Expert Review Video:
Vehicle Suspension Specs:
Features:
4,600-lb Capacity. Upgrade your rear suspension by installing these helper leaf springs above your vehicle's factory leaf springs. They significantly reduce sway and prevent sagging, which is perfect for those who often tow or haul heavy loads.
Installation Notes:
No drilling through vehicle frame required for installation.
Designed for use on Cutaway models only
Check vertical clearance above spring pack before purchase. Product only fits vehicles with floor pan that is higher than top of frame
More Information >Vehicle Suspension Specs:
Features:
3,400-lb Capacity. Upgrade your rear suspension by installing these helper leaf springs above your vehicle's factory leaf springs. They significantly reduce sway and prevent sagging, which is perfect for towing or hauling heavy loads.
Installation Notes:
No drilling through vehicle frame required for installation.
Designed for use on Cutaway models only
Check vertical clearance above spring pack before purchase. Product only fits vehicles with floor pan that is higher than top of frame
Application includes models with Dual Rear Wheels.
Tech Tip:
The included polypad must be trimmed 1/4" on each end to fit.
More Information >Vehicle Suspension Specs:
Features:
2,800-lb Capacity. Upgrade your vehicle's rear suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.
Installation Notes:
No drilling through vehicle frame required for installation.
Product fits Cutaway models with 159 inch wheelbase
SumoSprings jounce will replace the factory bumpstop for this application
More Information >Vehicle Suspension Specs:
Features:
2,800-lb Capacity. Upgrade your vehicle's rear suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.
Installation Notes:
No drilling through vehicle frame required for installation.
Product fits Cutaway models with 159 inch wheelbase
SumoSprings jounce will replace the factory bumpstop for this application
Designed for use on Cutaway models only
More Information >Vehicle Suspension Specs:
Features:
Get the cushioning of SumoSprings for your coils. These wedge-shaped springs fit between the individual coils in each spring of your vehicle's front suspension for better load support and a more comfortable ride. Great for trucks with snowplows.
Installation Notes:
No drilling through vehicle frame required for installation.
More Information >Vehicle Suspension Specs:
Features:
Get the cushioning of SumoSprings for your coils. These wedge-shaped springs fit between the individual coils in each spring of your vehicle's front suspension for better load support and a more comfortable ride. Great for trucks with snowplows.
Installation Notes:
No drilling through vehicle frame required for installation.
More Information >Vehicle Suspension Specs:
Features:
Get the cushioning of SumoSprings for your coils. These wedge-shaped springs fit between the individual coils in each spring of your vehicle's front suspension for better load support and a more comfortable ride. Great for trucks with snowplows.
Installation Notes:
No drilling through vehicle frame required for installation.
More Information >Vehicle Suspension Specs:
Features:
Get the cushioning of SumoSprings for your coils. These wedge-shaped springs fit between the individual coils in each spring of your vehicle's front suspension for better load support and a more comfortable ride. Great for trucks with snowplows.
Installation Notes:
No drilling through vehicle frame required for installation.
More Information >Vehicle Suspension Specs:
Features:
1,250-lb Capacity. Upgrade your vehicle's front suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.
Installation Notes:
No drilling through vehicle frame required for installation.
Tech Tip:
Product will also work on 1500 models with All Wheel Drive.
More Information >Vehicle Suspension Specs:
Features:
1,250-lb Capacity. Upgrade your vehicle's front suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.
Installation Notes:
No drilling through vehicle frame required for installation.
More Information >Vehicle Suspension Specs:
Features:
1,250-lb Capacity. Upgrade your vehicle's front suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.
Installation Notes:
No drilling through vehicle frame required for installation.
More Information >Vehicle Suspension Specs:
Features:
1,250-lb Capacity. Upgrade your vehicle's front suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.
Installation Notes:
No drilling through vehicle frame required for installation.
More Information >Vehicle Suspension Specs:
Features:
1,500-lb Capacity. Upgrade your vehicle's rear suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.
Installation Notes:
No drilling through vehicle frame required for installation.
SumoSprings jounce will replace the factory bumpstop for this application
More Information >Vehicle Suspension Specs:
Features:
1,500-lb Capacity. Upgrade your vehicle's rear suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.
Installation Notes:
No drilling through vehicle frame required for installation.
SumoSprings jounce will replace the factory bumpstop for this application
More Information >Vehicle Suspension Specs:
Features:
5,000-lb Capacity. Upgrade your rear suspension by installing these helper leaf springs above your vehicle's factory leaf springs. They significantly reduce sway and prevent sagging, which is perfect for towing or hauling heavy loads.
Installation Notes:
No drilling through vehicle frame required for installation.
Designed for use on Cutaway models only
Check vertical clearance above spring pack before purchase. Product only fits vehicles with floor pan that is higher than top of frame
More Information >Vehicle Suspension Specs:
Features:
1,000-lb Capacity. Upgrade your vehicle's rear suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.
Installation Notes:
No drilling through vehicle frame required for installation.
SumoSprings jounce will replace the factory bumpstop for this application
More Information >Vehicle Suspension Specs:
Features:
1,900-lb Capacity. Install these helper leaf springs above your vehicle's rear factory leaf springs. They reduce sway and prevent sagging, which is perfect for towing or hauling heavy loads. Designed for OEM springs that sit above the axle.
Installation Notes:
No drilling through vehicle frame required for installation.
The mounting kit provides U-bolts with 4 inch leg length. If your existing factory springs have had extra leaves added, or for older Chevrolet 3/4-ton and 1-ton models with thicker factory springs, longer U-bolts may be required (not included).
Does not fit Cutaway models
Proper installation requires avoidance of air conditioning line
More Information >Vehicle Suspension Specs:
Features:
1,900-lb Capacity. Install these helper leaf springs above your vehicle's rear factory leaf springs. They reduce sway and prevent sagging, which is perfect for towing or hauling heavy loads. Designed for OEM springs that sit above the axle.
Installation Notes:
No drilling through vehicle frame required for installation.
The mounting kit provides U-bolts with 4 inch leg length. If your existing factory springs have had extra leaves added, or for older Chevrolet 3/4-ton and 1-ton models with thicker factory springs, longer U-bolts may be required (not included).
Does not fit Cutaway models
More Information >Vehicle Suspension Specs:
Features:
900-lb Capacity. Upgrade your vehicle's front suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.
Installation Notes:
No drilling through vehicle frame required for installation.
Tech Tip:
Product will also work on 1500 models with All Wheel Drive.
More Information >Vehicle Suspension Specs:
Features:
900-lb Capacity. Upgrade your vehicle's front suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.
Installation Notes:
No drilling through vehicle frame required for installation.
More Information >Vehicle Suspension Specs:
Features:
900-lb Capacity. Upgrade your vehicle's front suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.
Installation Notes:
No drilling through vehicle frame required for installation.
More Information >Vehicle Suspension Specs:
Features:
900-lb Capacity. Upgrade your vehicle's front suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.
Installation Notes:
No drilling through vehicle frame required for installation.
More Information >Vehicle Suspension Specs:
Features:
2,000-lb Capacity. Convert your vehicle's leaf springs into a mechanically active suspension system. RAS adjusts to your load to level your ride. The system also increases stability, handling, and control by improving traction and reducing sway.
Installation Notes:
No drilling through vehicle frame required for installation.
Tech Tip:
Product intended for Cargo Vans only.
More Information >Vehicle Suspension Specs:
Features:
2,000-lb Capacity. Convert your vehicle's leaf springs into a mechanically active suspension system. RAS adjusts to your load to level your ride. The system also increases stability, handling, and control by improving traction and reducing sway.
Installation Notes:
No drilling through vehicle frame required for installation.
Tech Tip:
Product intended for Cargo Vans only.
More Information >Vehicle Suspension Specs:
Features:
2,000-lb Capacity. Convert your vehicle's leaf springs into a mechanically active suspension system. RAS adjusts to your load to level your ride. The system also increases stability, handling, and control by improving traction and reducing sway.
Installation Notes:
No drilling through vehicle frame required for installation.
Tech Tip:
Product intended for Cargo Vans only.
More Information >Vehicle Suspension Specs:
Features:
2,300-lb Capacity. Upgrade your rear suspension by installing these helper leaf springs above your vehicle's factory leaf springs. They significantly reduce sway and prevent sagging, which is perfect for towing or hauling heavy loads.
Installation Notes:
No drilling through vehicle frame required for installation.
Designed for use on Cutaway models only
Check vertical clearance above spring pack before purchase. Product only fits vehicles with floor pan that is higher than top of frame
More Information >Vehicle Suspension Specs:
Features:
2,800-lb Capacity. Upgrade your vehicle's rear suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.
Installation Notes:
No drilling through vehicle frame required for installation.
SumoSprings jounce will replace the factory bumpstop for this application
Tech Tip:
Product intended for vehicles used for commercial applications only.
More Information >Vehicle Suspension Specs:
Features:
2,800-lb Capacity. Upgrade your vehicle's rear suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.
Installation Notes:
No drilling through vehicle frame required for installation.
SumoSprings jounce will replace the factory bumpstop for this application
Tech Tip:
Product intended for vehicles used for commercial applications only.
More Information >Vehicle Suspension Specs:
Features:
1,000-lb Capacity. Upgrade your vehicle's rear suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.
Installation Notes:
No drilling through vehicle frame required for installation.
SumoSprings jounce will replace the factory bumpstop for this application
More Information >Vehicle Suspension Specs:
Features:
1,000-lb Capacity. Upgrade your vehicle's rear suspension with these maintenance-free helper springs. Sturdy microcellular urethane springs cushion bumps and help support a heavy load to level your ride and minimize sway. No-drill installation.
Installation Notes:
No drilling through vehicle frame required for installation.
SumoSprings jounce will replace the factory bumpstop for this application
More Information >Vehicle Suspension Specs:
Features:
1,500-lb Capacity. Install these helper leaf springs above your vehicle's rear factory leaf springs. They reduce sway and prevent sagging, which is perfect for towing or hauling heavy loads. Designed for OEM springs that sit above the axle.
Installation Notes:
No drilling through vehicle frame required for installation.
The mounting kit provides U-bolts with 4 inch leg length. If your existing factory springs have had extra leaves added, or for older Chevrolet 3/4-ton and 1-ton models with thicker factory springs, longer U-bolts may be required (not included).
Proper installation requires avoidance of air conditioning line
More Information >Vehicle Suspension Specs:
Features:
1,500-lb Capacity. Install these helper leaf springs above your vehicle's rear factory leaf springs. They reduce sway and prevent sagging, which is perfect for towing or hauling heavy loads. Designed for OEM springs that sit above the axle.
Installation Notes:
No drilling through vehicle frame required for installation.
The mounting kit provides U-bolts with 4 inch leg length. If your existing factory springs have had extra leaves added, or for older Chevrolet 3/4-ton and 1-ton models with thicker factory springs, longer U-bolts may be required (not included).
Proper installation requires avoidance of air conditioning line
More Information >Vehicle Suspension Specs:
Features:
4,070-lb Capacity. Upgrade your vehicle's front suspension with SuperCoils. They replace your factory coil springs to improve your suspension and reduce sag. Great for snowplows and trucks with beefy bumpers. Increases ride height by 1-3/4".
Installation Notes:
No drilling through vehicle frame required for installation.
Designed for vehicles with Diesel Engine only
Product will add approximately 1.75" of lift to suspension
More Information >Vehicle Suspension Specs:
Features:
4,070-lb Capacity. Upgrade your vehicle's front suspension with SuperCoils. They replace your factory coil springs to improve your suspension and reduce sag. Great for snowplows and trucks with beefy bumpers. Increases ride height by 1-3/4".
Installation Notes:
No drilling through vehicle frame required for installation.
Designed for vehicles with Diesel Engine only
Product will add approximately 1.75" of lift to suspension
More Information >Vehicle Suspension Specs:
Features:
4,070-lb Capacity. Upgrade your vehicle's front suspension with SuperCoils. They replace your factory coil springs to improve your suspension and reduce sag. Great for snowplows and trucks with beefy bumpers. Increases ride height by 1-3/4".
Installation Notes:
No drilling through vehicle frame required for installation.
Designed for vehicles with Diesel Engine only
Product will add approximately 1.75" of lift to suspension
More Information >Vehicle Suspension Specs:
Features:
4,070-lb Capacity. Upgrade your vehicle's front suspension with SuperCoils. They replace your factory coil springs to improve your suspension and reduce sag. Great for snowplows and trucks with beefy bumpers. Increases ride height by 1-3/4".
Installation Notes:
No drilling through vehicle frame required for installation.
Designed for vehicles with Diesel Engine only
Product will add approximately 1.75" of lift to suspension
More Information >Vehicle Suspension Specs:
Features:
1,800-lb Capacity. Upgrade your rear suspension by installing these helper leaf springs above your vehicle's factory leaf springs. They significantly reduce sway and prevent sagging, which is perfect for towing or hauling heavy loads.
Installation Notes:
No drilling through vehicle frame required for installation.
Designed for use on Cutaway models only
Check vertical clearance above spring pack before purchase. Product only fits vehicles with floor pan that is higher than top of frame
More Information >Vehicle Suspension Specs:
Features:
2,000-lb Capacity. Convert your vehicle's leaf springs into a mechanically active suspension system. RAS adjusts to your load to level your ride. The system also increases stability, handling, and control by improving traction and reducing sway.
Installation Notes:
No drilling through vehicle frame required for installation.
Tech Tip:
Product intended for Passenger Vans only.
More Information >Vehicle Suspension Specs:
Features:
2,000-lb Capacity. Convert your vehicle's leaf springs into a mechanically active suspension system. RAS adjusts to your load to level your ride. The system also increases stability, handling, and control by improving traction and reducing sway.
Installation Notes:
No drilling through vehicle frame required for installation.
Tech Tip:
Product intended for Passenger Vans only.
More Information >Vehicle Suspension Specs:
Features:
2,000-lb Capacity. Convert your vehicle's leaf springs into a mechanically active suspension system. RAS adjusts to your load to level your ride. The system also increases stability, handling, and control by improving traction and reducing sway.
Installation Notes:
No drilling through vehicle frame required for installation.
Tech Tip:
Product intended for Passenger Vans only.
More Information >
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