{"product_id":"cognito-11-24-chevy-gmc-silverado-sierra-2500-3500-hd-2wd-4wd-deaver-4-inch-leaf-spring-pack-k97","title":"Cognito 11-24 Chevy\/GMC Silverado\/Sierra 2500\/3500 HD 2WD\/4WD Deaver 4 Inch Leaf Spring Pack K97","description":"\u003cp\u003eThe Deaver spring is a complete replacement of the OEM spring and is arched for 4 inch over stock rear lift height while maintaining excellent ride quality via being made from high-quality spring steel, a higher leaf count with thinner leaf material for a more compliant ride.A military wrap is used on the front eyelet for safety, the ends of each leaf are diamond-shaped cut and have anti-friction inserts for smooth movement, and the pack is secured with included center pin and retaining clips. Using leaf springs over lift blocks helps reduce wheel hop or axle wrap. 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