🚘 Product Description Upgrade your suspension system with this complete torsion bar key adjuster kit, engineered for Chevy and GMC trucks and SUVs. This set includes of 3 torsion bar block nuts and 3 full-thread adjustment bolts, providing everything you need for a safe, stable, and adjustable front suspension setup. 🔩 Premium Forged Strength with Anti-Rust Protection Each torsion bar adjuster bolt and nut is made from forged high-strength alloy steel and coated with a durable black anti-rust finish. The Grade 12.9 tensile bolts are stronger and more reliable than OEM factory bolts, delivering superior load-bearing capacity. With a M12 thread, 2.85" bolt length, and 22mm hex head, these full-thread bolts allow a broader range of suspension height adjustment—ideal for lift and leveling applications. ⚙️ Direct OEM Replacement for Silverado Series Perfectly compatible with Chevy Silverado models from 1999–2010, including 1500 / 1500HD / 2500 / 2500HD / 3500 / 3500HD / SS / Classic / Hybrid / New Body Style. This kit replaces OEM part number 11561233, ensuring a precise fit and easy installation with no modification required. 🚗 Extensive GM and Chevy Vehicle Fitment Designed for a wide range of Chevy and GMC vehicles, including 2002–2006 Avalanche, 1992–2005 Blazer, 1988–2000 K1500/K2500/K3500 pickups, 2003–2014 Express vans, 1983–2004 S10, 1995–2006 Tahoe, and 1992–2019 Suburban. Also fits 1999–2010 GMC Sierra 1500/2500/3500, Jimmy, S15, Savana, Sonoma, Yukon, Hummer H2 (2003–2009), Cadillac Escalade (1999–2006), and Oldsmobile Bravada (1991–2001). 🛠️ Built for Performance and Reliability This torsion bar key adjuster set is engineered for professional-grade performance, offering high strength, corrosion resistance, and long service life. Whether you're replacing worn factory parts or upgrading your front suspension for improved leveling, this kit ensures smooth adjustment, enhanced handling, and reliable load distribution — keeping your truck or SUV riding level and secure on every road.