Fits 2019-2023 Ford Ranger Lariat, XL, and XLT models (2WD/4WD).

The Hellwig EZ 990 Helper Spring kit is a technical solution for Ford Ranger owners who frequently haul heavy loads or tow trailers. This single leaf system provides up to 2,000 lbs of level load capacity, helping to eliminate rear-end sag and restore vehicle stability. By maintaining a level stance under load, you preserve the factory steering geometry and braking performance, ensuring safer handling while hauling.

The EZ 990 series is designed for versatility and is fully tunable. Using the included heavy-duty hardware, you can adjust the spring tension to provide the exact level of support your cargo requires. The springs are manufactured from heat-treated alloy steel for maximum durability and resistance to fatigue over time.

• Manufacturer Part Number: 1914
• Series: EZ 990
• Load Capacity: Up to 2,000 lbs
• Spring Type: Single Leaf
• Material: Heat-treated spring steel
• Hardware: Heavy-duty U-bolts and mounting brackets included
• Adjustability: Tunable for specific load requirements

Fits 2000-2006 Toyota Tundra Base, Limited, and SR5 models (2WD/4WD).

Improve your truck's hauling stability and restore ride height with the Hellwig 1910 Pro Series Helper Spring kit. This 2-leaf system is engineered to provide up to 2,500 lbs of additional level load capacity, effectively reducing rear-end sag and swaying when towing or carrying heavy payloads. The tunable design allows you to adjust the tension of the springs to match your specific load requirements, ensuring your Toyota Tundra remains level and controlled.

Built for durability and quiet operation, this kit features Hellwig's Silent Support System. By utilizing specialized polyurethane bushings, this design eliminates the metal-on-metal contact and "clacking" noise common with standard helper springs. The over-axle mounting configuration provides a secure attachment to the factory leaf pack for a straightforward installation.

• Manufacturer Part Number: 1910
• Level Load Capacity: Up to 2,500 lbs
• Spring Type: 2-Leaf Pro Series
• Mounting Design: Over-axle
• Bushing Material: Polyurethane (Silent Support System)
• Adjustment: Tunable tension for varied loading
• Warranty: Limited Lifetime Warranty

Fits 2007-2023 Toyota Tundra 2WD and 4WD models. This Hellwig Pro Series helper spring kit provides a level load capacity of up to 2,500 lbs, designed to restore factory ride height and improve stability when towing or hauling heavy payloads.

The Hellwig 1909 features a 2-leaf configuration with an over-axle mounting design that bolts directly to your existing leaf pack. This system is fully tunable, allowing you to adjust the spring rate to match your specific load requirements. To ensure quiet operation, it utilizes Hellwig's Silent Support System bushings, preventing the metal-on-metal contact often found in lesser helper springs.

• Manufacturer Part Number: 1909
• Leveling Capacity: Up to 2,500 lbs
• Configuration: 2-Leaf Pro Series
• Mounting: Over-axle design
• Installation: Simple bolt-on application with included hardware
• Acoustics: Silent Support System bushings for noise reduction
• Warranty: Limited Lifetime Warranty

Fits 2005-2023 Toyota Tacoma 2WD and 4WD models (All Trims).

The Hellwig Load Pro 15 helper spring kit is an essential suspension upgrade for Tacoma owners who frequently tow or haul heavy equipment. This add-a-leaf system bolts directly to the factory leaf pack, providing progressive support that stabilizes the rear end under load while maintaining factory ride quality when the bed is empty. It is engineered to eliminate rear-end sag, reduce bottoming out, and improve steering control by keeping weight properly distributed across all four wheels.

Constructed from heat-treated 5160 alloy spring steel, these helper springs are built for long-term durability under heavy-duty conditions. The kit includes all necessary mounting hardware for a straightforward bolt-on installation, requiring no welding or specialized modifications to the vehicle's frame.

• Manufacturer Part Number: 1906
• Product Line: Load Pro 15
• Material: Heat-treated 5160 alloy spring steel
• Installation: Bolt-on to factory leaf springs
• Reduces sag and improves stability during heavy towing
• Includes heavy-duty mounting hardware

Fits select 2016-2026 Ford Transit-150, Transit-250, Transit-350, and Transit-350 HD cargo vans and cutaway chassis.

The Hellwig 1904 EZ-990 Helper Spring Kit provides a cost-effective solution for restoring ride height and improving handling on Ford Transit vehicles under heavy load. By adding a single tunable leaf to the factory rear leaf pack, this kit offers up to 2,000 lbs of level load capacity, effectively reducing rear-end sag, body roll, and bottoming out during transport. Built from heat-treated alloy steel, the EZ-990 is designed for durability and can be adjusted to meet your specific load requirements.

• Manufacturer Part Number: 1904
• Level Load Capacity: Up to 2,000 lbs
• Materials: High-strength heat-treated alloy steel
• Tunable design allows for load-specific tension adjustment
• Easy bolt-on installation using basic hand tools; no drilling required
• Specifically fits Cargo Van and Cutaway Chassis (does not fit Passenger Van models)
• Limited Lifetime Warranty

Fits select 1966-2002 Chevrolet, GMC, Ford, and Dodge trucks and SUVs.

The Hellwig EZ-990 helper spring kit is a medium-duty suspension solution designed to restore ride height and improve stability under load. These helper springs provide up to 2,000 lbs of level-load carrying capacity, making them an ideal choice for light towing and hauling applications. By reinforcing the factory leaf pack, the EZ-990 system reduces rear-end sag and improves overall vehicle control.

Each kit is manufactured in the USA using heat-treated ASTM 5160 alloy spring steel for long-term durability and resistance to fatigue. The components are finished with a heavy-duty powder coating and plating to withstand harsh underbody environments. The simple bolt-on design installs easily with common hand tools and features adjustable U-bolts, allowing you to tune the tension based on your specific load requirements or to compensate for uneven side-to-side weight distribution.

• Level load capacity up to 2,000 lbs
• Manufactured from heat-treated ASTM 5160 alloy steel
• Adjustable U-bolts for fine-tuned support
• Heavy-duty powder-coated and plated components
• Simple bolt-on installation with included hardware
• Manufacturer Part Number: 1801

Fits select 1968-2010 Chevrolet, Dodge, Ford, GMC, Isuzu, Jeep, Mazda, Mitsubishi, Nissan, Oldsmobile, and Toyota trucks and SUVs.

The Hellwig Load Pro 15 (LP-15) helper spring kit is engineered to increase your vehicle's level load carrying capacity up to 1,500 lbs, helping maintain proper ride height and stability when towing or hauling heavy loads. These springs work in conjunction with your factory leaf pack to reduce rear-end sag and improve handling under load without permanently hardening the ride quality.

Manufactured in Hellwig's California facility from heat-treated ASTM 5160 alloy spring steel, these units are built for long-term durability and consistent performance. The kit features a simple bolt-on design that installs using common hand tools. The included heavy-duty U-bolts allow for precise fine-tuning of the suspension tension, giving you the ability to adjust support levels as your hauling requirements change.

• Rated for up to 1,500 lbs of level load capacity
• Constructed from heat-treated ASTM 5160 alloy spring steel
• Plated and powder-coated finish for superior corrosion resistance
• Fully adjustable U-bolts for customizable suspension support
• Simple bolt-on installation with no drilling or welding required
• Manufacturer Part Number: 1515
• Includes spring leaves, heavy-duty hardware, and installation instructions
• Limited Lifetime Warranty

Fits 2015-2022 Chevrolet Colorado and GMC Canyon.

The Hellwig EZ-1000 Helper Spring kit (MPN 1252) provides a medium-duty suspension solution designed to improve control and stability when towing or hauling light loads. This kit is ideal for restoring a level ride height and reducing rear-end sag without permanently stiffening your ride quality. The adjustable design allows you to fine-tune the tension using the included heavy-duty U-bolts, even enabling independent adjustment to compensate for uneven side-to-side loads.

Manufactured in California, these helper springs are forged from heat-treated ASTM 5160 alloy spring steel for maximum durability under load. The components feature a combination of powder coating and plating to resist corrosion in harsh underbody environments. The simple bolt-on design installs easily with common hand tools, making it a straightforward upgrade for both daily drivers and work trucks.

• Level load carrying capacity: Up to 1,000 lbs
• Material: Heat-treated ASTM 5160 alloy spring steel
• Finish: Heavy-duty powder coated and plated hardware
• Fully adjustable tension to suit changing load requirements
• Includes all necessary heavy-duty U-bolts and mounting hardware
• Manufacturer Part Number: 1252
• Limited Lifetime Warranty

Fits 2005-2015 Toyota Tacoma (Base, Pre Runner, TRD Pro, and X-Runner models).

The Hellwig EZ Level 1000 Helper Spring kit (MPN 1251) is a medium-duty suspension solution engineered to provide up to 1,000 lbs of level load-carrying capacity. Manufactured in the USA from heat-treated ASTM 5160 alloy spring steel, these helper springs significantly improve vehicle control and stability when towing light trailers or carrying rear-end loads. The adjustable U-bolt design allows you to fine-tune the tension to match your specific load requirements or compensate for uneven side-to-side weight distribution.

Installation is a straightforward bolt-on process that utilizes common hand tools, requiring no specialized equipment. Each kit features powder-coated and plated components for long-term durability and corrosion resistance, ensuring reliable performance under various driving conditions.

• Rated for up to 1,000 lbs level load capacity
• Constructed from heat-treated ASTM 5160 alloy spring steel
• Fully adjustable U-bolts for precise load management
• Durable powder-coated and plated hardware for corrosion resistance
• Complete kit includes all necessary mounting hardware and instructions
• Manufacturer Part Number: 1251
• Limited Lifetime Warranty

Fits select 1970-2010 Chevrolet, Dodge, Ford, GMC, Isuzu, Jeep, Mazda, Mitsubishi, Nissan, Plymouth, and Toyota trucks and SUVs.

The Hellwig EZ-1000 Helper Spring kit is a medium-duty solution designed to provide up to 1,000 lbs of additional leveling capacity. Ideal for light towing and hauling, these springs bolt directly to your factory leaf pack to reduce rear-end sag and improve vehicle stability. The fully adjustable design allows you to fine-tune the tension using heavy-duty U-bolts, making it easy to compensate for permanent loads or uneven side-to-side weight distribution.

Constructed from heat-treated ASTM 5160 alloy spring steel in Hellwig’s California facility, these springs are built for longevity and consistent performance. The kit features a durable powder-coated finish and includes all necessary zinc-plated hardware for a straightforward installation using common hand tools. This kit replaces worn OE components or adds necessary support to factory suspensions under load.

• Level load carrying capacity up to 1,000 lbs
• Manufactured from high-strength heat-treated ASTM 5160 alloy steel
• Fully adjustable U-bolts to customize support based on your specific load
• Independent side-to-side adjustment for off-center loads
• Complete bolt-on kit with powder-coated components and plated hardware
• Manufacturer Part Number: 1250
• Limited Lifetime Warranty

Fits select 1991-2004 Ford F-250/F-350 Super Duty, Chevrolet/GMC C2500/C3500, and C2500 Suburban.

The Fabtech FTSBK5 5-inch Rear Leaf Spring Block Kit provides a reliable way to increase the rear ride height of your truck or SUV. Designed for the budget-conscious enthusiast, this kit installs directly between the axle housing and the leaf spring pack to facilitate 5 inches of lift. This setup is ideal for leveling out a vehicle with a front lift kit or for gaining the necessary clearance for larger tire and wheel packages while maintaining the factory ride quality of the OE leaf springs.

• Provides 5 inches of additional rear lift height
• Compatible with heavy-duty leaf spring applications
• Engineered for precise fitment between axle pad and spring pack
• Straightforward bolt-on installation process
• Manufacturer Part Number: FTSBK5

Fits select 1980-2004 Chevrolet, GMC, Ford, and Dodge trucks and SUVs.

The Fabtech FTSBK4 4-inch Rear Leaf Spring Block Kit provides a reliable and cost-effective way to raise the rear ride height of your vehicle. Ideal for leveling out the stance after a front suspension lift or for gaining additional ground clearance, these blocks are designed for straightforward installation between the rear axle and the leaf spring pack. This kit is engineered for enthusiasts seeking functional performance without unnecessary complexity.

• Lift Height: 4 inches
• Position: Rear
• Design: Tapered or straight block configuration for leaf spring applications
• Installation: Bolts between axle housing and leaf springs
• Manufacturer Part Number: FTSBK4

Fits select 1983-2005 Chevrolet, GMC, Ford, and Dodge trucks and SUVs, including C1500/C2500, Ram 1500, Ranger, and F-Series Super Duty models.

The Fabtech FTSBK3 Rear Leaf Spring Block Kit provides a straightforward and cost-effective method to raise the rear of your vehicle by 3 inches. By spacing the factory leaf springs from the axle, these blocks allow for increased tire clearance and a leveled stance without the complexity or expense of a complete replacement leaf pack. Designed for the budget-conscious enthusiast, this kit maintains the factory ride quality while providing the lift needed for larger wheel and tire combinations.

• Lift Height: 3 inches
• Position: Rear axle
• Compatibility: Designed for vehicles with leaf spring rear suspensions
• Installation: Facilitates a direct-fit install between the axle pad and leaf spring
• Manufacturer Part Number: FTSBK3
• Includes: Rear lift blocks and installation instructions

Fits select 1991-2008 Chevrolet/GMC C2500 and C3500, Dodge Ram 2500, Ford Excursion, F-150, F-250, and Ranger.

This Fabtech Rear Leaf Spring Block Kit (FTSBK2) provides a reliable 2-inch lift to the rear of your vehicle by mounting between the factory axle housing and the leaf springs. Engineered as a cost-effective solution for enthusiasts looking to level their stance or accommodate larger tire sizes, these blocks help restore ride height or add clearance without sacrificing ride quality. The components are designed for a straightforward installation, making this an ideal upgrade for trucks and SUVs requiring additional rear altitude for towing, hauling, or off-road use.

• Provides 2.0 inches of rear lift height
• Designed to fit between the axle and leaf spring pack
• Restores rear stance or levels vehicle after front-end lift
• Durable construction for long-term suspension stability
• Compatible with factory-style U-bolts and hardware
• Manufacturer Part Number: FTSBK2

Fits select 1999-2005 Ford F-250/F-350 Super Duty and 2000-2005 Ford Excursion 4WD models.

This Fabtech Round U-Bolt Kit (FTS351UBK) provides the essential high-strength hardware required to secure your rear leaf spring pack to the axle. These extended U-bolts are specifically designed for applications involving rear lift blocks or upgraded leaf packs where the factory hardware is no longer long enough to provide safe thread engagement. Manufactured with precision threads and a round profile, these bolts ensure even clamping force across the axle tube.

• Thread Size: 5/8-18
• Inside Length: 12.00 inches
• Inside Width: 3.50 inches
• Profile: Round
• Application: Rear Axle
• Includes: 4 U-bolts, nuts, and washers
• Manufacturer Part Number: FTS351UBK

Fits select 1984-2004 Toyota Pickup and Tacoma models (Base, DLX, SR5, SR5 Turbo, and Pre Runner).

The Fabtech FTS200 Rear Add-A-Leaf Kit is an effective solution for restoring lost ride height and increasing the load-carrying capacity of your rear suspension. Engineered with modern thin leaf technology, these secondary leaves integrate into your existing factory leaf pack to provide additional support without the harshness often associated with heavy-duty springs. This design ensures the wheels maintain better contact with the road over bumps and dips, reducing bounce for the driver.

Each leaf is crafted for strength and flexibility, allowing for a smooth ride during daily driving while offering the necessary muscle for heavier loads. The FTS200 kit features pre-drilled holes to ensure a precise fit and a more efficient installation process when mounting to your stock components.

• Manufacturer Part Number: FTS200
• Utilizes modern thin leaf technology for a smoother ride
• Pre-drilled center holes for simplified, bolt-on installation
• Designed to supplement and work with stock rear leaf springs
• Increases rear load capacity and corrects suspension sag

Fits 2011-2025 Chevrolet Silverado and GMC Sierra 2500 HD/3500 HD 2WD/4WD trucks.

The Cognito Deaver Mini Leaf Pack Set is engineered to improve the ride quality of heavy-duty GM trucks by addressing the harshness of the factory suspension. This progressive mini pack replaces the thick, stiff OEM bottom overload spring with a progressive-rate leaf assembly that offers a more compliant feel on the road. When one or both factory spacer blocks are removed, this set provides an adjustable 1 to 2.5 inches of rear lift, though total height adjustments can range from 1 to 3 inches depending on configuration.

These mini packs are designed exclusively for compatibility with stock spring packs and include new high-strength center pins for a secure installation. Manufactured in the USA, this kit is a functional upgrade for owners looking to balance increased ride height with a smoother suspension response.

• Progressive spring rate replaces harsh factory bottom overload spring
• Adjustable rear lift height from 1 to 3 inches
• Compatible only with OEM leaf spring packs
• Includes required installation center pins
• Estimated 2-hour DIY installation time
• Made in the USA
• Sold as a complete set
• Manufacturer Part Number: 210-91230

Fits 2019-2025 Chevrolet Silverado 1500 and GMC Sierra 1500 (2WD/4WD) models.

The Cognito Deaver Mini Leaf Pack Set (MPN: 210-91170) is engineered to replace the harsh, non-progressive factory bottom overload spring found on late-model GM 1500 trucks. By swapping out the rigid OE overload with this progressive-rate mini pack, you gain significantly smoother ride quality without sacrificing load handling. This set provides an adjustable rear lift of 1-3 inches, depending on whether one or both factory spacer blocks are removed. These mini packs are designed exclusively for use with stock leaf spring packs and include new, high-strength center pins for a secure installation.

• Provides 1-3 inches of adjustable rear lift height
• Replaces the thick, harsh factory bottom overload spring
• Features a progressive spring rate for superior ride comfort
• Fastens to stock spring packs with included center pins
• Straightforward 2-hour DIY installation
• Manufactured in the USA
• Sold as a complete set (Pair)
• Manufacturer Part Number: 210-91170

Fits 2011-2024 Chevrolet Silverado and GMC Sierra 2500HD/3500HD (2WD/4WD).

The Cognito 110-91031 1-inch block and U-bolt kit is engineered to provide a precise 1-inch rear lift for heavy-duty GM trucks. The kit features durable cast steel blocks finished in a semi-gloss black powder coat for superior corrosion resistance and long-term durability. To ensure a secure installation, the package includes 16-inch straight, heavy-duty zinc-plated U-bolts designed specifically for the higher torque and load demands of the 2500HD and 3500HD chassis. Made in the USA, this kit maintains proper suspension geometry while providing the necessary clearance or leveling required for your application.

• Part Number: 110-91031
• Lift Height: 1.0 Inch
• U-Bolt Length: 16.0 Inch
• U-Bolt Shape: Straight
• Block Material: Cast Steel
• Hardware: Zinc Plated U-Bolts
• Finish: Semi-Gloss Black Powder Coat
• Origin: Made in the USA

Fits select 2003-2024 Dodge Ram 2500 and Ram 3500 4x4 models.

Carli Fabricated Leaf Spring Shackles are engineered as a direct replacement for factory hardware to provide immediate ride quality improvements. By allowing the leaf spring to cycle more freely than the restrictive OE shackles, this upgrade reduces rear suspension harshness during daily driving and off-road use.

• Rugged Construction: Manufactured from 1/4-inch fabricated steel for superior strength and durability compared to stamped factory alternatives.
• Serviceable Design: Features a greasable and rebuildable design, ensuring a long service life and easy maintenance.
• Corrosion Protection: Finished in a durable black powdercoat to resist salt, debris, and the elements.
• Dual Compatibility: Designed to fit perfectly with both factory leaf springs and Carli aftermarket leaf spring packs.
• Manufacturer Part Number: CS-DSHACKLE-0313

Fits select 2003-2010 Dodge Ram 2500 and 3500 4x4 (Diesel).

The Carli Progressive Add-A-Pack is engineered to enhance rear ride quality without sacrificing your truck's load-carrying capacity. By replacing the factory lower overload spring with a progressive leaf pack, this system improves predictability on rough terrain and ensures tires stay firmly planted. This kit provides 1" of rear lift, making it an ideal solution for leveling vehicles equipped with 3" front suspension systems.

• Specifically tuned for 2003-2010 Dodge Ram 2500/3500 4x4 Diesel applications
• Provides 1" of rear lift to match 3" front leveling/lift kits
• Replaces the harsh factory lower overload spring
• Includes heavy-duty U-bolts and centering pins for complete installation
• Improves suspension cycle predictability and ride comfort
• Manufacturer Part Number: CS-DPAP-03-D

Fits select 1967-1981 Chevrolet Camaro and Pontiac Firebird, and 1969-1974 Chevrolet Nova.

Replace sagging or worn-out factory leaf springs with BMR Suspension SP057 lowering leaf springs to improve your classic's stance and handling. These springs provide a 2-inch drop to lower the vehicle's center of gravity and reduce body roll. Engineered with a 190 lb/in spring rate, they provide firm control and improved traction without the excessive oversteer often caused by overly stiff springs.

The SP057 features a three-leaf design with precise clamp locations to minimize axle wrap and the oscillation that leads to wheel hop. For smooth, quiet performance, BMR includes Teflon anti-friction pads to reduce noise, vibration, and harshness (NVH) during travel. This comprehensive kit includes both front rubber bushings for a comfortable ride and polyurethane rear bushings to sharpen handling response.

• Manufacturer Part Number: SP057
• Drop Height: 2 inches
• Spring Rate: 190 lb/in
• Construction: 3-leaf spring design
• Finish: Durable black powder coat
• Included Hardware: New front rubber bushings and rear polyurethane bushings
• Features Teflon anti-friction pads for quiet operation