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Review of M-3 and Associates Trailer Ramp Springs - Single Spring Ramp Door Spring - M398FR Video

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Info for this part was:

Employee Andy C
Installed by:
Andy C

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Products Featured in this Video


Conventional Ramp Door Spring for 8' Wide Enclosed Trailer - Single Spring - 150-lb Capacity


M-3 and Associates Trailer Ramp Springs

48 reviews


Code: M398FR

Price:  $174.53
  • Trailer Ramp Springs
  • Single Ramp Spring
  • Torsion Spring
  • 150 Inch Cable
  • 121 - 150 lbs
  • Conventional Spring
  • 5 Foot Wide Trailer
  • 6 Foot Wide Trailer
  • 7 Foot Wide Trailer
  • 8 Foot Wide Trailer
  • 96 Inch Wide Spring
  • M-3 and Associates



Upgrade your trailer with this heavy-duty ramp spring. It provides smooth operation, reduces strain, and prevents freefalls. Designed for enclosed trailer doors 45-1/4"- 95-5/8" wide, this durable system ensures safe, reliable performance.


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M-3 and Associates Trailer Ramp Springs - Single Spring Ramp Door Spring - M398FR Review


Hi, everybody, Andy here with etrailer.com. Let's take a real quick look at this Conventional Single Spring Ramp Door Spring for your eight-foot-wide enclosed trailer. Now, as you know, dealing with heavy trailer doors can be a hassle, and even risk injury, but this Conventional Ramp Door Spring is gonna make it easier, with a spring capacity of 150 pounds. This is going to take the… see more >