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Bilstein B8 5100 Lift Kit 53-291431 product image 1
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Bilstein

Bilstein B8 5100 Lift Kit 53-291431

SKU: 53-291431
Barcode: 651860901183

$1,084.00

Bilstein B8 5100 Lift Kit 53-291431

Adds ground clearance and room for larger tires
Bilstein B8 5100 Lift Kit 53-291431

Matched shocks and springs improve suspension balance
Bilstein B8 5100 Lift Kit 53-291431

Longer-travel coils increase wheel travel and articulation
Bilstein B8 5100 Lift Kit 53-291431

Bolt-in package uses factory suspension locations
Bilstein B8 5100 Lift Kit 53-291431

Maintains stable ride quality on and off road

Verified U.S. Supplier

Fitment Data Included

30-Day Returns
In stock

Warranty

Products sold by Modridge may be covered by the original manufacturer’s warranty, when applicable. Warranty terms, coverage, exclusions, and claim requirements vary by brand and product line.

If you believe your item has a manufacturer defect, contact us with your order number, product photos, and a description of the issue. We’ll help review the case and guide you through the next steps based on the manufacturer’s policy.

This warranty does not cover normal wear, improper installation, misuse, modification, racing damage, accident damage, or installation-related issues unless the manufacturer’s policy states otherwise.

Shipping & Returns

Shipping

This item ships from an authorized U.S. distributor. Processing and transit times may vary depending on stock availability and destination. Most orders ship within 1–3 business days.

Returns

Returns are accepted within 30 days of delivery. Items must be uninstalled, unused, and in original packaging. Programmers and calibration devices that have been paired to a vehicle are not eligible for return. See our Returns & Refunds page for full details.

California Proposition 65 Warning

WARNING: Cancer & Reproductive Harm - www.P65Warnings.ca.gov

Emissions & Compliance

Emissions Compliance Exempt
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Bilstein B8 5100 Lift Kit 53-291431

$1,084.00

$1,084.00

1.5-2.5 in

Lift

33-35 in

Tires

Front Winch

Setup

Product Description

Bilstein B8 5100 Lift Kit is a complete suspension lift package built for more ground clearance, larger tire room, and better wheel travel on solid-axle off-road builds. It pairs B8 5100 shock absorbers with custom-matched, longer-travel cold-wound coil springs, giving the suspension a more complete upgrade than a spacer-only lift.

The kit is built around four matched shocks, four matched coil springs, and supporting components that bolt into factory locations. The package increases wheel travel and articulation, supports a smoother and more stable ride on and off road, and helps create tire clearance up to 33 inches on supported stock-fender applications or 35 inches where the listed application allows it.

This SKU is built for the front winch configuration. Do not substitute it for the alternate front-winch version when the build uses the opposite setup.

Specifications

Brand
Bilstein
Part Number
53-291431
Series
B8 5100 Lift Kit
Product Type
Suspension Lift Kit
Position
Front and Rear
Lift Provided
1.5-2.5 in
Compatible Tire Size
33-35 in
Front Winch Setup
Front Winch
Warranty
Limited Lifetime
Country of Origin
US
Quantity per Application
1 Each
GTIN
651860901183
Package Length
28 in
Package Width
23 in
Package Height
17.25 in
Package Weight
85 lbs

Fitment / Application

2018 | Jeep | Wrangler | Unlimited Sport | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2018 | Jeep | Wrangler | Unlimited Sport S | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2018 | Jeep | Wrangler | Unlimited Sahara | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2018 | Jeep | Wrangler | Unlimited Rubicon | Front and Rear | With Front Winch; Provides 1.5" Lift; Maximum Tire Size 35"
2018 | Jeep | Wrangler | Unlimited Moab | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2018 | Jeep | Wrangler | Unlimited Sport | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; Requires wheels with maximum of 4.75" backspacing
2018 | Jeep | Wrangler | Unlimited Sport | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2018 | Jeep | Wrangler | Unlimited Sport S | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; Requires wheels with maximum of 4.75" backspacing
2018 | Jeep | Wrangler | Unlimited Sport S | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2018 | Jeep | Wrangler | Unlimited Sahara | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2018 | Jeep | Wrangler | Unlimited Rubicon | Front and Rear | With Front Winch; Provides 1.5" Lift; Maximum Tire Size 35"
2019 | Jeep | Wrangler | Unlimited Sport | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2019 | Jeep | Wrangler | Unlimited Sport S | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2019 | Jeep | Wrangler | Unlimited Sahara | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2019 | Jeep | Wrangler | Unlimited Rubicon | Front and Rear | With Front Winch; Provides 1.5" Lift; Maximum Tire Size 35"
2019 | Jeep | Wrangler | Unlimited Moab | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2019 | Jeep | Wrangler | Unlimited Sport | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2019 | Jeep | Wrangler | Unlimited Sport S | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2019 | Jeep | Wrangler | Unlimited Sahara | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2019 | Jeep | Wrangler | Unlimited Sahara | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; Requires wheels with maximum of 4.75" backspacing
2019 | Jeep | Wrangler | Unlimited Rubicon | Front and Rear | With Front Winch; Provides 1.5" Lift; Maximum Tire Size 35"
2020 | Jeep | Wrangler | Unlimited Sport | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2020 | Jeep | Wrangler | Unlimited Sport S | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2020 | Jeep | Wrangler | Unlimited Sahara | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2020 | Jeep | Wrangler | Unlimited Rubicon | Front and Rear | With Front Winch; Provides 1.5" Lift; Maximum Tire Size 35"
2020 | Jeep | Wrangler | Unlimited Sport | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2020 | Jeep | Wrangler | Unlimited Sport S | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2020 | Jeep | Wrangler | Unlimited Sahara | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2020 | Jeep | Wrangler | Unlimited Rubicon | Front and Rear | With Front Winch; Provides 1.5" Lift; Maximum Tire Size 35"
2021 | Jeep | Wrangler | Unlimited Willys | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Willys Sport | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Sport | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Sport S | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Sport Altitude | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Sahara | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Sahara Altitude | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Rubicon | Front and Rear | With Front Winch; Provides 1.5" Lift; Maximum Tire Size 35"
2021 | Jeep | Wrangler | Unlimited Islander | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited High Altitude | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Freedom | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited 80th Anniversary | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Willys | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Willys Sport | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Sport | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Sport S | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Sport Altitude | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Sahara | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Sahara Altitude | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Rubicon | Front and Rear | With Front Winch; Provides 1.5" Lift; Maximum Tire Size 35"
2021 | Jeep | Wrangler | Unlimited Islander | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited High Altitude | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Freedom | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited 80th Anniversary | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Sahara 4xe | Front and Rear | With Front Winch; Provides 1.5" Lift; Maximum Tire Size 33" with Stock Fenders; Compatible w/ factory 20” wheels. 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited Rubicon 4xe | Front and Rear | With Front Winch; Provides 0.75" Lift; Maximum Tire Size 35"; 17” or 18” wheels require max 4.75" backspacing
2021 | Jeep | Wrangler | Unlimited High Altitude 4xe | Front and Rear | With Front Winch; Provides 1.5" Lift; Maximum Tire Size 33" with Stock Fenders; Compatible w/ factory 20” wheels. 17” or 18” wheels require max 4.75" backspacing
2022 | Jeep | Wrangler | Unlimited Willys | Front and Rear | Without Xtreme Recon Package; With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2022 | Jeep | Wrangler | Unlimited Willys Sport | Front and Rear | Without Xtreme Recon Package; With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2022 | Jeep | Wrangler | Unlimited Sport | Front and Rear | Without Xtreme Recon Package; With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2022 | Jeep | Wrangler | Unlimited Sport S | Front and Rear | Without Xtreme Recon Package; With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2022 | Jeep | Wrangler | Unlimited Sport Altitude | Front and Rear | Without Xtreme Recon Package; With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2022 | Jeep | Wrangler | Unlimited Sahara | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2022 | Jeep | Wrangler | Unlimited Sahara Altitude | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2022 | Jeep | Wrangler | Unlimited Rubicon | Front and Rear | Without Xtreme Recon Package; With Front Winch; Provides 1.5" Lift; Maximum Tire Size 35"
2022 | Jeep | Wrangler | Unlimited High Altitude | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; Compatible w/ factory 20” wheels. 17” or 18” wheels require max 4.75" backspacing
2022 | Jeep | Wrangler | Unlimited Willys | Front and Rear | Without Xtreme Recon Package; With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2022 | Jeep | Wrangler | Unlimited Willys Sport | Front and Rear | Without Xtreme Recon Package; With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2022 | Jeep | Wrangler | Unlimited Sport | Front and Rear | Without Xtreme Recon Package; With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2022 | Jeep | Wrangler | Unlimited Sport S | Front and Rear | Without Xtreme Recon Package; With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2022 | Jeep | Wrangler | Unlimited Sport Altitude | Front and Rear | Without Xtreme Recon Package; With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2022 | Jeep | Wrangler | Unlimited Sahara Altitude | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2022 | Jeep | Wrangler | Unlimited Rubicon | Front and Rear | Without Xtreme Recon Package; With Front Winch; Provides 1.5" Lift; Maximum Tire Size 35"
2022 | Jeep | Wrangler | Unlimited High Altitude | Front and Rear | With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; Compatible w/ factory 20” wheels. 17” or 18” wheels require max 4.75" backspacing
2022 | Jeep | Wrangler | Unlimited Sahara 4xe | Front and Rear | With Front Winch; Provides 1.5" Lift; Maximum Tire Size 33" with Stock Fenders; Compatible w/ factory 20” wheels. 17” or 18” wheels require max 4.75" backspacing
2022 | Jeep | Wrangler | Unlimited Rubicon 4xe | Front and Rear | With Front Winch; Provides 0.75" Lift; Maximum Tire Size 35"; 17” or 18” wheels require max 4.75" backspacing
2022 | Jeep | Wrangler | Unlimited High Altitude 4xe | Front and Rear | With Front Winch; Provides 1.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2023 | Jeep | Wrangler | Willys | Front and Rear | Without Xtreme Recon Package; With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2023 | Jeep | Wrangler | Willys Sport | Front and Rear | Without Xtreme Recon Package; With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2023 | Jeep | Wrangler | Sport | Front and Rear | Without Xtreme Recon Package; With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
2023 | Jeep | Wrangler | Sport S | Front and Rear | Without Xtreme Recon Package; With Front Winch; Provides 2.5" Lift; Maximum Tire Size 33" with Stock Fenders; 17” or 18” wheels require max 4.75" backspacing
... plus 18 more fitment rows

What's in the Box

• B8 5100 shock absorbers × 4
• Cold-wound coil springs × 4
• Supporting components and hardware × 1 kit

Installation & Documents

Review the installation guide before starting. Perform a professional alignment after installation. Torque all hardware to specification and confirm tire and suspension clearance through full travel.

Product Document
SDS / Safety Document
Product Document 2
Warranty Document