Timbren -Applications for GMC Conventional Tractors and Trucks
Timbren SES Kits for GMC Trucks and Tractors are ideal to provide more load support and stability to your vehicle. The Timbren helper springs provide a better ride and eliminate body roll. They are ideal for vehicles that tow or carry heavy loads. They are easy to install, maintenance free, and guaranteed for the life of the vehicle. We offer low discounted prices, fast shipping, and free shipping with the 48 continental United States.
| Year | Front | Front | Rear | Rear | ||
| MEDIUM & HEAVY DUTY CONVENTIONAL | Regular | Heavy Duty | Regular | Heavy Duty | ||
| 4500HD, 5500HD, 6500HD, 7500HD | 2019-20 | TBA | TBA | TBA | TBA | |
| 4500, 5500, 6500, 7500 | excluding 4 wheel drive | 2003-09 | GMFTK | — | GMRC55 | GMRTKM |
| 4500, 5500, 6500, 7500 | 4 wheel drive | 2005-09 | GMF55AWD | — | GMRC55 | GMRTKM |
| 6500 | LoPro | 2003-09 | GMFTKLP | — | GMRC55 | GMRTKM |
| TOPKICK & KODIAK C60, C70, C6000, C7000 | except LoPro | 1991-02 | GMFTK | — | GMRC55 | GMRTKM |
| TOPKICK & KODIAK C60, C70, C6000, C7000 | LoPro | 1991-02 | GMFTKLP | — | GMRC55 | GMRTKM |
| C50, C60, C70, C6000, C7000 | 1973-90 | GMFC70 | — | GMRC70 | — | |
| MEDIUM & HEAVY DUTY CAB FORWARD | ||||||
| W35, W3500 | 1998-09 | GMFW4C | — | GMRW35 | GMRW55 | |
| W4/4000/4500, W5,5000,5500 | 1988-09 | GMFW4C | — | GMRW4A | GMRW55 | |
| W7, 7000 | 1988-96 | GMFW7 | — | RESOS1 | URMDB | |
| T5500, T6500, T7500, T8500 | 1997-09 | GMFTK | — | GMRC55 | GMRTKM | |