JKS Manufacturing

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Increase your Jeep Wrangler JL 4-Door's ground clearance, tire clearance and carry extra equipment and gear with the heavy-duty version of JKS J-Venture 3.5" lift suspension system. This complete bolt-on kit includes a set of higher spring rate JSPEC dual-rate coil springs to help you carry extra equipment and gear, custom-valved aluminum FOX 2.0 IFP Adventure Series monotube shock absorbers, a front adjustable track bar, a rear track bar bracket, Quicker Disconnect front sway bar end links, extended rear sway bar end links, bump stop extensions, and caster cam alignment correction. On the street, J-Venture™ provides improved ride quality. When the road ends, disconnect your sway bar end links for improved articulation. That makes J-Venture the perfect entry-level performance suspension system. The J-Venture suspension system geared towards equal parts on-road comfort and off-road capability. J-Venture™ has been engineered for low maintenance. Retains your Jeep's factory control arms. Get out and explore with J-Venture.
- J-Venture 3.5" Lift Kit
- Factory wheels cannot be reinstalled without wheel spacers
- J-Venture: Entry-level system for a mix of street and trail use. Retains your OE control arms.
P311-35781F8 JSPEC120KFA JKS Manufacturing New
Vehicle | Submodel | Region | Position |
---|---|---|---|
2020 Jeep Wrangler | Unlimited Sahara | United States | Front and Rear |
-
Features:
- Front/Rear HD Dual Rate Coil Springs designed for great ride quality across any terrain
- Front/Rear FOX 2.0 Adventure Series IFP shocks specifically valved for this suspension system for improved performance on and off-road
- Front Adjustable Track Bar and Rear Track Bar Bracket to correct axle positioning under vehicle
- Front Sway Bar Quicker Disconnects and Rear Sway Bar Links for increased offroad articulation
- Front/Rear Bump Stop Extensions to properly limit suspension up travel
- Front Caster Cam Locks to correct front end caster once lifted
- ! Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Coil Spring Included: Heavy Duty
- Installation Difficulty: Moderately Easy
- Installation Time: 6
- J-rating: J-venture
- Shocks Included: Fox 2.0 Adventure Series
- J-Venture 3.5" Lift Kit
- Factory wheels cannot be reinstalled without wheel spacers
- J-Venture: Entry-level system for a mix of street and trail use. Retains your OE control arms.
P311-0D59D45 JSPEC120KFP JKS Manufacturing New
Vehicle | Submodel | Region | Position |
---|---|---|---|
2021 Jeep Wrangler | Unlimited Willys Sport | United States | Front and Rear |
-
Features:
- Front/Rear HD Dual Rate Coil Springs designed for great ride quality across any terrain
- Front/Rear FOX 2.0 Performance Series IFP shocks specifically valved for this suspension system for improved performance on and off-road
- Front Adjustable Track Bar and Rear Track Bar Bracket to correct axle positioning under vehicle
- Front Sway Bar Quicker Disconnects and Rear Sway Bar Links for increased offroad articulation
- Front/Rear Bump Stop Extensions to properly limit suspension up travel
- Front Caster Cam Locks to correct front end caster once lifted
- ! Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Coil Spring Included: Heavy Duty
- Installation Difficulty: Moderately Easy
- Installation Time: 6
- J-rating: J-venture
- Shocks Included: Fox 2.0 Performance Series
- J-Venture 3.5" Lift Kit
- Factory wheels cannot be reinstalled without wheel spacers
- J-Venture: Entry-level system for a mix of street and trail use. Retains your OE control arms.
P311-42EC68E JSPEC120PES JKS Manufacturing New
Vehicle | Submodel | Region | Position |
---|---|---|---|
2023 Jeep Wrangler | Unlimited Rubicon | United States | Front and Rear |
-
Features:
- Front/Rear HD Dual Rate Coil Springs designed for great ride quality across any terrain
- Front/Rear FOX 2.5 Performance Elite Shocks specifically valved for this suspension system for improved performance on and off-road
- Front Adjustable Track Bar and Rear Track Bar Bracket to correct axle positioning under vehicle
- Front Sway Bar Quicker Disconnects and Rear Sway Bar Links for increased offroad articulation
- Front/Rear Bump Stop Extensions to properly limit suspension up travel
- Front Caster Cam Locks to correct front end caster once lifted
- ! Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Coil Spring Included: Heavy Duty
- Installation Difficulty: Moderately Easy
- Installation Time: 6
- J-rating: J-venture
- Shocks Included: Fox 2.5 Performance Elite Series

- J-Venture 3.5" Lift Kit
- Factory wheels cannot be reinstalled without wheel spacers
- J-Venture: Entry-level system for a mix of street and trail use. Retains your OE control arms.
P311-4A48EA0 JSPEC120PS JKS Manufacturing New
Vehicle | Submodel | Region | Position |
---|---|---|---|
2023 Jeep Wrangler | Unlimited Willys | United States | Front and Rear |
-
Features:
- Front/Rear Dual Rate Coil Springs designed for great ride quality across any terrain
- Front/Rear FOX 2.5 Performance Series IFP Shocks specifically valved for this suspension system for improved performance on and off-road
- Front Adjustable Track Bar and Rear Track Bar Bracket to correct axle positioning under vehicle
- Front Sway Bar Quicker Disconnects and Rear Sway Bar Links for increased offroad articulation
- Front/Rear Bump Stop Extensions to properly limit suspension up travel
- Front Caster Cam Locks to correct front end caster once lifted
- ! Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Coil Spring Included: Heavy Duty
- Front Lift Height: 3.5"
- Front Lift Method: Coil Springs
- Installation Difficulty: Moderately Easy
- Installation Time: 6
- J-rating: J-venture
- Rear Lift Height: 3.5"
- Rear Lift Method: Coil Springs
- Shocks Included: Fox 2.5 Performance Series

- J-Konnect 2.5" Lift Kit
- Factory wheels cannot be reinstalled without wheel spacers
- J-Konnect: Builds on J-Venture with heavy-duty J-Link lower control arms to improve strength and correct geometry.
P311-04BBADA JSPEC121k JKS Manufacturing New
Vehicle | Submodel | Region | Position |
---|---|---|---|
2024 Jeep Wrangler | Unlimited Sport S | United States | Front and Rear |
-
Features:
- Front/Rear Dual Rate Coil Springs designed for great ride quality across any terrain
- Front/Rear JSPEC Gas Shocks specifically valved for this suspension system for improved performance on and off-road
- Front Adjustable Track Bar and Rear Track Bar Bracket to correct axle positioning under vehicle
- Front Sway Bar Quicker Disconnects and Rear Sway Bar Links for increased offroad articulation
- Front/Rear Bump Stop Extensions to properly limit suspension up travel
- Front/Rear J-Link Lower Control Arms to add strength and correct caster
- ! Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Coil Spring Included: Standard
- Installation Difficulty: Moderately Easy
- Installation Time: 7
- J-rating: J-konnect
- Shocks Included: Jspec
- J-Konnect 2.5" Lift Kit
- Factory wheels cannot be reinstalled without wheel spacers
- J-Konnect: Builds on J-Venture with heavy-duty J-Link lower control arms to improve strength and correct geometry.
P311-36AD616 JSPEC121KFA JKS Manufacturing New
Vehicle | Submodel | Region | Position |
---|---|---|---|
2021 Jeep Wrangler | Unlimited Sahara Altitude | United States | Front and Rear |
-
Features:
- Front/Rear Dual Rate Coil Springs designed for great ride quality across any terrain
- Front/Rear FOX 2.0 Adventure Series Shocks specifically valved for this suspension system for improved performance on and off-road
- Front Adjustable Track Bar and Rear Track Bar Bracket to correct axle positioning under vehicle
- Front Sway Bar Quicker Disconnects and Rear Sway Bar Links for increased offroad articulation
- Front/Rear Bump Stop Extensions to properly limit suspension up travel
- Front/Rear J-Link Lower Control Arms to add strength and correct caster
- ! Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Coil Spring Included: Standard
- Installation Difficulty: Moderately Easy
- Installation Time: 7
- J-rating: J-konnect
- Shocks Included: Fox 2.0 Adventure Series

- J-Konnect 2.5" Lift Kit
- Factory wheels cannot be reinstalled without wheel spacers
- J-Konnect: Builds on J-Venture with heavy-duty J-Link lower control arms to improve strength and correct geometry.
P311-051C9D7 JSPEC121KFP JKS Manufacturing New
Vehicle | Submodel | Region | Position |
---|---|---|---|
2024 Jeep Wrangler | Unlimited Sport S | United States | Front and Rear |
-
Features:
- Front/Rear Dual Rate Coil Springs designed for great ride quality across any terrain
- Front/Rear FOX 2.0 Performance Series Shocks specifically valved for this suspension system for improved performance on and off-road
- Front Adjustable Track Bar and Rear Track Bar Bracket to correct axle positioning under vehicle
- Front Sway Bar Quicker Disconnects and Rear Sway Bar Links for increased offroad articulation
- Front/Rear Bump Stop Extensions to properly limit suspension up travel
- Front/Rear J-Link Lower Control Arms to add strength and correct caster
- ! Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Coil Spring Included: Standard
- Installation Difficulty: Moderately Easy
- Installation Time: 7
- J-rating: J-konnect
- Shocks Included: Fox 2.0 Performance Series
- J-Konnect 2.5" Lift Kit
- Factory wheels cannot be reinstalled without wheel spacers
- J-Konnect: Builds on J-Venture with heavy-duty J-Link lower control arms to improve strength and correct geometry.
P311-20DB117 JSPEC121KNS JKS Manufacturing New
Vehicle | Submodel | Region | Position |
---|---|---|---|
2018 Jeep Wrangler | Unlimited Sahara | United States | Front and Rear |
-
Features:
- Front/Rear Dual Rate Coil Springs designed for great ride quality across any terrain
- Front Adjustable Track Bar and Rear Track Bar Bracket to correct axle positioning under vehicle
- Front Sway Bar Quicker Disconnects and Rear Sway Bar Links for increased offroad articulation
- Front/Rear Bump Stop Extensions to properly limit suspension up travel
- Front/Rear J-Link Lower Control Arms to add strength and correct caster
- ! Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Coil Spring Included: Standard
- Installation Difficulty: Moderately Easy
- Installation Time: 7
- J-rating: J-konnect
- Shocks Included: None (shock Relocation Brackets)

- J-Konnect 2.5" Lift Kit
- Factory wheels cannot be reinstalled without wheel spacers
- J-Konnect: Builds on J-Venture with heavy-duty J-Link lower control arms to improve strength and correct geometry.
P311-4A13225 JSPEC121PES JKS Manufacturing New
Vehicle | Submodel | Region | Position |
---|---|---|---|
2024 Jeep Wrangler | Unlimited Sport | United States | Front and Rear |
-
Features:
- Front/Rear Dual Rate Coil Springs designed for great ride quality across any terrain
- Front/Rear FOX 2.5 Performance Elite Series Shocks specifically valved for this suspension system for improved performance on and off-road
- Front Adjustable Track Bar and Rear Track Bar Bracket to correct axle positioning under vehicle
- Front Sway Bar Quicker Disconnects and Rear Sway Bar Links for increased offroad articulation
- Front/Rear Bump Stop Extensions to properly limit suspension up travel
- Front/Rear J-Link Lower Control Arms to add strength and correct caster
- ! Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Coil Spring Included: Standard
- Installation Difficulty: Moderately Easy
- Installation Time: 7
- J-rating: J-konnect
- Shocks Included: Fox 2.5 Performance Elite Series

- J-Konnect 2.5" Lift Kit
- Factory wheels cannot be reinstalled without wheel spacers
- J-Konnect: Builds on J-Venture with heavy-duty J-Link lower control arms to improve strength and correct geometry.
P311-0BE2398 JSPEC122K JKS Manufacturing New
Vehicle | Submodel | Region | Position |
---|---|---|---|
2019 Jeep Wrangler | Unlimited Rubicon | United States | Front and Rear |
-
Features:
- Front/Rear HD Dual Rate Coil Springs designed for great ride quality across any terrain
- HD springs offer additional load capacity for vehicles equipped with winch bumper, fullsize spare, roof rack, etc.
- Front/Rear JSPEC shocks specifically valved for this suspension system for improved performance on and off-road
- Front Adjustable Track Bar and Rear Track Bar Bracket to correct axle positioning under vehicle
- Front Sway Bar Quicker Disconnects and Rear Sway Bar Links for increased offroad articulation
- Front/Rear Bump Stop Extensions to properly limit suspension up travel
- Front/Rear J-Link Lower Control Arms to add strength and correct caster
- ! Warning: Cancer And Reproductive Harm - Www.p65warnings.ca.gov
- Coil Spring Included: Heavy Duty
- Installation Difficulty: Moderately Easy
- Installation Time: 7
- J-rating: J-konnect
- Shocks Included: Jspec