Description
K37:
The K37 spring pack is an 11 leaf spring pack designed for stock weight. It has a much softer ride unloaded however it lacks a load leaf. These springs are great for folks who midly load their vehicle, do not tow, or to pair with airbags.
U748:
The U748 is a 9 leaf pack that is 7 main leafs plus 2 overload leafs. It’s unofficially designed for around 400 lbs of constant load, however we run it unloaded frequently. This leaf pack is great for folks who want to use their truck to tow/haul and load it down with gear. The ride unloaded will not be as compliant as a K37 however it gives the truck more utility.
Both spring options require a shackle for installation, we option them with Total Chaos Shackles designed in partnership with Deaver.
We have valving profiles for both leaf setups. We recommend to run these springs with 8100 Bypass shocks, as we have for the past 7 years: https://www.wheeleveryweekend.com/products/8100-bypasses-tundra-2007-2021-pair-3
Options:
- Bushing Kit
- Ubolt Kit
- Shackle (required)
Note: Crewmax do not gain a full 2″ of lift.
Shipping:
The online system is not able to accurately calculate the shipping for larger items. Shipping is typically around 150.00 however it is cheaper the closer you are to California/a major city.
Deaver Progressive Series springs are high-quality 9-leaf and 11-leaf units fabricated with high grade 5160 “American Made” steel. A higher leaf count spring allows the use of thinner leaf material that yields a more flexible progressive leaf stack, or pyramid, producing a much smoother spring rate curve throughout the complete suspension cycle. The even, linear compression rate curve of our progressive system spring is the primary key to excellent ride quality.
Other designs features include full military-wrapped spring eyes for superior durability, diamond cut inner leaf ends minimizing shear points and anti-friction pads inserted between the leafs for a smoother ride and quiet operation.
Combined with properly valved shock absorbers, the ride is enhanced beyond belief.
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