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Description
Carli Suspension Add-A-Pack Rear Springs 2" Lift 08-10 Ford SuperDuty F-250/F-350 4x4Carli Suspension's Progressive Add A Pack Rear Springs for 2008 2010 Ford SuperDuty is a proprietary design built specifically for Carli by Deaver Spring MFG. The lower overload leaf is removed and replaced with 6 thinner gauge leaves. The OEM. load capacity is still maintained while an improved ride is achieved. The add a packs will help to take the harshness out of everyday freeway driving. ELIMINATE HARSH REBOUND These packs are designed to
Carli Suspension's Progressive Add-A-Pack Rear Springs for 2008-2010 Ford SuperDuty is a proprietary design built specifically for Carli by Deaver Spring MFG. The lower overload leaf is removed and replaced with 6 thinner gauge leaves. The OEM. load capacity is still maintained while an improved ride is achieved. The add-a-packs will help to take the harshness out of everyday freeway driving.
ELIMINATE HARSH REBOUND
These packs are designed to eliminate the incredibly harsh rebound of the factory overload spring they replace helping to tame the medium to large bumps when paired with a Carli Suspension System. The Progressive add-a-pack replaces the lower overload springs on the factory pack. This is the 1″ thick leaf that doesn’t follow the contour of the rest of the pack. In removing this spring “wall” and replacing it with a mini progressive leaf pack, the capacity of the truck remains unchanged, as it’s determined by the factory springs, while the progression of the rear spring rate becomes substantially more predictable. The engagement and disengagement of the spring become quite a bit smoother increasing both ride quality and traction. As the “wall” was removed, the rear may sit lower with a heavy load BUT it will ride better loaded.
FULL PROGRESSIVE SPRING PACK
The rear of the Super Duty can be outfitted with a replacement Full Progressive Spring Pack (reduces capacity to a “light” ¾-ton) or this factory leaf-pack modifying Progressive Add-a-Pack. This is where the F250 and F350 are a bit different. Since 2008, the main spring packs on these two trucks have been different; the F250 has a lighter rate spring pack than its 350 counterpart. The F250 Add-a-Pack equipped systems are a nice improvement over stock; the F350 with the Add-a-Pack is still very stiff (in some cases, more so than stock) in the rear as the main pack doesn’t move much unless loaded. For this reason, Carli DOES NOT recommend these be installed on an F350.
FULL REPLACEMENT LEAF SPRINGS
For optimal ride quality, Carli recommends the Full Replacement Leaf Spring packs for both trucks but especially the F350 given the super-stiff factory springs. If capacity is a concern, an aftermarket airbag system should be installed to compliment the Full Progressive Leaf Springs to restore the F350 capacity. In the 4.5″/5.5″ Range, Carli offers Long Travel Airbags. If 2.5″/3.5″ height, it's recommend a system that will allow the airbags to disconnect from the lower mount during suspension cycling to ensure you’re able to take advantage of all your rear suspension travel.
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