BDS 6 Inch Lift Kit w/ Radius Arm for 2013-2018 Ram 3500 w/ Rear Air Ride 4WD Diesel

Key Features

• Heavy-duty tubular radius arms for improved strength, handling, and caster control with OE-style rubber frame bushings for quiet, service-free operation
• Diesel-specific, full-length progressive-rate Pro-Ride front coil springs tuned for a smooth, predictable ride across mixed terrain
• Forged drop pitman arm and track bar relocation bracket to correct steering angles and recenter the front axle
• Front sway bar correction to maintain on-road handling performance
• HD transmission crossmember and t-case indexing ring to correct front driveline angles and retain factory driveshafts
• Choice of BDS NX2 gas shocks or FOX 2.0 Performance Series IFP shocks for improved ride quality and off-road performance
• High-strength fabricated rear lift block, heavy-duty air bag spacers, and longer u-bolts
• Includes bump stops and brake line brackets for a complete, properly engineered install
• Clearance for up to 37" tires

Recommended Tires & Wheels

Trimming may be required.

• 37 x 13.5 with 17 x 8 wheels and 5.625" backspace
• 37 x 12.5 with 18 x 9 wheels and 4.5" backspace
• 35 x 12.5 with 17 x 9 wheels and 4.5" backspace

Fitment

• 2013-2018 RAM 3500 (All Submodels) - 4WD - Diesel

Important Notes

• Fits OE-equipped rear air ride systems only
• Kits come standard with a 6-bolt indexing ring kit. If your truck is equipped with the heavy-duty 8-bolt t-case, order part #122813 in place of #122623
• The carrier bearing drop (#122405) is required for models equipped with a two-piece rear driveshaft
• Some vehicles may require rear driveshaft spacer kit #122007 to maintain adequate rear driveshaft engagement
• DRW models: fit inner wheel clearance to the upper u-bolt plate on 6" kits
• Rear components in this kit are designed for leaf spring equipped models only
• Professional installation is recommended. A proper alignment is required after installation

Shipping & Lead Times

Lead times may vary depending on shock option selected and current manufacturer stock. Please contact us prior to ordering if you need confirmation on availability or estimated delivery timing for your build.

Shipping

We ship nationwide and internationally. Most in-stock items leave our shop within 1–3 business days. Made-to-order and oversized parts may require additional lead time; any special timing will be noted on the product page.

Order Processing

If an order is placed outside of our normal business hours (Monday–Friday), we will process it as soon as possible once our team is back in the shop during regular operating hours. Weekend orders will be handled the next business day.

Tracking & Delivery

• You'll receive a tracking email as soon as your order ships.
• We cannot ship to PO Boxes for oversized or freight items.
• Signature may be required for high-value shipments.

Freight & Oversize Items

• Large/oversized products (bumpers, racks, etc.) ship via LTL freight.
• Please inspect your delivery at arrival. Note any damage on the carrier’s paperwork and take photos before signing—this is required to file a claim.
• Residential freight includes curbside delivery; inside delivery/appointments may incur additional fees.

International Orders

• Duties, taxes, and import fees are the buyer’s responsibility and are not included at checkout.
• Some products may have export restrictions or carrier limits.

Order Changes & Cancellations

• Requests must be made within 24 hours of purchase when possible.
• Custom or built-to-order items may not be cancellable once production begins.

Returns & Exchanges

We want you stoked on your gear. Eligible items may be returned within 30 days of delivery for a refund or exchange.

Eligibility

• Items must be new, unused, uninstalled, and in original packaging with all hardware.
• Buyer is responsible for return shipping unless the return is due to our error or a confirmed defect.
• A restocking fee (typically 10–20%) may apply to non-defective returns to cover inspection, repackaging, and processing.

Non-Returnable Items

• Installed/used items, custom or made-to-order products, electrical/electronic components, clearance/“garage sale” items, and gift cards.

How to Start a Return

1. Log in to your account and open the order, or contact us with your order number.
2. We’ll issue return instructions and an RMA if approved. Returns without RMA may be refused.
3. Pack securely; include all parts and paperwork. We recommend insured, trackable shipping.

Refunds

• Once received and inspected, approved refunds are issued to the original payment method within 3–5 business days.
• Original shipping charges are non-refundable (except in cases of our error or a confirmed defect).

Damaged, Defective, or Incorrect Items

• Please contact us within 7 days of delivery with photos of the product, packaging, and shipping label.
• For freight damage, ensure notes are made with the carrier at delivery and take photos before signing.

Warranty

Many products include a manufacturer warranty. We’re happy to help facilitate claims—reach out with your order number, photos, and a description of the issue.

Questions about shipping or returns? Get in touch—our team is here to help you get trail-ready.