Torsion Bar Key Adjustment Block Nuts with Bolts for 2011-2021 Chevy Silverad…

HD torsion bar adjustable locks and bolts fit 2011-2021 Silverado 2500 3500 2500HD 3500HD, replace part no. 11571153. Heavy Duty torsion bar key keeper fit 2011-2021 Sierra 2500 3500 2500HD 3500HD. Date First Available: June 13, 2023.

Torsion Key Bolts, Torsion Bar Adjustment Bolts Compatible with Silverado Suburb

Forged torsion bar key bolts with black anti-rust coating, the high tensile grade 12.9 torsion bar key adjuster bolts are 2 grades stronger than the OEM bolts, M14 and 3.15″ in length with 21mm(0.8″) hex head, round tip and pre-oil.