QA1 21-25 Ford F150 Single Adjustable Rear Lowering Kit (3.5in-5.5in) - RDK52631

Product Overview QA1's rear drop kits are the perfect solution for lowering the rear suspension of your 2021-2025 Ford F150. Our fully bolt-in kits include powder-coated shackles, flip brackets, hangers, and QA1 Stocker Star shocks, ensuring hassle-free installation and superior ride quality. This rear drop kit offers a drop range of 3.5”-5.5” with ½ inch increment adjustments on 2WD trucks. 4X4 trucks will see an additional 1.5" of lowering in the rear. Achieve a sleek, sporty look for your truck, matched with an incredible ride quality. Single-Adjustable ShocksQA1 single adjustable shocks deliver exceptional ride quality and performance to your F150. With the simple turn of a dial, you can effortlessly switch between a comfortable cruise and a more aggressive feel, making them ideal for daily driving or twisty backroads. Rear Flip Kit, Shackles and Hanger KitsQA1's Rear Flip Kit, Shackle and Hanger Kits are the ultimate solution for lowering the rear of your truck without compromising ride quality. Made from heavy-gauge steel with a powder-coated finish and top-notch hardware, our kits guarantee long-lasting performance in any driving conditions.Easy, Bolt-In InstallationOur commitment to thoughtful product design is evident in every fully bolt-in kit we produce, which guarantees a hassle-free installation process.Best In-Class Lifetime WarrantyRegister at QA1.net/warranty for lifetime coverage of your QA1 shocks.Made in the USAQA1 truck suspension is proudly made in Lakeville, Minnesota. Fitment NotesFits both 2wd and 4x4.4x4 drop range is 1 ½” more due to OE block removal.Not compatible with Power Boost models or Continuously Control Damping (CCD) suspension.

This Part Fits:

Year	Make	Model	Submodel
2021-2024	Ford	F-150	King Ranch
2021-2024	Ford	F-150	Lariat
2021-2023	Ford	F-150	Limited
2021-2024	Ford	F-150	Platinum
2021-2024	Ford	F-150	Police Responder
2021-2024	Ford	F-150	Raptor
2023-2024	Ford	F-150	Raptor R
2021-2024	Ford	F-150	SSV
2024	Ford	F-150	STX
2021-2024	Ford	F-150	Tremor
2021-2024	Ford	F-150	XL
2021-2024	Ford	F-150	XLT

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Please note image may vary from product. Also, some items are special order. If delivery time is a concern, please contact us prior to purchase. 

Fidanza Performance is excited to offer QA1 Suspension

About - QA1 Suspension​

QA1 Precision Products, Inc., founded in 1993 and based in Lakeville, Minnesota, is a leading American manufacturer of high-performance suspension and driveline components. The company is known for producing quality coil-over kits, control arms, sway bars, adjustable shocks, and carbon fiber driveshafts, primarily for muscle cars, classic trucks, drag racing, and pro-touring builds.

QA1 stands out for its in-house engineering and manufacturing, with most products made in the USA. Their suspension systems are especially popular among enthusiasts looking to modernize older vehicles like Chevelles, Mustangs, and classic GM and Ford trucks. Known for their adjustability and durability, QA1 products are widely respected across both street and track applications.

With a strong reputation for quality and performance, QA1 supports the automotive community through events, sponsorships, and their annual open house. Their accessible performance upgrades have made them a trusted name in the aftermarket suspension world.

Fidanza Performance, founded in 1997, is a leading US manufacturer of high-quality lightweight aluminum flywheels, precision adjustable cam gears, and high-performance clutches. With nearly 20 years in the automotive performance market, Fidanza is renowned for its expertise and respected globally, offering products for a wide range of vehicles, from European sports cars to modern muscle cars and imports. The company originated in racing, with founder Lou Fidanza's success in the SCCA leading to the creation of specialty parts like aluminum flywheels. Fidanza has since expanded its product line to include cam gears and performance clutches, gaining a loyal customer base and worldwide recognition. In 2023 Fidanza opened the SpeedParts4Less Marketplace which sells other manufacturers quality high performance parts!