Leaf Springs & Suspension Authority Since 1965!

Medium / Heavy Duty Conventional Cab

Fast Shipping on All Timbren Kits

ApplicationYear
Front
Rear
Regular
Heavy Duty
Regular
Heavy Duty
4500, 5500, 6500, 7500 excl. all wheel drive 2003-09 GMFTK GMRC55 GMRTKM
4500, 5500, 6500, 7500 all 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 only 1991-02 GMFTKLP GMRC55 GMRTKM
C50, C60, C70, C6000, C7000 1973-90 GMFC70 GMRC70

Fast Shipping on All Timbren Kits

ApplicationYear
Front
Rear
Regular
Heavy Duty
Regular
Heavy Duty
4500, 5500, 6500, 7500 excl. all wheel drive 2003-09 GMFTK GMRC55 GMRTKM
4500, 5500, 6500, 7500 all 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 only 1991-02 GMFTKLP GMRC55 GMRTKM
C50, C60, C70, C6000, C7000 1973-90 GMFC70 GMRC70