Air Lift SlamAir Air Helper Spring Kit ALF59209 for Lowered Chevrolet Silverado 1500 and GMC Sierra 1500

Restore load carrying capacity and eliminate bottoming out by adding SlamAir air helper springs to your lowered vehicle. SlamAir kits supplement a lowered truck's leaf springs to provide adjustable spring rate for ride comfort, safety and variable loads. Easy to install between your existing springs and the vehicle frame, they are made with rugged, durable components for long, reliable service. Air Lift SlamAir kits fit most lowered trucks with a 2 -- 6 inch drop, including trucks with flipped axles and notched frames. SlamAir air helper springs are air adjustable from 5 to 100 PSI and come with quick connecting, easy-to-use air fittings. They also come standard with a limited lifetime warranty and an exclusive 60 day ride satisfaction guarantee. SlamAir fits most lowered trucks with a 2, 4, or 6 inch drop, including trucks with flipped axles or notched frames. Chevrolet: Silverado 1500 99 - 17, GMC: Sierra 1500 99 - 16

• Supplement lowered truck leaf springs to give adjustable spring rate for comfort and safety
• Add Load Support For Trucks That Have Been Dropped With Lowering Kits
• Easy to install with fully-illustrated installation manual
• Easy To Install With Fully Illustrated Installation Manual
• Exclusive Installation Alignment Tool Included
• Supplement Lowered Truck Leaf Springs
• Air adjustable from 5 to 100 PSI
• Detailed Instructions Included
• Limited Lifetime Warranty
• Does not fit long bed

Restore load-carrying capacity and help reduce bottoming out with the Air Lift SlamAir air helper spring kit, part number ALF59209. Designed for lowered trucks, this kit supplements the factory leaf springs with an adjustable spring rate that helps improve ride comfort, handling, and load support. SlamAir is engineered for vehicles lowered approximately 2 to 6 inches, including applications with flipped axles or notched frames.

The air springs are adjustable from 5 to 100 PSI, allowing the suspension to be tuned for varying loads and driving conditions. Rugged components are designed for long-term service, while quick-connect air fittings simplify installation and adjustment. The kit installs between the existing leaf springs and vehicle frame and includes an exclusive installation alignment tool along with a fully illustrated installation manual. Air Lift backs the product with a limited lifetime warranty and an exclusive 60-day ride satisfaction guarantee.

Fitment includes select 1999–2017 Chevrolet Silverado 1500 and 1999–2016 GMC Sierra 1500 models. This application does not fit long-bed configurations. Verify vehicle configuration, suspension modifications, and year-specific fitment before ordering. The Air Lift SlamAir ALF59209 provides a practical way to add adjustable load support to a lowered truck without replacing the existing leaf spring system.

Key Product Specifications & Technical Data

• Brand: Air Lift
• Part Number: ALF59209
• Product Type: Air helper spring kit
• Series: SlamAir
• Adjustable Air Pressure: 5–100 PSI
• Intended Vehicle Drop: Approximately 2–6 inches
• Warranty: Limited lifetime warranty
• Application Restriction: Does not fit long-bed models

What's Included in the Box

• SlamAir air helper springs
• Quick-connect air fittings
• Installation alignment tool
• Fully illustrated installation instructions

Features:

• Adjustable Load Support: Supplements lowered truck leaf springs to improve load-carrying capacity and help reduce suspension bottoming.
• Variable Spring Rate: Air pressure adjustment from 5 to 100 PSI helps tailor ride comfort, handling, and support for changing loads.
• Lowered Truck Compatibility: Designed for many trucks with approximately 2-, 4-, or 6-inch drops, including vehicles with flipped axles or notched frames.
• Straightforward Installation: Installs between the existing leaf springs and vehicle frame and includes quick-connect fittings, an alignment tool, and detailed instructions.

Fitments:
1999 Chevrolet Silverado 1500 Base
1999 Chevrolet Silverado 1500 LS
1999 Chevrolet Silverado 1500 LT
1999 GMC Sierra 1500 SL
1999 GMC Sierra 1500 SLE
1999 GMC Sierra 1500 SLT
2000 Chevrolet Silverado 1500 Base
2000 Chevrolet Silverado 1500 LS
2000 Chevrolet Silverado 1500 LT
2000 GMC Sierra 1500 SL
2000 GMC Sierra 1500 SLE
2000 GMC Sierra 1500 SLT
2001 Chevrolet Silverado 1500 Base
2001 Chevrolet Silverado 1500 LS
2001 Chevrolet Silverado 1500 LT
2001 GMC Sierra 1500 SL
2001 GMC Sierra 1500 SLE
2001 GMC Sierra 1500 SLT
2002 Chevrolet Silverado 1500 Base
2002 Chevrolet Silverado 1500 LS
2002 Chevrolet Silverado 1500 LT
2002 Chevrolet Silverado 1500 WT
2002 GMC Sierra 1500 Base
2002 GMC Sierra 1500 HT
2002 GMC Sierra 1500 SL
2002 GMC Sierra 1500 SLE
2002 GMC Sierra 1500 SLT
2002 GMC Sierra 1500 WT
2003 Chevrolet Silverado 1500 Base
2003 Chevrolet Silverado 1500 LS
2003 Chevrolet Silverado 1500 LT
2003 Chevrolet Silverado 1500 WT
2003 GMC Sierra 1500 Base
2003 GMC Sierra 1500 SL
2003 GMC Sierra 1500 SLE
2003 GMC Sierra 1500 SLT
2003 GMC Sierra 1500 WT
2004 Chevrolet Silverado 1500 Base
2004 Chevrolet Silverado 1500 Hybrid
2004 Chevrolet Silverado 1500 LS
2004 Chevrolet Silverado 1500 LT
2004 Chevrolet Silverado 1500 WT
2004 GMC Sierra 1500 Base
2004 GMC Sierra 1500 SLE
2004 GMC Sierra 1500 SLT
2004 GMC Sierra 1500 WT
2005 Chevrolet Silverado 1500 Base
2005 Chevrolet Silverado 1500 Hybrid
2005 Chevrolet Silverado 1500 LS
2005 Chevrolet Silverado 1500 LT
2005 Chevrolet Silverado 1500 SS
2005 Chevrolet Silverado 1500 WT
2005 GMC Sierra 1500 Base
2005 GMC Sierra 1500 Hybrid
2005 GMC Sierra 1500 SLE
2005 GMC Sierra 1500 SLT
2005 GMC Sierra 1500 WT
2006 Chevrolet Silverado 1500 Hybrid
2006 Chevrolet Silverado 1500 LS
2006 Chevrolet Silverado 1500 LT
2006 Chevrolet Silverado 1500 SS
2006 Chevrolet Silverado 1500 WT
2006 GMC Sierra 1500 Hybrid
2006 GMC Sierra 1500 SL
2006 GMC Sierra 1500 SLE
2006 GMC Sierra 1500 SLT
2006 GMC Sierra 1500 WT
2007 Chevrolet Silverado 1500 LS
2007 Chevrolet Silverado 1500 LT
2007 Chevrolet Silverado 1500 LTZ
2007 Chevrolet Silverado 1500 WT
2007 GMC Sierra 1500 Denali
2007 GMC Sierra 1500 SL
2007 GMC Sierra 1500 SLE
2007 GMC Sierra 1500 SLT
2007 GMC Sierra 1500 WT
2008 Chevrolet Silverado 1500 LS
2008 Chevrolet Silverado 1500 LT
2008 Chevrolet Silverado 1500 LTZ
2008 Chevrolet Silverado 1500 WT
2008 GMC Sierra 1500 Denali
2008 GMC Sierra 1500 SL
2008 GMC Sierra 1500 SLE
2008 GMC Sierra 1500 SLT
2008 GMC Sierra 1500 WT
2009 Chevrolet Silverado 1500 Hybrid
2009 Chevrolet Silverado 1500 LS
2009 Chevrolet Silverado 1500 LT
2009 Chevrolet Silverado 1500 LTZ
2009 Chevrolet Silverado 1500 WT
2009 GMC Sierra 1500 Denali
2009 GMC Sierra 1500 Hybrid
2009 GMC Sierra 1500 SL
2009 GMC Sierra 1500 SLE
2009 GMC Sierra 1500 SLT
2009 GMC Sierra 1500 WT
2010 Chevrolet Silverado 1500 Hybrid
2010 Chevrolet Silverado 1500 LS
2010 Chevrolet Silverado 1500 LT
2010 Chevrolet Silverado 1500 LTZ
2010 Chevrolet Silverado 1500 WT
2010 Chevrolet Silverado 1500 XFE
2010 GMC Sierra 1500 Denali
2010 GMC Sierra 1500 Hybrid
2010 GMC Sierra 1500 SL
2010 GMC Sierra 1500 SLE
2010 GMC Sierra 1500 SLT
2010 GMC Sierra 1500 WT
2010 GMC Sierra 1500 XFE
2011 Chevrolet Silverado 1500 Hybrid
2011 Chevrolet Silverado 1500 LS
2011 Chevrolet Silverado 1500 LT
2011 Chevrolet Silverado 1500 LTZ
2011 Chevrolet Silverado 1500 WT
2011 Chevrolet Silverado 1500 XFE
2011 GMC Sierra 1500 Denali
2011 GMC Sierra 1500 Hybrid
2011 GMC Sierra 1500 SL
2011 GMC Sierra 1500 SLE
2011 GMC Sierra 1500 SLT
2011 GMC Sierra 1500 WT
2011 GMC Sierra 1500 XFE
2012 Chevrolet Silverado 1500 Hybrid
2012 Chevrolet Silverado 1500 LS
2012 Chevrolet Silverado 1500 LT
2012 Chevrolet Silverado 1500 LTZ
2012 Chevrolet Silverado 1500 WT
2012 Chevrolet Silverado 1500 XFE
2012 GMC Sierra 1500 Denali
2012 GMC Sierra 1500 Hybrid
2012 GMC Sierra 1500 SL
2012 GMC Sierra 1500 SLE
2012 GMC Sierra 1500 SLT
2012 GMC Sierra 1500 WT
2012 GMC Sierra 1500 XFE
2013 Chevrolet Silverado 1500 Hybrid
2013 Chevrolet Silverado 1500 LS
2013 Chevrolet Silverado 1500 LT
2013 Chevrolet Silverado 1500 LTZ
2013 Chevrolet Silverado 1500 WT
2013 Chevrolet Silverado 1500 XFE
2013 GMC Sierra 1500 Denali
2013 GMC Sierra 1500 Hybrid
2013 GMC Sierra 1500 SL
2013 GMC Sierra 1500 SLE
2013 GMC Sierra 1500 SLT
2013 GMC Sierra 1500 WT
2013 GMC Sierra 1500 XFE
2014 Chevrolet Silverado 1500 High Country
2014 Chevrolet Silverado 1500 LT
2014 Chevrolet Silverado 1500 LTZ
2014 Chevrolet Silverado 1500 WT
2014 GMC Sierra 1500 Base
2014 GMC Sierra 1500 Denali
2014 GMC Sierra 1500 SLE
2014 GMC Sierra 1500 SLT
2015 Chevrolet Silverado 1500 High Country
2015 Chevrolet Silverado 1500 LS
2015 Chevrolet Silverado 1500 LT
2015 Chevrolet Silverado 1500 LTZ
2015 Chevrolet Silverado 1500 SSV
2015 Chevrolet Silverado 1500 WT
2015 GMC Sierra 1500 Base
2015 GMC Sierra 1500 Denali
2015 GMC Sierra 1500 SLE
2015 GMC Sierra 1500 SLT
2016 Chevrolet Silverado 1500 Custom
2016 Chevrolet Silverado 1500 High Country
2016 Chevrolet Silverado 1500 LS
2016 Chevrolet Silverado 1500 LT
2016 Chevrolet Silverado 1500 LTZ
2016 Chevrolet Silverado 1500 SSV
2016 Chevrolet Silverado 1500 WT
2016 GMC Sierra 1500 Base
2016 GMC Sierra 1500 Denali
2016 GMC Sierra 1500 SLE
2016 GMC Sierra 1500 SLT
2017 Chevrolet Silverado 1500 Custom
2017 Chevrolet Silverado 1500 High Country
2017 Chevrolet Silverado 1500 LS
2017 Chevrolet Silverado 1500 LT
2017 Chevrolet Silverado 1500 LTZ
2017 Chevrolet Silverado 1500 SSV
2017 Chevrolet Silverado 1500 WT

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1