* Some items are excluded due to manufacturer restrictions. Leaf springs sold individually or in pairs are excluded. Only one coupon code may be applied per order. Coupon codes may not be combined with other discount codes or applied to prior orders. Coupon codes may or may not apply to sale items, depending on the item.
The rear leaf springs and leaf packs by Cognito Motorsports are custom manufactured by the spring specialist at Deaver. These are designed from new model Chevy Silverado and GMC Sierra trucks to provide 1 to 4 inches of rear lift.
Leaf Springs vs Leaf Packs
Leaf Packs: These are added to your existing rear leaf springs and replace the factory bottom overload leafs. These packs are designed to enhance your vehicle's rear suspension, providing a smoother ride with the progressive spring rate overload. The Deaver Mini Leaf Pack is engineered for durability and is a direct bolt-on upgrade, ensuring an easy installation process without requiring extensive modifications. Most leaf packs provide 1 to 3 inches of rear lift
Leaf Springs: Designed as a complete replacement for your original OE leaf springs. These will raise the end 4 inches while maintaining an excellent ride. Military wrap end are used for saftey and anti-friction inserts for less noise and better movement.
