ReadyLift 1.5" Leveling Kit for 2019-2026 Chevy Silverado / GMC Sierra 1500

• 1.5" front leveling lift using a redesigned upper strut spacer for GM 1500 trucks (2WD/4WD), delivering a level stance with a simpler, safer install than older designs.
• Premium CNC-machined 6061-T6 aluminum spacers engineered to pair specifically with 2019-2026 GM 1500 front struts for consistent ride height and long-lasting durability.
• Two SKU options: 66-39150 for GM 1500s without Adaptive Ride Control (ARC) and 66-39151 which includes two extra brackets to accommodate ARC-equipped Denali and High Country models.
• Wheel and tire readiness: supports up to a 33x11.50-20 tire on a 20x9, 0 offset wheel (same specs as ReadyLift 66-3920/66-3922).
• Includes a complete hardware kit: two spacers and six mounting nuts for a clean, secure install; spacer dimensions are approximately 6.75" L x 2" W x 6.5" H with an estimated kit weight of 2 lb.
• Important fitment notes: not compatible with Chevy Trail Boss or GMC AT4/AT4X suspension systems; not compatible with the 2019 Limited OLD Body Style; some wheels may require 6mm or greater spacers to clear the brake caliper.