These heavy-duty torsion key bolts are designed for precise adjustment of torsion bars in suspension systems. Manufactured to provide reliable performance and durability, these adjustment bolts allow for accurate control of vehicle ride height and suspension settings. The bolts feature robust construction to handle the high stress demands of torsion bar applications. Perfect for automotive maintenance and suspension tuning projects, these replacement bolts help restore proper suspension function and adjustability. The set includes compatible torsion bar adjustment bolts that are engineered to meet specific fitment requirements. Whether you're a professional mechanic or DIY enthusiast, these torsion key bolts offer the reliability needed for suspension system maintenance and modifications. 1 pair of torsion key adjuster bolts with round tip (Upgrade), replace parts number 11612276 15530026 14041596, work with 11561233 Forged torsion bar key bolts with black anti-rust coating, the high tensile grade 12.9 torsion bar key adjuster bolts are a grade stronger than the OEM bolts, M12 and 2.85" in length with 18mm(0.7") hex head So torsion key bolts fits 1999-2010 so ALL models including so 1500 1500hd 2500 2500hd 3500 3500hd 2wd/4wd SS Classic Hybrid and New style, 1992-2019 Sn, 1995-2006 Te, 1983-2004 S10, 1988-2000 K1500 K2500 K3500, 2003-2014 Es.