Hellwig EZ Level 990 Helper Spring Kit — Fits 1999-2006 Chevy Silverado 1500

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Hellwig

Hellwig engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Hellwig lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Upgrade Your 1999-2006 Chevy Silverado 1500 Suspension

If your 1999-2006 Chevy Silverado 1500 or GMC Sierra 1500 struggles under heavy loads, the Hellwig EZ Level 990 Helper Spring kit is the ideal solution. Designed to provide medium-duty support, this kit helps maintain a level ride height and prevents the rear end from sagging when you are towing or hauling. It is an essential upgrade for any truck owner looking to improve their vehicle's versatility and handling under pressure.

Key Advantages

  • Load Leveling Power: Provides up to 2000lbs of additional support for your rear leaf springs.
  • Customizable Tension: Easily adjust the springs to suit your specific load using the included heavy-duty U-bolts.
  • Durable Finish: Powder-coated and plated components ensure long-term durability against the elements.
  • Straightforward Setup: Designed for easy, bolt-on installation with common hand tools.

The EZ Level 990 system is engineered for maximum reliability, ensuring that your truck remains stable and responsive even when fully loaded. By distributing weight more evenly, you will experience improved steering control and reduced bottoming out on rough roads. This kit is compatible with a wide range of trims, including LS, LT, and Z71 models. Each package includes all necessary mounting hardware and clear instructions for a smooth installation experience. For all your automotive suspension needs, rely on the experts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1999-2005 Chevrolet Silverado 1500 Base
1999-2007 Chevrolet Silverado 1500 LS
1999-2007 Chevrolet Silverado 1500 LT
2003-2006 Chevrolet Silverado 1500 SS
2004-2005 Chevrolet Silverado 1500 Z71 Off-Road
2004-2006 Chevrolet Silverado 1500 Hybrid
2007 Chevrolet Silverado 1500 LTZ
2007 Chevrolet Silverado 1500 Classic Hybrid
2007 Chevrolet Silverado 1500 Classic LS
2007 Chevrolet Silverado 1500 Classic LT
2007 Chevrolet Silverado 1500 Classic SS
1999 GMC K1500 Sierra SL
1999 GMC K1500 Sierra SLE
1999 GMC K1500 Sierra SLT
1999-2007 GMC Sierra 1500 SLE
1999-2007 GMC Sierra 1500 SLT
2001 GMC Sierra 1500 C3
2002 GMC Sierra 1500 HT
2002-2005 GMC Sierra 1500 Base
2002-2007 GMC Sierra 1500 Denali
2002-2007 GMC Sierra 1500 WT
2005-2006 GMC Sierra 1500 Hybrid
2006-2007 GMC Sierra 1500 SL
2007 GMC Sierra 1500 Classic Hybrid
2007 GMC Sierra 1500 Classic SL
2007 GMC Sierra 1500 Classic SLE
2007 GMC Sierra 1500 Classic WT

Product Details

Product Description
Part Numbers
Sizing & Fit

About Hellwig

Hellwig engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Hellwig lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Upgrade Your 1999-2006 Chevy Silverado 1500 Suspension

If your 1999-2006 Chevy Silverado 1500 or GMC Sierra 1500 struggles under heavy loads, the Hellwig EZ Level 990 Helper Spring kit is the ideal solution. Designed to provide medium-duty support, this kit helps maintain a level ride height and prevents the rear end from sagging when you are towing or hauling. It is an essential upgrade for any truck owner looking to improve their vehicle's versatility and handling under pressure.

Key Advantages

  • Load Leveling Power: Provides up to 2000lbs of additional support for your rear leaf springs.
  • Customizable Tension: Easily adjust the springs to suit your specific load using the included heavy-duty U-bolts.
  • Durable Finish: Powder-coated and plated components ensure long-term durability against the elements.
  • Straightforward Setup: Designed for easy, bolt-on installation with common hand tools.

The EZ Level 990 system is engineered for maximum reliability, ensuring that your truck remains stable and responsive even when fully loaded. By distributing weight more evenly, you will experience improved steering control and reduced bottoming out on rough roads. This kit is compatible with a wide range of trims, including LS, LT, and Z71 models. Each package includes all necessary mounting hardware and clear instructions for a smooth installation experience. For all your automotive suspension needs, rely on the experts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1999-2005 Chevrolet Silverado 1500 Base
1999-2007 Chevrolet Silverado 1500 LS
1999-2007 Chevrolet Silverado 1500 LT
2003-2006 Chevrolet Silverado 1500 SS
2004-2005 Chevrolet Silverado 1500 Z71 Off-Road
2004-2006 Chevrolet Silverado 1500 Hybrid
2007 Chevrolet Silverado 1500 LTZ
2007 Chevrolet Silverado 1500 Classic Hybrid
2007 Chevrolet Silverado 1500 Classic LS
2007 Chevrolet Silverado 1500 Classic LT
2007 Chevrolet Silverado 1500 Classic SS
1999 GMC K1500 Sierra SL
1999 GMC K1500 Sierra SLE
1999 GMC K1500 Sierra SLT
1999-2007 GMC Sierra 1500 SLE
1999-2007 GMC Sierra 1500 SLT
2001 GMC Sierra 1500 C3
2002 GMC Sierra 1500 HT
2002-2005 GMC Sierra 1500 Base
2002-2007 GMC Sierra 1500 Denali
2002-2007 GMC Sierra 1500 WT
2005-2006 GMC Sierra 1500 Hybrid
2006-2007 GMC Sierra 1500 SL
2007 GMC Sierra 1500 Classic Hybrid
2007 GMC Sierra 1500 Classic SL
2007 GMC Sierra 1500 Classic SLE
2007 GMC Sierra 1500 Classic WT

Product Details

Product Description

About Hellwig

Hellwig engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Hellwig lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Upgrade Your 1999-2006 Chevy Silverado 1500 Suspension

If your 1999-2006 Chevy Silverado 1500 or GMC Sierra 1500 struggles under heavy loads, the Hellwig EZ Level 990 Helper Spring kit is the ideal solution. Designed to provide medium-duty support, this kit helps maintain a level ride height and prevents the rear end from sagging when you are towing or hauling. It is an essential upgrade for any truck owner looking to improve their vehicle's versatility and handling under pressure.

Key Advantages

  • Load Leveling Power: Provides up to 2000lbs of additional support for your rear leaf springs.
  • Customizable Tension: Easily adjust the springs to suit your specific load using the included heavy-duty U-bolts.
  • Durable Finish: Powder-coated and plated components ensure long-term durability against the elements.
  • Straightforward Setup: Designed for easy, bolt-on installation with common hand tools.

The EZ Level 990 system is engineered for maximum reliability, ensuring that your truck remains stable and responsive even when fully loaded. By distributing weight more evenly, you will experience improved steering control and reduced bottoming out on rough roads. This kit is compatible with a wide range of trims, including LS, LT, and Z71 models. Each package includes all necessary mounting hardware and clear instructions for a smooth installation experience. For all your automotive suspension needs, rely on the experts at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1999-2005 Chevrolet Silverado 1500 Base
1999-2007 Chevrolet Silverado 1500 LS
1999-2007 Chevrolet Silverado 1500 LT
2003-2006 Chevrolet Silverado 1500 SS
2004-2005 Chevrolet Silverado 1500 Z71 Off-Road
2004-2006 Chevrolet Silverado 1500 Hybrid
2007 Chevrolet Silverado 1500 LTZ
2007 Chevrolet Silverado 1500 Classic Hybrid
2007 Chevrolet Silverado 1500 Classic LS
2007 Chevrolet Silverado 1500 Classic LT
2007 Chevrolet Silverado 1500 Classic SS
1999 GMC K1500 Sierra SL
1999 GMC K1500 Sierra SLE
1999 GMC K1500 Sierra SLT
1999-2007 GMC Sierra 1500 SLE
1999-2007 GMC Sierra 1500 SLT
2001 GMC Sierra 1500 C3
2002 GMC Sierra 1500 HT
2002-2005 GMC Sierra 1500 Base
2002-2007 GMC Sierra 1500 Denali
2002-2007 GMC Sierra 1500 WT
2005-2006 GMC Sierra 1500 Hybrid
2006-2007 GMC Sierra 1500 SL
2007 GMC Sierra 1500 Classic Hybrid
2007 GMC Sierra 1500 Classic SL
2007 GMC Sierra 1500 Classic SLE
2007 GMC Sierra 1500 Classic WT

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