Chevrolet Silverado 3500 Leaf Springs - Rear - Cognito - Deaver Mini Leaf Pack - 11–25. A progressive overload pack that replaces the harsh factory bottom leaf while adding adjustable rear lift.

Engineered for 2011–2025 Chevy/GMC Silverado/Sierra 2500/3500 HD (2WD/4WD, GM 8‑lug) with stock spring packs, this Deaver-built mini pack bolts to the OE leaves using new center pins (included). Its progressive rate helps improve ride quality and allows about 1–3 inches of rear lift (commonly 1–2.5 inches depending on spacer block setup). Made in the USA, sold as a set, and typically a ~2‑hour DIY install.

Features

• Progressive overload replaces thick bottom overload spring
• Adjustable rear lift about 1–3 in (1–2.5 in typical with spacer changes)
• Fits 2011–2025 GM 2500/3500 HD, 2WD/4WD, 8‑lug
• Works with stock spring packs only
• New center pins included
• Made in the USA; sold as a set
• Approx. 2‑hour DIY install

Have questions or need help choosing the right setup? Call our teams in Austin, Texas at 512-982-9393 (TX) or in the Los Angeles, California area at 562-981-6800 (CA). We offer installation and customization services at both locations.

If you are considering multiple items, contact us to ask about shipping discounts. We install on premises at our Austin, TX and Los Angeles, CA facilities.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov