FFFL80A – Front Axle SES Suspension Upgrade

FFFL80A - Front Axle SES Suspension Upgrade

This SES Suspension Upgrade can be adapted to fit the front suspension of most Freightliner & Sterling Truck heavy-duty conventional series trucks equipped with leaf springs. Each laser cut piece of steel is precision bent and powder-coated to ensure a quality fit. We’ve engineered our hollow rubber springs to deliver a progressive spring rate. In other words, the more weight that pushes down on the rubber springs the harder they work to prevent front-end sag, and help stabilize the load.

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Product Features

  • Eliminate Vehicle Squatting & Sagging
  • Cushion Road Shocks
  • Improve Handling
  • Satisfaction Guarantee
  • Lifetime Warranty

Customer Reviews


"The Timbren system is the answer for rear end sag and soft handling! My 35ft 5th wheel handles much better, and I recommend Timbren without reservation."

- Larry V. - SD

“Timbren's work amazing! Absolutely as good or even better than air bags! Did it myself and only had time to drink 2 beer doing it! Easy install. Thanks for the advice. Simple yet very effective.”

Jonny K - NB

Fitment Checklist


Freightliner FL60
1998-2008
All Models
Freightliner FL70
1998-2008
All Models
Freightliner FL-70
1998-2006
All Models
Freightliner FL-80
1998-2008
All Models
Sterling Truck L-Line
2003-2005
All Models
Sterling Truck SC7000
1999-2006
All Models
Sterling Truck SC8000
1999-2006
All Models

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