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Suspension Rubber Helper Spring Kit-XL FR350SDJ fits 17-18 Ford F-350 Super Duty - Picture 1 of 4

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Suspension Rubber Helper Spring Kit-XL FR350SDJ fits 17-18 Ford F-350 Super Duty

5.07 product ratings

we_sparktec (9929)

99.9% positive feedback

Price:

$398.07

Free 2-4 day delivery

Get it between Sat, Nov 15 and Tue, Nov 18

Returns:

30 days returns. Seller pays for return shipping.

Condition:

New

Suspension Rubber Helper Spring Kit. The engine types may include 6.2 L 6210CC 379Cu. V8 FLEX SOHC Naturally Aspirated,6.7L 6651CC 406Cu. V8 G AS OHV Naturally Aspirated,7.3L 7292CC 445Cu. V8 GAS OHV Naturally Aspirated.

Ratings and Reviews

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5.0

7 product ratings

7 users rated this 5 out of 5 stars
0 users rated this 4 out of 5 stars
0 users rated this 3 out of 5 stars
0 users rated this 2 out of 5 stars
0 users rated this 1 out of 5 stars

Would recommend

Good value

Good quality

Most relevant reviews

by longranger55
Aug 30, 2024
This suspension upgrade is certainly a g...
This suspension upgrade is certainly a good thing for our Ford F-350. Makes the factory bump stop look weak. Recommend this on any Super Duty truck.
Verified purchase: YesCondition: New
by rcshome165
Jun 21, 2025
These actually work unbelievably well. B...
These actually work unbelievably well. Better than air bags in my opinion
Verified purchase: YesCondition: New
by kingcobra3525
Dec 20, 2021
Dampen squat system
seen online best system to stop squatting
Verified purchase: YesCondition: New
by davidanaya1910
Apr 27, 2021
A load off!
These really helped with the load of my RV
Verified purchase: YesCondition: Pre-owned
by bounceman2011
May 04, 2017
Suspension
Easy to install and work perfect.
Verified purchase: YesCondition: New