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Description
2008-2010 Superduty 4" 4-Link Conversion Kit with NX2 Nitro Shocks (BDS557H)This BDS Suspension 4" lift kit with 4 Link conversion sets up your 2008 2010 Ford F250 and F350 Super Duty gas truck for up to 35" tires. The conversion swaps the factory stamped steel radius arms for HD upper and lower control arms on high strength steel brackets to correct axle positioning and limit caster change through wheel travel. Up front it also includes gas specific Pro Ride coil springs, a forged drop pitman arm and track bar bracket for
This BDS Suspension 4" lift kit with 4-Link conversion sets up your 2008-2010 Ford F250 and F350 Super Duty gas truck for up to 35" tires. The conversion swaps the factory stamped steel radius arms for HD upper and lower control arms on high-strength steel brackets to correct axle positioning and limit caster change through wheel travel. Up front it also includes gas-specific Pro-Ride coil springs, a forged drop pitman arm and track bar bracket for steering correction, sway bar relocation, brake line brackets, and NX2 Nitro shocks. The rear uses a high-strength lift block, longer u-bolts, and matching NX2 Nitro shocks.
Features
- Easy, 100 percent bolt-on installation
- Pro-Ride dual rate coil springs provide a remarkable ride through any terrain
- Heavy duty 4-Link control arms offer improved handling, stability, strength and caster control during wheel travel
- Track bar relocation bracket and pitman arm maintain proper steering angles for improved handling
- Fabricated steel blocks provide level stance front to rear
- Nitrogen-charged twin-tube shock design
- 10-stage velocity-sensitive valving
- Dual-welded ends for increased strength
- 1-3/8-inch high-flow piston
- Self-lubricating seals
- Silver powder coat finish
Specs
- Front Lift Method: Coil Spring
- Rear Lift Method: Block
- Shocks Included: Yes
- Front Lift Height: 4 inch
- Rear Lift Height: 5 inch
Recommended Tire & Wheel Fitment
- Tire Size: 35x12.5
- Wheel Diameter: 18x9, 20x9
- Back Spacing: 4.5/4.5
Notes
- These trucks were manufactured with and without top mounted overload springs on the rear leaf springs (an extra leaf separate from the pack that sits above the main leaf). You will need to identify which you have before ordering.
- If your vehicle is equipped with a carrier bearing, you will need to order 123402 in the accessories section.
- Removal of the factory block is required.
- Front exhaust modification may be required to clear the front driveshaft on gas models.
- U-bolts will not fit dually models.
- Dropped pitman arm will not fit 10 lug widetrack F350 models.
Includes
- BDS003629, Ford F250/350 6 Inch Rear Spring (UPC 658848611393)
- BDS013010, 05 Ford F250/350 4-link Kit (1of2) (UPC 658848612994)
- BDS013012, 08 Ford F250/350 4-link Box Kit (UPC 658848613014)
- BDS033412, 2005-2024 Ford F250/F350 Gas 4 inch Coil Spring Kit (UPC 658848616534)
- BDS85415, Steering Stab 23.9 x 14.3 - EB1/EB1 (UPC 711745609112)
- BDS85700, Shock- 25.20 x 15.20 x 2-3/8 - S50/EB2 (UPC 711745609495)
- BDS85760, Shock- 33.00 x 19.25 x 2-3/8 - EB1/EB1 (UPC 711745609693)
- UBT4032, 5/8 x 3-5/8 x 10 Round U-bolt (UPC 711745613300)
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
4.1 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Works great!
Size: 7.5" x 8.7" x 1.4"
This is a great filter for allergies and a huge help during allergy season. It traps fine dust and pollen much better than the standard paper filters you get from the dealership, resulting in noticeably cleaner air inside the cabin. The construction feels very solid, and it fit perfectly right into the housing without any issues. If you are looking for true HEPA filtration in your vehicle, this is definitely worth the upgrade!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 13, 2026
★★★★★ 5
Saved over $60 and felt like a DIY hero!
Size: 7.5" x 8.7" x 1.4"
I bought the BOSCH 6092C HEPA Cabin Air Filter after a tire/service center quoted $76 to do the same job I did in no time. Instead, I watched a quick YouTube video, grabbed a screwdriver, and had it swapped out in under 5 minutes—no sweat, no special tools.
The filter itself is high quality, fits perfectly, and noticeably improved the air quality in my car. No weird smells, and the airflow feels cleaner and stronger. Honestly, it’s one of the easiest upgrades I’ve ever done.
If you’re even slightly handy (or just tired of paying for basic service), this is a no-brainer. Great product, easy install, and a satisfying win for anyone who likes saving money and doing things themselves.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 18, 2025
★★★★★ 5
Great aftermarket filter
Size: 7.5" x 8.7" x 1.4"
Performance will be TBD but after a test air does smell a bit cleaner. It Fits a 2018 Subaru Impreza just like the OEM does. Material is significantly better as well. The only thing that will cause confusion is the arrow designation many are used to. The OEM will state which way the filter is to be oriented (up), and this aftermarket version designates which way airflow goes which is usually in the direction of the blower or engine bay (down). Keep that in mind. Otherwise, it’s so easy and such a good peace of mind maintenance item everyone should do and NEVER pay the dealer.
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Reviewed in the United States on December 6, 2025
★★★★★ 4
Works ok, but not perfect. Manage expectations.
Size: 7.5" x 8.7" x 1.4"
My goal was to reduce or eliminate bad particulate odors coming in from outside while driving, as drive through areas with high particulate pollution. Sure, recirc mode exists, but then cars fill up with CO2 quickly, and high concentrations of CO2 makes you drowsy and have slow reaction times, etc. So I looked into better cabin air filters.
My Subaru has an easy-to-access cabin air filter. I learned how to properly change it via online videos, because the dealership wants over $50 just to change the filter, and it only takes a few minutes! The OEM filter I took out is not that good, and only meant for larger particulates, to protect the HVAC system. It reminded me of the cheaper (but not cheapest) furnace air handler filters.
Placing this new filter in and testing it, it does block more airflow, which is to be expected from a finer filter. My car's blower has 7 running speeds (plus off), and I needed to turn it up one notch higher to get about the same airflow, versus the previous filter.
The filter seems to work, somewhat. If behind a diesel truck, I still smell it. Same with cigarette smoke from a car in front. It doesn't block vape vapors at all, it seems. However, maybe I was expecting too much. The infographic for this filter clearly shows the size of particulate it can handle, which I appreciate very much. Diesel exhaust is a very fine particulate, smaller than this filter can filter. I also wonder if outside air is getting around the filter in the filter housing, since it just slides in, like a furnace air handler filter. It has a good fit though, in my car at least.
What I need is an even finer filter, but that would likely block a lot more airflow. There are various manufacturers of high-end cabin air filters, but I don't know if they match or exceed the quality of this one.
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Reviewed in the United States on January 10, 2025
★★★★★ 5
Good as OEM
Size: 7.5" x 8.7" x 1.4"
2024 Sub Crostrek, it fit great. I was so worried, that I need to get the OEM filter, but I went with this instead. Today as I installed the new filter, it looks as good or better than the original. I get that there's more to it than looks, but the quality of the look and feel appear to be matching that of the original, perhaps i might suggest it's even better.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 28, 2026
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