket to correct axle positioning under vehicle
Description_FAB Front Sway Bar Quicker Disconnects and Rear Sway Bar Links for increased off-road articulation
Description_FAB Front/Rear Bump Stop Extensions to properly limit suspension up travel
Description_FAB Front/Rear J-Flex Upper and Lower Control Arms to add strength and adjustability
Description_MKT From hardcore rock crawling to high-speed desert, the J-Krawl System brings a level of performance and adjustability that makes it the go to package for many Jeep enthusiasts. These systems build on the base systems and add comments for a full overhaul of the factory suspension to maximum articulation, strength and allow for adjustability. Components include J-Flex upper and lower control arms, Jspec dual rate coil springs, an adjustable front track bar, a rear track bar bracket, quicker disconnect front sway bar end links, and bump stop extensions. This particular kit features next level performance from the FOX 2.5 Performance Elite Series shocks with DSC adjustment to deliver next level performance with easy adjustment to dial in high-speed/low-speed compression damping for improved performance across off terrains. J-Krawl builds off Jeep’s factory suspension mounting points and upgrades everything front to rear. Adjustability is important for fine tuning suspension geometry. J-Krawl delivers. Dial in front caster, rear pinion and overall vehicle wheelbase. Take your Jeep's off-road performance and strength to the next level. It should be noted that an aftermarket front driveshaft is strongly recommended due to potential additional travel.
Description_DEF Suspension Lift Kit
Description_DES Kit: 18-ON Jeep JL, Front, Internal Bypass, 3.0 Series, R/R, 8.8", 2-3" Lift, DSC
Description_DES Kit: 18-ON Jeep JL, Rear, Internal Bypass, 3.0 Series, P/B, 9.8", 2-3" Lift, DSC
Description_DES 2018-2021 Jeep Wrangler JL/JT Adjustable Front UCA
Description_DES 2018-2021 Jeep Wrangler JL Front Lower J-Flex Control Arm Kit
Description_DES 2018-2021 Jeep Wrangler JL Rear Adjustable LCA
Description_DES 2018-2021 Jeep Wrangler JL/JK Rear Adjustable UCA
Description_DES 2018-2021 Jeep Wrangler JL J-Krawl Main Box Kit
Description_DES 2018-2021 Jeep Wrangler JL 3.5in Front Coil Spring Kit - HD
Description_DES 2018-2021 Jeep Wrangler JL 3.5in Rear Coil Spring Kit - STD


This Part Fits:

Year Make Model Submodel Notes
2021 Jeep Wrangler Unlimited High Altitude
2022 Jeep Wrangler Unlimited High Altitude
2020 Jeep Wrangler Unlimited Rubicon
2021 Jeep Wrangler Unlimited Rubicon
2022 Jeep Wrangler Unlimited Rubicon
2020 Jeep Wrangler Unlimited Sahara
2021 Jeep Wrangler Unlimited Sahara
2022 Jeep Wrangler Unlimited Sahara
2021 Jeep Wrangler Unlimited Sahara Altitude
2022 Jeep Wrangler Unlimited Sahara Altitude
2020 Jeep Wrangler Unlimited Sport
2021 Jeep Wrangler Unlimited Sport
2022 Jeep Wrangler Unlimited Sport
2021 Jeep Wrangler Unlimited Sport Altitude
2022 Jeep Wrangler Unlimited Sport Altitude
2020 Jeep Wrangler Unlimited Sport S
2021 Jeep Wrangler Unlimited Sport S
2022 Jeep Wrangler Unlimited Sport S
2021 Jeep Wrangler Unlimited Willys
2022 Jeep Wrangler Unlimited Willys
2021 Jeep Wrangler Unlimited Willys Sport
2022 Jeep Wrangler Unlimited Willys Sport

Product Details

Product Description
From hardcore rock crawling to high-speed desert, the J-Krawl System brings a level of performance and adjustability that makes it the go to package for many Jeep enthusiasts. These systems build on the base systems and add comments for a full overhaul of the factory suspension to maximum articulation, strength and allow for adjustability. Components include J-Flex upper and lower control arms, Jspec dual rate coil springs, an adjustable front track bar, a rear track bar bracket, quicker disconnect front sway bar end links, and bump stop extensions. This particular kit features next level performance from the FOX 2.5 Performance Elite Series shocks with DSC adjustment to deliver next level performance with easy adjustment to dial in high-speed/low-speed compression damping for improved performance across off terrains. J-Krawl builds off Jeep’s factory suspension mounting points and upgrades everything front to rear. Adjustability is important for fine tuning suspension geometry. J-Krawl delivers. Dial in front caster, rear pinion and overall vehicle wheelbase. Take your Jeep's off-road performance and strength to the next level. It should be noted that an aftermarket front driveshaft is strongly recommended due to potential additional travel.


Specifications:

Description_DES J-Krawl 3.5" Lift Kit
Description_LAB 2020-21 Jeep JL J-Krawl 3.5in 4Dr w/Fox 2.5 Performance Elite Shocks - DIESEL
Description_SHO 3.5" Lift Kit
Description_ASM Jeep Wrangler JL 4-Door DIESEL
Description_ASC Rubicon Models (all kits): Tire: 37x12.50; Wheel: 17x9, 18x9, 20x9; Backspacing: 5"; Non-Rubicon Models (all kits): Tire: 35x12.50; Wheel: 17x9, 18x9, 20x9; Backspacing: 5"; Other tire/wheel sizes can be used, however may require additional modifications.
Description_INV JKS J-KRAWL 3.5IN LIFT KIT
Description_EXT J-Krawl: Delivers high articulation, full adjustability, and extreme durability for on and off-road use with J-Flex upper and lower control arms and FOX shocks.
Description_FAB Front/Rear Dual Rate Coil Springs designed for great ride quality across any terrain
Description_FAB Front/Rear FOX 2.5 Performance Elite Series Shocks specifically valved for this suspension system for improved performance on and off-road
Description_FAB Front Adjustable Track Bar and Rear Track Bar Bracket to correct axle positioning under vehicle
Description_FAB Front Sway Bar Quicker Disconnects and Rear Sway Bar Links for increased off-road articulation
Description_FAB Front/Rear Bump Stop Extensions to properly limit suspension up travel
Description_FAB Front/Rear J-Flex Upper and Lower Control Arms to add strength and adjustability
Description_MKT From hardcore rock crawling to high-speed desert, the J-Krawl System brings a level of performance and adjustability that makes it the go to package for many Jeep enthusiasts. These systems build on the base systems and add comments for a full overhaul of the factory suspension to maximum articulation, strength and allow for adjustability. Components include J-Flex upper and lower control arms, Jspec dual rate coil springs, an adjustable front track bar, a rear track bar bracket, quicker disconnect front sway bar end links, and bump stop extensions. This particular kit features next level performance from the FOX 2.5 Performance Elite Series shocks with DSC adjustment to deliver next level performance with easy adjustment to dial in high-speed/low-speed compression damping for improved performance across off terrains. J-Krawl builds off Jeep’s factory suspension mounting points and upgrades everything front to rear. Adjustability is important for fine tuning suspension geometry. J-Krawl delivers. Dial in front caster, rear pinion and overall vehicle wheelbase. Take your Jeep's off-road performance and strength to the next level. It should be noted that an aftermarket front driveshaft is strongly recommended due to potential additional travel.
Description_DEF Suspension Lift Kit
Description_DES Kit: 18-ON Jeep JL, Front, Internal Bypass, 3.0 Series, R/R, 8.8", 2-3" Lift, DSC
Description_DES Kit: 18-ON Jeep JL, Rear, Internal Bypass, 3.0 Series, P/B, 9.8", 2-3" Lift, DSC
Description_DES 2018-2021 Jeep Wrangler JL/JT Adjustable Front UCA
Description_DES 2018-2021 Jeep Wrangler JL Front Lower J-Flex Control Arm Kit
Description_DES 2018-2021 Jeep Wrangler JL Rear Adjustable LCA
Description_DES 2018-2021 Jeep Wrangler JL/JK Rear Adjustable UCA
Description_DES 2018-2021 Jeep Wrangler JL J-Krawl Main Box Kit
Description_DES 2018-2021 Jeep Wrangler JL 3.5in Front Coil Spring Kit - HD
Description_DES 2018-2021 Jeep Wrangler JL 3.5in Rear Coil Spring Kit - STD


This Part Fits:

Year Make Model Submodel Notes
2021 Jeep Wrangler Unlimited High Altitude
2022 Jeep Wrangler Unlimited High Altitude
2020 Jeep Wrangler Unlimited Rubicon
2021 Jeep Wrangler Unlimited Rubicon
2022 Jeep Wrangler Unlimited Rubicon
2020 Jeep Wrangler Unlimited Sahara
2021 Jeep Wrangler Unlimited Sahara
2022 Jeep Wrangler Unlimited Sahara
2021 Jeep Wrangler Unlimited Sahara Altitude
2022 Jeep Wrangler Unlimited Sahara Altitude
2020 Jeep Wrangler Unlimited Sport
2021 Jeep Wrangler Unlimited Sport
2022 Jeep Wrangler Unlimited Sport
2021 Jeep Wrangler Unlimited Sport Altitude
2022 Jeep Wrangler Unlimited Sport Altitude
2020 Jeep Wrangler Unlimited Sport S
2021 Jeep Wrangler Unlimited Sport S
2022 Jeep Wrangler Unlimited Sport S
2021 Jeep Wrangler Unlimited Willys
2022 Jeep Wrangler Unlimited Willys
2021 Jeep Wrangler Unlimited Willys Sport
2022 Jeep Wrangler Unlimited Willys Sport

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