Description
Carli Suspension
Carli Full Progressive Leaf Pack – For Leveling Systems – Heavy Duty
The Carli Heavy Duty Full Progressive Leaf Spring Pack is designed for trucks running a constant 1,000 lb bed load, making it ideal for work trucks equipped with toolboxes, welders, or overland setups. Built in collaboration with Deaver Spring, this system replaces the harsh factory leaf pack with a fully progressive design that significantly improves ride quality, control, and suspension travel. These springs are not intended for unloaded use and require the constant weight to achieve proper ride height and performance.
Engineered to pair with Carli 2.5″ leveling and suspension systems, this HD spring pack delivers smoother suspension cycling across highway driving, off-road terrain, and towing applications. The multi-leaf progressive design increases articulation while maintaining stability under load, making it a versatile upgrade for demanding applications.
Key Features:
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Designed for constant 1,000 lb bed load applications
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Ideal for work trucks, overland builds, and utility setups
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Full progressive, block-eliminating leaf spring pack
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9-leaf main pack with 3-leaf progressive overload
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Provides approximately 1″ rear lift with slight rear-high stance
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Supports up to 15″ of wheel travel
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Dramatically improves ride quality over factory leaf springs
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Relocated center pin for increased tire clearance (up to 38″, 37″ recommended)
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Includes new U-bolts and rear bump stop drop spacers
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Minimizes friction and improves suspension cycling
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Supports up to 37″ tire fitment
Notes:
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Not designed for unloaded driving conditions
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Requires approximately 1,000 lbs constant load for proper performance
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Will ride stiff and sit higher than intended if run unloaded
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Carli 2.5″ remote reservoir shocks with custom tuning recommended
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Compatible with 3.5″ axle tube diameter
Vehicle Fitment:
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2008–2010 Ford F-250 Super Duty
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2008–2010 Ford F-350 Super Duty
SKU: CS-FFSP-LVL-08-HD
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