Helper Springs for 1991 Ford F-350

Listed below are the Helper Springs that are designed to work with the 1991 Ford F-350. Please review the vehicle options and installation notes, to ensure you select the correct product for your Ford F-350. Need assistance selecting the right Hellwig, Supersprings, or Timbren product? We're here to help - please call us at 1-800-358-4751.

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SKU FRTT350F

$477.68

$398.07

Timbren SES Bump Stop | Rear | 8,000 lbs. Capacity

Timbren kit FRTT350F fits rear applications for the 2WD/4WD Ford F-250 and F-350. Details

4 In Stock

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
1991	Ford	F-350	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Designed for use in severe service (heavy duty) applications, ie. Tow Truck, Car Carrier, Slide-in Camper, Dump Truck, and vehicles with aerial devices such as Utility Trucks.

Works on the Following Vehicles

1991 Ford F-350
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: Designed for use in severe service (heavy duty) applications, ie. Tow Truck, Car Carrier, Slide-in Camper, Dump Truck, and vehicles with aerial devices such as Utility Trucks.

Capacity:8,000 lbs.
Location: Fits Rear Axle
Instructions:Timbren FRTT350F Installation Instructions.
UPC: 809933001302
MPN: FRTT350F

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SKU HW2520-25300

$666.39

$461.31

Hellwig Load Pro 25 Helper Spring | Rear Axle | 2500 lbs. Capacity

The Hellwig 2520 Load Pro 25 kit is designed to give your truck up to 2500 pounds of load leveling c... Details

Typically ships in 6-8 weeks.

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
1991	Ford	F-350	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Must remove factory overload springs. Fits models with 3 inch wide leaf springs.

Works on the Following Vehicles

1991 Ford F-350
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: Must remove factory overload springs. Fits models with 3 inch wide leaf springs.

Location: Fits Rear Axle
Capacity:2,500 lbs.
Instructions: Hellwig 2520-25300 Helper Springs Instructions.
Note:Includes Mounting Kit 25300
Manufacturers Part Number:2520-25300
MPN: 2520-25300

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SKU FR350SDF

$477.68

$398.07

Timbren SES Bump Stop | Rear | 8,600 lbs. Capacity

Timbren kit FR350SDF fits rear applications for the 2WD/4WD Ford F-350. Details

1 In Stock

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
1991	Ford	F-350	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Fits Cab & Chassis models.

Works on the Following Vehicles

1991 Ford F-350
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: Fits Cab & Chassis models.

Capacity:8,600 lbs.
Location: Fits Rear Axle
Instructions:Timbren FR350SDF Installation Instructions.
UPC: 809933001036
MPN: FR350SDF

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SKU FRTT350E

$477.68

$398.07

Timbren SES Bump Stop | Rear | 10,000 lbs. Capacity

Timbren kit FRTT350E fits rear applications for the 2WD/4WD Ford F-250 and F-350. Details

1 In Stock

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
1991	Ford	F-350	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Designed for use in severe service (heavy duty) applications, ie. Tow Truck, Car Carrier, Slide-in Camper, Dump Truck, and vehicles with aerial devices such as Utility Trucks.

Works on the Following Vehicles

1991 Ford F-350
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: Designed for use in severe service (heavy duty) applications, ie. Tow Truck, Car Carrier, Slide-in Camper, Dump Truck, and vehicles with aerial devices such as Utility Trucks.

Capacity:10,000 lbs.
Location: Fits Rear Axle
Instructions:Timbren FRTT350E Installation Instructions.
UPC: 809933001296
MPN: FRTT350E

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SKU HW3520-25300

$838.55

$593.74

Hellwig Load Pro 35 Helper Spring | Rear Axle | 3500 lbs. Capacity

The Hellwig 3520 Load Pro 35 kit is designed to give your truck up to 3500 pounds of load levleing c... Details

1 In Stock

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
1991	Ford	F-350	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Must remove factory overload springs. Fits models with 3 inch wide leaf springs.

Works on the Following Vehicles

1991 Ford F-350
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: Must remove factory overload springs. Fits models with 3 inch wide leaf springs.

Location: Fits Rear Axle
Capacity:3,500 lbs.
Instructions: Hellwig 3520-25300 Helper Springs Instructions.
Note:Includes Mounting Kit 25300
Manufacturers Part Number:3520-25300
MPN: 3520-25300

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SKU HW9703

$422.50

$325.00

Hellwig Big Wig Overload Assist Rear Spring | Rear Axle

Hellwig Big Wig rear assist overload springs are designed to increase the trucks level load carrying... Details

1 In Stock

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
1991	Ford	F-350		Fits Super Duty applications with Contact Overload Springs.

Works on the Following Vehicles

1991 Ford F-350
- Installation Notes: Fits Super Duty applications with Contact Overload Springs.

Location: Fits Rear Axle
Instructions: Hellwig 9703 Helper Springs Instructions.
Manufacturers Part Number:9703
UPC: 745662097035
MPN: 9703

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SKU SSA13

$877.49

$674.99

Helper Spring Kit | SuperSprings | Rear Axle | 3000 lbs. Capacity

SuperSprings Helper Spring Kit SSA13 for the Ford F-250, F-350, GMC Savana and Chevy Express 3500 im... Details

1 In Stock

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
1991	Ford	F-350	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Do not use on trucks equipped with a top overload spring.

Works on the Following Vehicles

1991 Ford F-350
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: Do not use on trucks equipped with a top overload spring.

Location: Fits Rear Axle
Capacity:3,000 lbs.
Height:0.976 inches
Width:3.00 inches
Length:49.00 inches
Instructions:SuperSprings SSA13 Installation Instructions.
MPN: SSA13

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SKU FF2504

$323.23

$269.36

Timbren SES Bump Stop | Front | 3,000 lbs. Capacity

Timbren kit FF2504 fits front applications for the 4WD Ford F-250 and F-350. Details

Typically ships in 1 business day.

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
1991	Ford	F-350	Fits 4 Wheel Drive	Includes Cab & Chassis Models.

Works on the Following Vehicles

1991 Ford F-350
- Vehicle Option: Fits 4 Wheel Drive
- Installation Notes: Includes Cab & Chassis Models.

Capacity:3,000 lbs.
Location: Fits Front Axle
Instructions:Timbren FF2504 Installation Instructions.
UPC: 809933000671
MPN: FF2504

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SKU FF350

$323.23

$269.36

Timbren SES Bump Stop | Front | 3,000 lbs. Capacity

Timbren kit The FF350 fits front applications for the 2WD Ford F-150, F-250 and F-350. Details

Typically ships in 1 business day.

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
1991	Ford	F-350	Fits 2 Wheel Drive	Includes Cab & Chassis Models.

Works on the Following Vehicles

1991 Ford F-350
- Vehicle Option: Fits 2 Wheel Drive
- Installation Notes: Includes Cab & Chassis Models.

Capacity:3,000 lbs.
Location: Fits Front Axle
Instructions:Timbren FF350 Installation Instructions.
UPC: 809933000695
MPN: FF350

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SKU FR350SDE

$477.68

$398.07

Timbren SES Bump Stop | Rear | 8,600 lbs. Capacity

Timbren kit FR350SDE fits rear applications for the 2WD/4WD Ford F-350. Details

Typically ships in 1 business day.

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
1991	Ford	F-350	Fits 2 Wheel Drive; Fits 4 Wheel Drive

Works on the Following Vehicles

1991 Ford F-350
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive

Capacity:8,600 lbs.
Location: Fits Rear Axle
Instructions:Timbren FR350SDE Installation Instructions.
UPC: 809933001029
MPN: FR350SDE

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SKU HW2520-25250

$666.39

$465.79

Hellwig Load Pro 25 Helper Spring | Rear Axle | 2500 lbs. Capacity

The Hellwig 2520 Load Pro 25 kit is designed to give your truck up to 2500 pounds of load leveling c... Details

Typically ships in 6-8 weeks.

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
1991	Ford	F-350	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Must remove factory overload springs. Fits models with 2-1/2 inch wide leaf springs.

Works on the Following Vehicles

1991 Ford F-350
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: Must remove factory overload springs. Fits models with 2-1/2 inch wide leaf springs.

Location: Fits Rear Axle
Capacity:2,500 lbs.
Instructions: Hellwig 2520-25250 Helper Springs Instructions.
Note:Includes Mounting Kit 25250
Manufacturers Part Number:2520-25250
MPN: 2520-25250

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SKU HW3520-25250

$838.55

$598.22

Hellwig Load Pro 35 Helper Spring | Rear Axle | 3500 lbs. Capacity

The Hellwig 3520 Load Pro 35 kit is designed to give your truck up to 3500 pounds of load levleing c... Details

1 In Stock

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
1991	Ford	F-350	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Must remove factory overload springs. Fits models with 2-1/2 inch wide leaf springs.

Works on the Following Vehicles

1991 Ford F-350
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: Must remove factory overload springs. Fits models with 2-1/2 inch wide leaf springs.

Location: Fits Rear Axle
Capacity:3,500 lbs.
Instructions: Hellwig 3520-25250 Helper Springs Instructions.
Note:Includes Mounting Kit 25250.
Manufacturers Part Number:3520-25250
MPN: 3520-25250

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SKU HW61903

$602.08

$458.04

Hellwig Pro Series Helper Spring | Rear Axle | 2500 lbs. Capacity

Hellwig 61903 Pro Series Steel Helper Springs with SilentRide includes 2 steel helper springs, 2 pol... Details

Typically ships in 6-8 weeks.

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
1991	Ford	F-350	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Must remove factory overload contact springs - removal of contact overload springs may require U-bolt and center bolt replacement

Works on the Following Vehicles

1991 Ford F-350
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: Must remove factory overload contact springs - removal of contact overload springs may require U-bolt and center bolt replacement

Location: Fits Rear Axle
Capacity:2,500 lbs.
Instructions:Hellwig 61903 Helper Springs Instructions.
Manufacturers Part Number:61903
UPC: 745662619039
MPN: 61903

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SKU SSA16

$695.49

$534.99

Helper Spring Kit | SuperSprings | Rear Axle | 1650 lbs. Capacity

SuperSprings Helper Spring Kit SSA16 for the Ford F-250, F-350 and Chevy Express 3500, GMC Savana 35... Details

Typically ships in 1 business day.

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
1991	Ford	F-350	Fits 2 Wheel Drive; Fits 4 Wheel Drive	Do not use on trucks equipped with a top overload spring.

Works on the Following Vehicles

1991 Ford F-350
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: Do not use on trucks equipped with a top overload spring.

Location: Fits Rear Axle
Capacity:1,650 lbs.
Height:0.500 inches
Width:3.00 inches
Length:47.00 inches
Instructions:SuperSprings SSA16 Installation Instructions.
MPN: SSA16

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SKU SSA22

$805.99

$619.99

Helper Spring Kit | SuperSprings | Rear Axle | 2250 lbs. Capacity

SuperSprings Helper Spring Kit SSA22 for the Ford F-250, F-350, E-350, GMC C3500 , W3500, W4500, W55... Details

1 In Stock

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
1991	Ford	F-350	Fits 2 Wheel Drive; Fits 4 Wheel Drive	May be used on trucks equipped with top overload spring.

Works on the Following Vehicles

1991 Ford F-350
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: May be used on trucks equipped with top overload spring.

Location: Fits Rear Axle
Capacity:2,200 lbs.
Height:0.560 inches
Width:3.00 inches
Length:43.00 inches
Instructions:SuperSprings SSA22 Installation Instructions.
Note:Includes all mounting hardware.
MPN: SSA22

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SKU SSA40

$695.49

$534.99

Helper Spring Kit | SuperSprings | Rear Axle | 1500 lbs. Capacity

SuperSprings Helper Spring Kit SSA40 for the GM C/K3500, Dodge Ram 2500, 3500, Ford E-350, E-450, F-... Details

Typically ships in 1 business day.

Vehicle Fit
Specifications

Year	Make	Model	Vehicle Option	Installation Notes
1991	Ford	F-350	Fits 2 Wheel Drive; Fits 4 Wheel Drive	May be used on trucks equipped with top overload spring.

Works on the Following Vehicles

1991 Ford F-350
- Vehicle Option: Fits 2 Wheel Drive; Fits 4 Wheel Drive
- Installation Notes: May be used on trucks equipped with top overload spring.

Location: Fits Rear Axle
Capacity:1,500 lbs.
Height:0.400 inches
Width:3.00 inches
Length:43.00 inches
Instructions:SuperSprings SSA40 Installation Instructions.
Note:Includes all mounting hardware.
MPN: SSA40

Helper Springs Reviews

Out of 340 reviews, the average customer rating for Helper Springs: 4.7 out of 5.

sumosprings suspension kit for the ford f53 motor home - maxim, rear ssr-187-54-1 reviewer

Helper Springs - SuperSprings SSR-187-54-1 Rating: 4 Stars

So good so far but?

I have had these on my RV right around two years now and they definitely smoothed out and quieted the ride and also they help stabilize the rig in corners but I'm a little concerned how the yellow polyurethane foam has turned to a brownish color, is this a sine of the foam breaking down and d...

Read the Review

Helper Springs - Timbren FR1504E Rating: 5 Stars

Best upgrade yet!!!!

This is the best thing I have ever put on my truck! This product does much more than it describes in the description! First, the squat is almost completly eliminated. I tow a 7800lb travel trailer and it used to squat with the weight distribution hitch about 6 inches. Now it is about an 1 1/2 in...

Read the Review

Helper Springs - Timbren TORTUN4L Rating: 5 Stars

Huge Different Ride With Timber Ses

Well no more bumpy rides

Read the Review

Helper Springs - Timbren GMFK15A Rating: 5 Stars

Love This Product

Great product and made my plow truck sit up great in front end

Read the Review

hellwig ez-990 medium duty helper spring 985 reviewer

Helper Springs - Hellwig 988 Rating: 5 Stars

I Would Buy Again!

Springs fit great, work great. Only issue we had was the instructions said to reuse original Ubolts, but they were 1/2 to 3/4 inch too short. Had to scramble to find replacements for next day. No other issues. Shipping was great and fast!!

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Helper Springs - Timbren GMRTT35C Rating: 5 Stars

I WOULD PURCHASE THIS PRODUCT AGAIN.

THESE WERE USED FOR THE REAR SPRINGS OF A 2007 CHEVROLET SILVERADO CLASSIC 3500 DUMP TRUCK. THEY CAME OUT OF THE PACKAGE AND BOLTED DIRECTLY INTO PLACE.

Read the Review

Helper Springs - Timbren FF550SDE Rating: 5 Stars

Great Product And Customer Service

Great product and easy to install. Had them on the truck in 30 minutes. Needed these to haul a portable hydraulic tank. Smooth ride now. Thanks Truck Spring!!!

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hellwig ez-990 medium duty helper spring 987 reviewer

Helper Springs - Hellwig 987 Rating: 5 Stars

I Would Recommend These Guys Every Time.

These springs work great. Easy install. Great product!

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sumosprings suspension kit - rebel, rear ssr-301-40-2 reviewer

Helper Springs - SuperSprings SSR-301-40-2 Rating: 5 Stars

Easy Install Would Buy Again.

Installation was Very easy. I haven't put the fith wheel on yet to see how they handle the weight, but empty the truck handles with no difference, really happy about that.

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sumosprings suspension kit - front ssf-302-47 reviewer

Helper Springs - SuperSprings SSF-302-47 Rating: 5 Stars

Easy Easy Easy Work Great

Very easy to install I'm talking ten minutes and your done! No more sag idea for the snowplow sag

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Helper Springs - Timbren TORTUN4 Rating: 5 Stars

I Would Buy This Product Again

I haul a lot of brick in the bed of the truck where people run over mailboxes an I have to rebuild them. I love this product an was simple to put on if your haveing trouble with your truck squatting with a load behind it this is the answer way cheaper then air bags!!!!

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sumosprings suspension kit - solo, rear - heavy duty ssr-117-47 reviewer

Helper Springs - SuperSprings SSR-117-47 Rating: 5 Stars

Yes I Would.

Mount red these on my 2014 F150 with a travelite camper with shower. 1300 pound camper. Worked great. No more sagging. Truck is level in all terrain. Improved the handling considerably, on the road. Plus so easy to install only needs a few tools. Once I took the camper off. No jacks were needed, and you...

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