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The Hellwig EZ‑990 Helper Spring kit for 1999–2006 Chevy Silverado 1500/Sierra (and select Classic models) delivers up to 2,000 lb of level load support via a tunable, bolt‑on design. Made from heat‑treated ASTM 5160 spring steel and supplied with heavy U‑bolts and plated hardware, the kit helps maintain control under heavier towing or payloads and can be adjusted to compensate for uneven loads.
Hellwig 99-06 Chevy Silverado 1500 2/4WD EZ Level 990 Helper Spring - Up To 2000lbs
