Timbren Rear Load Booster Chevy and GMC 2WD / 4WD Models

The Timbren SES suspension upgrade fits the rear suspension of Chevrolet Silverado 1500/2500/3500 and GMC Sierra 1500/2500/3500 pickup/cab and chassis trucks. Each laser cut piece of steel is precision bent and powder-coated to ensure a quality fit. The hollow rubber springs deliver a progressive spring rate. In other words, the more weight that pushes down on the rubber springs the harder they work to prevent rear end sag. Whether you're pulling a trailer or carrying a heavy load in the bed of your truck, our hollow rubber springs adjust automatically to keep the vehicle level at all times.
This SES suspension upgrade replaces the jounce stop on the frame. Its unique design ensures superb ride quality - loaded or unloaded. (There should be a ?" to 1 ?" gap between rubber spring and axle to ensure unloaded ride quality. If the truck body is heavy, no clearance is necessary.)
Timbren recommends that severe service kits only be used with a slide-in camper, salt spreader, corner mounted crane or other aerial device. In fact, any application that requires maximum stability (reducing roll and sway) calls for a severe service upgrade.

• Eliminates vehicle squatting and sagging
• Cushion road shocks
• Improve handling
• Satisfaction guarantee
• Lifetime warranty
  
  Fits:
• Chevrolet Silverado 1500 1999-2006 4WD only
• Chevrolet Silverado 1500 HD 2001-2007 2/4WD
• Chevrolet Silverado 2500 1999-2004 2/4WD
• Chevrolet Silverado 2500 HD pickup 2001-2010 2/4WD
• Chevrolet Silverado 3500 pickup 2001-2007 2/4WD
• Chevrolet Silverado 3500 HD pickup 2007-2010 2/4WD
• Chevrolet Silverado 3500 (HD) cab chassis 2004-2010 2/4WD, single rear wheel only
• GMC Sierra 1500 1999-2006 4WD only
• GMC Sierra 1500 HD 2001-2007 2/4WD
• GMC Sierra 2500 1999-2004 2/4WD
• GMC Sierra 2500 HD pickup 2001-2010 2/4WD
• GMC Sierra 3500 pickup 2001-2007 2/4WD
• GMC Sierra 3500 HD pickup 2007-2010 2/4WD
• GMC Sierra 3500 (HD) cab chassis 2004-2010 2/4WD, single rear wheel only