Comparing Firestone Work-Rite and Timbren Suspension Enhancement Springs for 2014 GMC Sierra 1500  

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I use the Timbren suspension enhancement springs on my truck and I love them. After testing the Timbren springs with the Firestone Work-Rite springs, we found that the Timbrens have a slight edge when it comes to reducing sag, but the Work-Rite springs provide a more comfortable ride when you are not towing or carrying a heavy load. When my truck bed is empty, I can feel the Timbren springs from time to time over bumps or uneven roads. Both springs serve the same purpose and would be excellent products, especially if your truck sags. The Work-Rite springs that will fit your truck are part # F8605, and the Timbren springs that will fit your truck are part # TGMRCK15S as long as it is not the XFE model. At this time we do not have springs that will fit the XFE models.

If you only need the springs when towing your trailer, your best option would be to use a weight distribution system instead the springs. A weight distribution system will reduce sag by distributing the tongue weight of the trailer to all axles of the tow vehicle and the trailer and reducing the stress on the rear axle. I have attached a help article on weight distribution for you to check out.

If you are interested in a weight distribution system recommendation, let me know. To recommend the correct system for your trailer, I would just need the loaded and ready to tow tongue weight of your trailer and the weight of any cargo loaded in your truck bed behind the rear axle. If you can also send me a picture or more information about your trailer tongue, such as the coupler style, frame type (c-channel, box frame, I-beam, and items that may be mounted on the tongue such as propane tanks, I would be happy to give you more specific information regarding fit and installation.

expert reply by: John H

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