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The Cognito Deaver mini leaf pack set for 2011–2025 Chevrolet and GMC Silverado/Sierra 2500/3500HD 2WD/4WD provides a progressive overload alternative to the factory bottom overload spring. It fastens to the stock spring pack with included center pins and can yield about 1–2.5 inches of rear lift when spacer blocks are removed, improving ride quality while maintaining compatibility with the factory pack. Made in the USA; two-hour DIY install time.
Cognito 11-25 Chevy/GMC Silverado/Sierra 2500/3500 HD 2WD/4WD Deaver Mini Leaf Pack Set
