ReadyLift 2.25" Rear Block Kit for GM Silverado & Sierra 6-Lug Trucks (1999–2021)

• Cast-iron, OEM-style 2.25" rear blocks with built-in anti-rotation ears deliver durable, secure lift that resists twisting under heavy hauling.
• Includes all necessary hardware: two (2) 2.25" rear blocks, four (4) e-coated U-bolts, eight (8) nuts and washers, plus installation instructions.
• Raises the rear of GM Silverado/Sierra 6-lug pickups by approximately 1"–3" depending on the OEM configuration and accompanying suspension setup.
• Designed for 1999–2021 GM trucks across classic and current body styles; not compatible with 2019–2022 GM 1500 models with composite rear overload or with rear mono-leaf springs.
• 2019+ models may require trimming excess bolt length after installation to ensure proper fitment.
• Lifetime warranty on all ReadyLIFT components for dependable performance and long-term durability; package dimensions ≈ 17" L × 5" W × 8.5" H; weight ≈ 18.35 lb.