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Description
2023-2026 Superduty 4WD 4" Coil Spring Lift Kit w/ Falcon 3.3 Shocks (43-23440)The ReadyLIFT 4 inch Coil Spring Suspension System is a new lift kit for 2023 2025 Ford Super Duty F250 F350 Power Stroke 4WD trucks. This performance and ride enhancing kit includes Tubular Radius Arms, a Falcon Dual Steering Stabilizer, and new Falcon 3. 3 piggyback shocks. Many consider this 4 inch lift height the 'sweet spot' for Super Duty trucks, allowing for larger tires and widths, providing improved ground clearance, and maintaining excellent
The ReadyLIFT 4-inch Coil Spring Suspension System is a new lift kit for 2023-2025 Ford Super Duty F250/F350 Power Stroke 4WD trucks. This performance and ride-enhancing kit includes Tubular Radius Arms, a Falcon Dual Steering Stabilizer, and new Falcon 3.3 piggyback shocks. Many consider this 4-inch lift height the 'sweet spot' for Super Duty trucks, allowing for larger tires and widths, providing improved ground clearance, and maintaining excellent everyday usefulness and ride quality both on and off-road.
Features
- Provides a 4-inch Coil Spring Lift Kit.
- Includes four vehicle-specific performance-tuned Falcon 3.3 Monotube Shocks.
- Features heavy-duty Tubular Radius Arms designed to correct the caster angle.
- Includes a Falcon Dual Steering Stabilizer for superior truck stability, which reduces bump steer and improves steering feed.
- Is a direct bolt-on lift kit with no structural modifications required.
- The Falcon 3.3 Fast Adjust Dampers offer a wide range of adjustability with a 3-Position Fast Adjust Knob (Soft, Custom, Firm) and an 8-Position Micro Adjust Dial.
- Includes 4-inch fabricated rear lift blocks.
- Key ingredients include specially engineered coil springs and a track bar relocation bracket.
- Backed by the ReadyGuard Powertrain Warranty.
Notes
- Trucks equipped with the "Onboard Scale" option will require the Auto-Leveling Headlight Bracket (PN: 67-23610).
- Tremor versions will not gain the full 4 inches over stock ride height.
- Vehicle alignment and headlamp aim must be checked and adjusted after product installation.
- If the vehicle is equipped with Advanced Driver Assistance Systems (ADAS), these systems may require recalibration.
Compatibility Notes
- Fits 2023-2025 Ford Super Duty Power Stroke 4WD.
- Kits are designed for diesel applications only.
- Not recommended for 2WD or gas trucks (e.g., 7.3L gas); ReadyLIFT offers spacer kits for gas applications.
- Only for diesel trucks with rear single-wheel only.
- The kit can be used on dually trucks, but the 4-inch DRW block kit must be purchased separately.
- Single Cab configuration has not been validated for fitment and drivability by ReadyLIFT.
Tire Fitment
- Allows for up to 37-inch tall tires.
- Recommended maximum tire size is 37x12.5 inches.
- Recommended wheel specifications are 17 inches and up by 9 inches wide, with a +25 offset / 6 inches backspacing.
- Minor trimming of the front valance may be necessary.
Specs
- Lift Height: 4 inches (coil spring lift).
- Rear Block Height: 4 inches.
- Shock Type: Falcon Max3 3.3 Monotube Shocks (4 shocks).
- Primary Suspension Components: 4-inch Lift Springs, Tubular Radius Arms, Track Bar Relocation Bracket, and Fabricated Rear Lift Blocks.
- Additional Components: Falcon Dual Steering Stabilizer, Sway Bar Drops, Bump Stop Extensions, Carrier Bearing Drop, and Front Brake Line Brackets.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.4 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Fit as stated
Size: 8.8" x 9.3" x 1.1"
Perfect fit for my 2013 Honda and price was great
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Reviewed in the United States on April 28, 2025
★★★★★ 5
Great Replacement Cabin Air Filters for my 2008 Honda Civic
Size: 2Pcs, Size: 2Pcs
Item Reviewed: CF10134 Cabin Air Filter with Activated Carbon Replacement for CP134, Fit for Honda Accord/Civic/Odyssey/CR-V and Acura MDX/TSX/TLX/RDX/Ridgeline (2 pack)
ℹ️ Summary
I picked these up because I needed some replacement cabin air filters for my 2008 Honda Civic. These seem like decent quality and they were a perfect fit in my car. For $15 at time of order for two air filters it was a solid deal that I can glad recommend to others. I hate writing short reviews, but there’s not much else to say about these.
Here is how I rate items:
5 ⭐️ = Completely exceeds expectations.
4 ⭐️ = Works well with minor concerns.
3 ⭐️ = Does the job, nothing special.
2 ⭐️ = Some things work, but lots of issues.
1 ⭐️ = Didn’t work well, not worth it.
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Reviewed in the United States on September 30, 2025
★★★★★ 4
Good fit for Acura MDX
Size: 8.8" x 9.3" x 1.1"
This is an air cabin filter that will fit many cars, and in my case a 2019 MDX. Since this kind of filter is not doing anything critical like keeping dirt out of an engine, I shop around for non-OEM filters for something that strikes a balance between price versus performance. This filter just filters out dust in a car cabin, and when we’re not in our cars, we don’t have the benefit of an air filter when we are walking around outdoors. At a fraction of the price of an Acura filter, this filter seems to strike that balance. The filter media looks sturdy and is embedded with charcoal to help absorb odors.
Installation is very straightforward in my MDX, and similar in most cars. There is a compartment door inside the glovebox that first must be removed before changing the filter. Pay attention to the direction flow arrow that shows which way the filter should be installed.
Overall I am satisfied with this filter. It is inexpensive, fits perfectly, and seems to do the job just fine. It is definitely worth trying if you are trying to save money.
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Reviewed in the United States on October 12, 2024
★★★★★ 5
These filters do the job
Size: 2Pcs
Fits great in my '08 Accord LX and my '19 Accord Sport 2.0t. They filter air well and are easy to install like any cabin air filter in a Honda. I am pleased. Good value for the price.
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Reviewed in the United States on October 8, 2025
★★★★★ 5
Fit my 2014 Odyssey TE
Size: 8.8" x 9.3" x 1.1"
Comes with printed instructions for those who haven't changed it before. Here is the specific use case from my van.
On my 2014 TE its easy to access behind the glove box, open to usual full open then just push the left and right sides in to allow the glove box to come fully out. It may pop off of the mounts, don't panic it snaps right back on. Then look for the little rectangular panel with two small levers on either side. on the black plastic under the dash that you can now see and access. Press the levers and pull towards you, doing a bit of a wiggle to get it out. Its tight, but it will come out with having to break it. Don't gorilla hands it, it will break.
There is a directional arrow on the filter, which you have to remove from the wrapper before installing. Yes, someone *will* forget that. Reassembly the reverse of removal. Check that video sharing site online if you need visual instructions.
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Reviewed in the United States on September 27, 2024