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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
Carli Suspension XDK401 HD Full Progressive Leaf Spring Kit (1" Lift)The Carli Suspension HD Full Progressive Leaf Spring Kit (1" Lift) CS DFSP 10 D HD is designed to handle a 1,500lb constant load in your Ram 2500 3500 4WD. These full length progressive spring packs are built by Deaver Spring Mfg specifically for Carli Suspension. These springs were designed as a two stage spring pack, enabling the truck to still have an admirable weight capacity while offering smooth and comfortable street driving performance. These
The Carli Suspension HD Full Progressive Leaf Spring Kit (1" Lift) CS-DFSP-10-D-HD is designed to handle a 1,500lb constant load in your Ram 2500/3500 4WD. These full-length progressive spring packs are built by Deaver Spring Mfg specifically for Carli Suspension. These springs were designed as a two-stage spring pack, enabling the truck to still have an admirable weight capacity while offering smooth and comfortable street driving performance. These leafs are made for trucks hauling up to 1,500lbs. in the bed at all times and are perfect for mid-size Slide In Campers.
Features:
- Minimizes Axle Wrap/Wheel Hop
- Softens Initial Spring Rate At Ride Height
- Designed For Those With 1,500lbs. In Bed At All Times
- Capable Of 15" Of Suspension Travel With Factory Shackle
- 1"-2" Rear Lift Maintains Slight Rear-High Stance (With Carli 3" Systems)
- For Use With 4" Axle Tube
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
4.2 ★★★★★
Based on 1142 reviews
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Product Reviews
★★★★★ 5
Good
Works great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 11, 2026
★★★★★ 5
Noticeable Improvement in Engine Smoothness
Size: 150 ml, Pack of 1
I decided to try LIQUI MOLY Valve Clean to help keep the intake valves clean and maintain engine performance, and I’m really impressed with the results. After adding it to the fuel tank and running through a full tank of gas, the engine felt noticeably smoother and more responsive.
It’s very easy to use—just pour it into the fuel tank as directed. I also like that it’s from LIQUI MOLY, a brand known for high-quality automotive additives.
While it’s not a miracle fix for serious mechanical issues, it’s a great preventative maintenance product to help reduce deposits and keep the engine running efficiently. I plan to use it periodically as part of my regular maintenance routine.
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Reviewed in the United States on March 7, 2026
★★★★★ 5
Must have.
Size: 150 ml, Pack of 1
Very good product, works great.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Good for routine engine care
Size: 150 ml, Pack of 1
Definitely not a cure-all for major mechanical problems, but it works well as a preventative step. It helps lessen deposits and keeps the engine running smoothly. I intend to use it regularly as part of my maintenance schedule to keep everything in good shape.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
Worth the money
Size: 150 ml, Pack of 1
Great line of car products. My BMW gets better gas mileage when I use it regularly.
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Reviewed in the United States on April 1, 2026
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