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SumoSprings Trailer Helper Springs w/ Line Relocation Bracket - Single Axle - 3K to 5K - Underslung

Our Price: $299.99
In Stock
Improves suspension, handling and safety. Progressive spring rate. Provides additional support as needed so you always have a smooth, comfortable ride.Features: Improves suspension, handling and safety Provides additional support as needed so you always have a smooth, comfortable ride Allows the leaf spring ample movement while cushioning light loads Becomes more rigid as more weight is added Increases stability, providing great performance while hauling heavy loads Raises trailer ride height Works independently side-to-side Helps compensate for off-center loads Reduces body roll when swerving and turning corners Works to eliminate trailer sway Acts as shock absorbers, taking the brunt of bumps and rough roads Reduces load on leaf spring assembly Extends the life of your trailer's suspension Designed to work with a suspension system that is in good working order 2 Jounce-style springs, line relocation bracket, mounting brackets and hardware are included Maintenance-free - no tubing to run or air pressure to monitor like with air springs Simple, no-drill installation Made in the USA Specs: Application: 3,000-lb to 5,000-lb single, underslung axle - springs sit under axle For tandem axle applications, use 2 kits Fits 1-3/4" wide spring packs Capacity: 500 lbs at 50 percent compression Do not exceed the trailer's weight-carrying capacity Spring dimensions: 4" tall x 4" diameter Compresses up to 70 percent of original height with full memory rebound Required clearance between top of spring pack and bottom of trailer frame: 6" - 8-5/8" Limited lifetime warranty 30-Day satisfaction guarantee
  • Leaf Spring Enhancement System
  • Car Hauler
  • Boat Trailer
  • Camper
  • Snowmobile Trailer
  • Utility Trailer
  • 5000 lbs
  • 3000 lbs
  • 4000 lbs
  • Single Axle
  • SuperSprings Intl

SumoSprings Trailer Helper Springs w/ Line Relocation Bracket - Single Axle - 5K to 8K - Underslung

Retail: $352.74
Our Price: $320.99
In Stock
Improves suspension, handling and safety. Progressive spring rate. Provides additional support as needed so you always have a smooth, comfortable ride.Features: Improves suspension, handling and safety Provides additional support as needed so you always have a smooth, comfortable ride Allows the leaf spring ample movement while cushioning light loads Becomes more rigid as more weight is added Increases stability, providing great performance while hauling heavy loads Raises trailer ride height Works independently side-to-side Helps compensate for off-center loads Reduces body roll when swerving and turning corners Works to eliminate trailer sway Acts as shock absorbers, taking the brunt of bumps and rough roads Reduces load on leaf spring assembly Extends the life of your trailer's suspension Designed to work with a suspension system that is in good working order 2 Jounce-style springs, line relocation bracket, mounting brackets and hardware are included Maintenance-free - no tubing to run or air pressure to monitor like with air springs Simple, no-drill installation Made in the USA Specs: Application: 5,000-lb to 8,000-lb single, underslung axle - springs sit under axle For tandem axle applications, use 2 kits Fits 1-3/4" wide spring packs Capacity: 900 lbs at 50 percent compression Do not exceed the trailer's weight-carrying capacity Spring dimensions: 5" tall x 4" diameter Compresses up to 65 percent of original height with full memory rebound Required clearance between top of spring plate and bottom of trailer frame: 7-7/16" - 8-5/8" Limited lifetime warranty 30-Day satisfaction guarantee
  • Leaf Spring Enhancement System
  • Camper
  • Boat Trailer
  • Car Hauler
  • Utility Trailer
  • Snowmobile Trailer
  • 6000 lbs
  • 5000 lbs
  • 7000 lbs
  • 8000 lbs
  • Single Axle
  • SuperSprings Intl

SumoSprings Trailer Helper Springs w/ Line Relocation Bracket - Single Axle - 5K to 8K - Overslung

Our Price: $294.99
In Stock
Improves suspension, handling and safety. Progressive spring rate. Provides additional support as needed so you always have a smooth, comfortable ride.Features: Improves suspension, handling and safety Provides additional support as needed so you always have a smooth, comfortable ride Allows the leaf spring ample movement while cushioning light loads Becomes more rigid as more weight is added Increases stability, providing great performance while hauling heavy loads Raises trailer ride height Works independently side-to-side Helps compensate for off-center loads Reduces body roll when swerving and turning corners Works to eliminate trailer sway Acts as shock absorbers, taking the brunt of bumps and rough roads Reduces load on leaf spring assembly Extends the life of your trailer's suspension Designed to work with a suspension system that is in good working order 2 Jounce-style springs, line relocation bracket, mounting brackets and hardware are included Maintenance-free - no tubing to run or air pressure to monitor like with air springs Simple, no-drill installation Made in the USA Specs: Application: 5,000-lb to 8,000-lb single, overslung axle - springs sit over axle For tandem axle applications, use 2 kits Capacity: 900 lbs at 50 percent compression Do not exceed the trailer's weight-carrying capacity Spring dimensions: 5" tall x 4" diameter Compresses up to 65 percent of original height with full memory rebound Required clearance between top of spring plate and bottom of trailer frame: 5-5/16" - 6-1/2" Limited lifetime warranty 30-Day satisfaction guarantee Note: Does not work with spring plates wider than 4-1/4".
  • Leaf Spring Enhancement System
  • Boat Trailer
  • Car Hauler
  • Camper
  • Snowmobile Trailer
  • Utility Trailer
  • 5000 lbs
  • 6000 lbs
  • 7000 lbs
  • 8000 lbs
  • Single Axle
  • SuperSprings Intl

SumoSprings Trailer Helper Springs w/ Line Relocation Bracket - Single Axle - 3K to 5K - Overslung

Retail: $302.16
Our Price: $267.99
In Stock
Improves suspension, handling and safety. Progressive spring rate. Provides additional support as needed so you always have a smooth, comfortable ride.Features: Improves suspension, handling and safety Provides additional support as needed so you always have a smooth, comfortable ride Allows the leaf spring ample movement while cushioning light loads Becomes more rigid as more weight is added Increases stability, providing great performance while hauling heavy loads Raises trailer ride height Works independently side-to-side Helps compensate for off-center loads Reduces body roll when swerving and turning corners Works to eliminate trailer sway Acts as shock absorbers, taking the brunt of bumps and rough roads Reduces load on leaf spring assembly Extends the life of your trailer's suspension Designed to work with a suspension system that is in good working order 2 Jounce-style springs, line relocation bracket, mounting brackets and hardware are included Maintenance-free - no tubing to run or air pressure to monitor like with air springs Simple, no-drill installation Made in the USA Specs: Application: 3,000-lb to 5,000-lb single, overslung axle - springs sit over axle For tandem axle applications, use 2 kits Capacity: 500 lbs at 50 percent compression Do not exceed the trailer's weight-carrying capacity Spring dimensions: 5" tall x 4" diameter Compresses up to 70 percent of original height with full memory rebound Required clearance between top of spring plate and bottom of trailer frame: 5-5/16" - 6-1/2" Limited lifetime warranty 30-Day satisfaction guarantee Note: Does not work with spring plates wider than 4-1/4".
  • Leaf Spring Enhancement System
  • Boat Trailer
  • Snowmobile Trailer
  • Camper
  • Car Hauler
  • Utility Trailer
  • 5000 lbs
  • 3000 lbs
  • 4000 lbs
  • Single Axle
  • SuperSprings Intl

Hellwig Trailer Helper Springs - Single Axle

Retail: $409.40
Our Price: $286.59
Single axle trailer helper springs installs above your trailer's factory leaf springs to reduce sway and prevent sagging. Adjustable springs increase stability. ...
Features: Trailer helper springs upgrade your factory leaf springs to reduce sway and roll Reduces sagging when under load Extends the life of your factory suspension, tires, and brakes Flexes with factory leaf springs to limit bouncing while providing optimal stability U-bolts can be adjusted to suit different loads Driver's and passenger's sides can be adjusted independently for uneven loads Easy install - bolts above your factory leaf springs Zinc-plated mounting hardware included Durable steel construction ensures long lasting performance Silver vein hammer tone powder coat finish prevents corrosion Made in the USA Lifetime warranty
  • Leaf Spring Enhancement System
  • Utility Trailer
  • Camper
  • Car Hauler
  • Single Axle
  • Hellwig

SumoSprings Custom Helper Springs - Rear Axle

Our Price: $395.99
In Stock
Support your rear suspension with confidence. These helper springs reduce sag, improve control, and handle heavy loads without hassleso you can tow, haul, and explore without compromise. No air lines, no maintenancejust peace of mind.These SumoSprings Solo Custom Helper Springs help maintain an even, balanced ride, minimizing rear sag. With a sturdy 2,800-lb capacity at 50% compression for your rear suspension, you can tow heavy trailers and haul substantial loads in your vehicle with confidence.
  • Towing/Load Leveling
  • Bump Stops
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only

SumoSprings Custom Helper Springs - Rear Axle

Our Price: $414.99
In Stock
Upgrade your vehicle's rear suspension with these maintenance-free helper springs. They smooth out bumps, reduce sway, and help keep your vehicle level when towing or hauling. Durable urethane design installs easily with no drilling required.Features to know about Level Your Load: Progressive Load Control Springs Whether you're hauling weekend gear or towing a small trailer, these springs adapt to the load. Light cargo compresses them slightly for a soft ride, while heavier loads activate more resistance - keeping your truck level and your drive predictable.
  • Towing/Load Leveling
  • Bump Stops
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only

SumoSprings Custom Helper Springs - Rear Axle

Our Price: $444.99
In Stock
Upgrade your vehicle's rear suspension with these maintenance-free helper springs. They smooth out bumps, reduce sway, and help keep your vehicle level when towing or hauling. Durable urethane design installs easily with no drilling required.Features to know about Level Your Load: Progressive Load Control Springs Whether you're hauling weekend gear or towing a small trailer, these springs adapt to the load. Light cargo compresses them slightly for a soft ride, while heavier loads activate more resistance - keeping your truck level and your drive predictable.
  • Towing/Load Leveling
  • Bump Stops
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only

Coil SumoSprings Custom Helper Springs for Coil Spring Suspension - Rear Axle

Our Price: $206.99
In Stock
Get the cushioning power of SumoSprings for your coil springs and keep your ride comfortable. The wedge-shaped springs fit between the individual coils of your existing springs and help support heavy loads on your rear suspension.Limited Lifetime warranty 30-Day satisfaction guarantee Insert these helper springs in between the individual coil loops in your rear coil springs to defeat driver fatigue and add better support for heavy loads.
  • Towing/Load Leveling
  • Bump Stops
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only

Coil SumoSprings Custom Helper Springs for Coil Spring Suspension - Rear Axle

Our Price: $186.99
In Stock
Get the cushioning power of SumoSprings for your coil springs and keep your ride comfortable. The wedge-shaped springs fit between the individual coils of your existing springs and help support heavy loads on your rear suspension.Limited Lifetime warranty 30-Day satisfaction guarantee Insert these helper springs in between the individual coil loops in your rear coil springs to defeat driver fatigue and add better support for heavy loads.
  • Towing/Load Leveling
  • Bump Stops
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only

Coil SumoSprings Custom Helper Springs for Coil Spring Suspension - Front or Rear Axle

Retail: $210.76
Our Price: $186.99
In Stock
Get the cushioning power of SumoSprings for your coil springs and keep your ride comfortable. The wedge-shaped springs fit between the individual coils of your existing springs and help support extra loads on your front or rear suspension.Limited Lifetime warranty 30-Day satisfaction guarantee Insert these helper springs in between the individual coil loops in either your front or rear coil springs to defeat driver fatigue and add better support for heavy loads.
  • Towing/Load Leveling
  • Bump Stops
  • Front Axle Suspension Enhancement
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only

Coil SumoSprings Custom Helper Springs for Coil Spring Suspension - Rear Axle

Our Price: $246.99
In Stock
Get the cushioning power of SumoSprings for your rear coil springs and keep your ride comfortable. The wedge-shaped springs fit between the individual coils of your existing springs and help support heavy loads on your rear suspension.Limited Lifetime warranty 30-Day satisfaction guarantee Insert these helper springs in between the individual coil loops in your rear coil springs to defeat driver fatigue and add better support for heavy loads.
  • Towing/Load Leveling
  • Bump Stops
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only

Coil SumoSprings Custom Helper Springs for Coil Spring Suspension - Front or Rear Axle

Retail: $359.98
Our Price: $299.99
In Stock
Get the cushioning power of SumoSprings for your coil springs and keep your ride comfortable. The wedge-shaped springs fit between the individual coils of your existing springs and help support extra loads on your front or rear suspension.Limited Lifetime warranty 30-Day satisfaction guarantee Insert these helper springs in between the individual coil loops in either your front or rear coil springs to defeat driver fatigue and add better support for heavy loads.
  • Towing/Load Leveling
  • Bump Stops
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only

Coil SumoSprings Custom Helper Springs for Coil Spring Suspension - Front or Rear Axle

Our Price: $246.99
In Stock
Get the cushioning power of SumoSprings for your rear coil springs and keep your ride comfortable. The wedge-shaped springs fit between the individual coils of your existing springs and help support heavy loads on your front or rear suspension.Limited Lifetime warranty 30-Day satisfaction guarantee Insert these helper springs in between the individual coil loops in either your front or rear coil springs to defeat driver fatigue and add better support for heavy loads.
  • Towing/Load Leveling
  • Bump Stops
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only

Coil SumoSprings Custom Helper Springs for Coil Spring Suspension - Front or Rear Axle

Retail: $225.19
Our Price: $206.99
In Stock
Get the cushioning power of SumoSprings for your coil springs and keep your ride comfortable. The wedge-shaped springs fit between the individual coils of your existing springs and help support extra loads on your front or rear suspension.Limited Lifetime warranty 30-Day satisfaction guarantee Insert these helper springs in between the individual coil loops in either your front or rear coil springs to defeat driver fatigue and add better support for heavy loads.
  • Towing/Load Leveling
  • Bump Stops
  • Front Axle Suspension Enhancement
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only

Coil SumoSprings Custom Helper Springs for Coil Spring Suspension - Rear Axle

Our Price: $299.99
In Stock
Get the cushioning power of SumoSprings for your coil springs and keep your ride comfortable. The wedge-shaped springs fit between the individual coils of your existing springs and help support heavy loads on your rear suspension.Limited Lifetime warranty 30-Day satisfaction guarantee Insert these helper springs in between the individual coil loops in your rear coil springs to defeat driver fatigue and add better support for heavy loads.
  • Towing/Load Leveling
  • Bump Stops
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only

Coil SumoSprings Custom Helper Springs for Coil Spring Suspension - Rear Axle

Our Price: $165.99
In Stock
Get the cushioning power of SumoSprings for your rear coil springs and keep your ride comfortable. The wedge-shaped springs fit between the individual coils of your existing springs and help support heavy loads on your rear suspension.Limited Lifetime warranty 30-Day satisfaction guarantee Insert these helper springs in between the individual coil loops in your rear coil springs to defeat driver fatigue and add better support for heavy loads.
  • Towing/Load Leveling
  • Bump Stops
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only

Coil SumoSprings Custom Helper Springs for Coil Spring Suspension - Rear Axle

Our Price: $227.99
In Stock
Get the cushioning power of SumoSprings for your coil springs and keep your ride comfortable. The wedge-shaped springs fit between the individual coils of your existing springs and help support heavy loads on your rear suspension.Dimensions: Overall height: 3" Inside groove height: 1-3/4" Diameter: trim to fit Limited Lifetime warranty 30-Day satisfaction guarantee Insert these helper springs in between the individual coil loops in your rear coil springs to defeat driver fatigue and add better support for heavy loads.
  • Towing/Load Leveling
  • Bump Stops
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only

Coil SumoSprings Custom Helper Springs for Coil Spring Suspension - Rear Axle

Our Price: $175.99
In Stock
Get the cushioning power of SumoSprings for your coil springs and keep your ride comfortable. The wedge-shaped springs fit between the individual coils of your existing springs and help support heavy loads on your rear suspension.Limited Lifetime warranty 30-Day satisfaction guarantee Insert these helper springs in between the individual coil loops in your rear coil springs to defeat driver fatigue and add better support for heavy loads.
  • Towing/Load Leveling
  • Bump Stops
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only

Coil SumoSprings Custom Helper Springs for Coil Spring Suspension - Front or Rear Axle

Retail: $197.37
Our Price: $165.99
In Stock
Get the cushioning power of SumoSprings for your coil springs and keep your ride comfortable. The wedge-shaped springs fit between the individual coils of your existing springs and help support extra loads on your front or rear suspension.Limited Lifetime warranty 30-Day satisfaction guarantee Insert these helper springs in between the individual coil loops in either your front or rear coil springs to defeat driver fatigue and add better support for heavy loads.
  • Towing/Load Leveling
  • Bump Stops
  • Rear Axle Suspension Enhancement
  • Front Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only

Coil SumoSprings Custom Helper Springs for Coil Spring Suspension - Front or Rear Axle

Retail: $185.67
Our Price: $175.99
In Stock
Get the cushioning power of SumoSprings for your coil springs and keep your ride comfortable. The wedge-shaped springs fit between the individual coils of your existing springs and help support extra loads on your front or rear suspension.Limited Lifetime warranty 30-Day satisfaction guarantee Insert these helper springs in between the individual coil loops in either your front or rear coil springs to defeat driver fatigue and add better support for heavy loads.
  • Towing/Load Leveling
  • Bump Stops
  • Front Axle Suspension Enhancement
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only

Coil SumoSprings Custom Helper Springs for Coil Spring Suspension - Front or Rear Axle

Our Price: $227.99
In Stock
Get the cushioning power of SumoSprings for your coil springs and keep your ride comfortable. The wedge-shaped springs fit between the individual coils of your existing springs and help support extra loads on your front or rear suspension.Limited Lifetime warranty 30-Day satisfaction guarantee Insert these helper springs in between the individual coil loops in either your front or rear coil springs to defeat driver fatigue and add better support for heavy loads.
  • Towing/Load Leveling
  • Bump Stops
  • Front Axle Suspension Enhancement
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only

SumoSprings Solo Custom Helper Springs - Rear Axle - Preorder

Our Price: $413.99
COMING SOON! SuperSprings is actively working on helper springs for your 2027 Mercedes-Benz Sprinter 2500. We'll update info as we get it. Preorder now for quickest delivery.Minimizes Body Roll: Independent springs adjust to off-center loads for better cornering stability. Cushions Bumps: Absorbs road shock to create a smoother, more comfortable ride.
  • Towing/Load Leveling
  • Bump Stops
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only

SumoSprings Solo Custom Helper Springs - Rear Axle - Preorder

Our Price: $368.12
COMING SOON! SuperSprings is actively working on helper springs for your 2027 Mercedes-Benz Sprinter 3500. We'll update info as we get it. Preorder now for quickest delivery.Minimizes Body Roll: Independent springs adjust to off-center loads for better cornering stability. Cushions Bumps: Absorbs road shock to create a smoother, more comfortable ride.
  • Towing/Load Leveling
  • Bump Stops
  • Rear Axle Suspension Enhancement
  • SuperSprings Intl
  • Suspension Only