Superlift 4" Radius Arm Diesel Lift Kit K165B

Features:

• Replacement Front coil springs improve ride quality while rear blocks maintain load capacity
• Replacement Radius Arms with Cleveite® OE Style rubber bushings
• Track bar relocation bracket prevents stud bind and steering wheel kick
• Front and Rear – Superlift Shocks OR Bilstein® 5100 Series Shocks OR Fox® Performance Series 2.0 IFP Shocks OR King Shocks
• Backed by our limited lifetime warranty
• Retains OEM caster and camber alignment specifications
• Maintains ride quality and handling characteristics
• Designed using Original Equipment (OE) CAD data for accuracy.

Descriptions:

The 4” Lift for the 2017-2021 Ford Super Duty F-250 | F-350 4WD boasts Superlift's robust, high-clearance, precisely engineered tubular radius arms. These arms are meticulously designed to seamlessly bolt into the factory mounts, providing your vehicle with a distinct custom look while ensuring a straightforward installation process. The heavy-duty Radius Arms are constructed with precision, incorporating a press-fit Cleveite® rubber bushing. This bushing design excels in superior vibration dampening and durability, contributing to a smoother and more resilient ride.

Included in this 4” lift kit are specialized coil springs specifically rated for diesel engines, ensuring optimal performance and lift height. Additionally, the kit features a newly designed track bar relocation bracket. This bracket plays a crucial role in maintaining proper steering geometry and track bar phasing, essential elements for the overall stability and alignment of your vehicle.

The 4-inch lift kit for the 2017-2021 Ford Super Duty F-250 | F-350 4WD includes a carefully designed fabricated rear block that replaces the stock block, enhancing rear lift while maintaining proper pinion and axle angles and effectively reducing axle wrap. Complementing this lift, we offer a range of high-quality shock options to optimize your vehicle's performance. Choose from renowned shock brands such as Superlift, Bilstein 5100 Series, Fox Performance Series 2.0 IFP Shocks, and King Shocks – Front and Rear (K165KG) to tailor your suspension for a smooth and controlled ride. Elevate your Ford F-250 | F-350 with confidence using this top-tier shock variety.

In-stock items are generally processed within 1–2 business days. Most in-stock orders arrive within about 1–2 weeks of ordering. Estimates are not guaranteed; the product- and order-specific estimate controls.

Free standard shipping applies to eligible orders in the contiguous United States. Liftgate is the only possible shipping add-on; if needed, the cost is quoted and approved before shipment. Alaska, Hawaii, U.S. territories, and destinations outside the United States require a quote.

Eligible new, unused in-stock products may be returned within 30 days after delivery. Custom, made-to-order, special-order, and backordered products are excluded when disclosed before purchase. Bundle kits have separate return terms.

If your order ships by freight, coordinate delivery with the carrier and be available to receive and inspect it. Count and inspect the shipment before signing the delivery receipt. Record damage or missing pieces on the receipt, take photos, and contact BumperOnly promptly. Keep all packaging.

Shipping Policy · Return Policy · Bundle Kit Return Policy · Contact Us

We work hard to ensure that the prices of our aftermarket truck bumpers are the best available online. That's why we guarantee that you'll get the lowest price on all of our bumpers and accessories. Here's how it works:

• We guarantee that the price of our aftermarket truck bumpers is the best available online. If you find an online store that offers a specific model at a lower price, let us know and we'll match their price for your purchase.
• If you find that the exact bumper at an even lower price online within 6 months after your purchase, we will refund you the difference. Simply send a price difference refund request to support@bumperonly.com. This applies even to the prices from our own store at BumperOnly.com
• The competitor must be an online retailer with no physical stores and they must be an authorized dealer of the bumpers or accessories in question. The competing online store must also have the product in stock on their website for our price match guarantee to apply.
• The price match guarantee does not apply to online marketplaces such as Amazon, eBay, Overstock or any other similar websites. The competitor must be selling the item directly on their own online store.
• Additional promos cannot be applied in addition to the price match guarantee. For example, the free gift promo cannot be added on top of the price match guarantee. Only one promotion can be applied per purchase.

Once we confirm that your order is eligible for our price match guarantee, you can be confident that you're getting the very best deal online.

Whether you're looking for heavy-duty truck bumpers by Ranch Hand, a winch bumper by Fab Fours, or any other aftermarket truck bumper, if you shop with BumperOnly, you'll never have to worry about buyer's remorse.

For any questions about our price match guarantee, feel free to get in touch.

Shop without fear. Let BumperOnly take care of the rest.