Function:The Torsion Bar Key is Installed in the Front of the Tank under the Chassis, and there are Two Adjustment Bolts on each Side to Adjust Torque by Tightening the Bolts to Cushion the Vehicle. High Quality:Made of High Quality Materials,,the is Treated with Black Anti-Rust Coating, Anti-Rust,with Good Wear Resistance and Resistance,Long Service Life.100% Tested Before Leaving the Factory. name:Torque rod key adjustment block Part Number:11561233, 15530026. Fitment: for 1500 1999-2007 for 2500 1999-2010 for 3500 2001-2010 for 2002-2006 for Blazer 1992-2005 for Express 2003-2014 for S-10 1983-2004 for K1500/2500/3500 1988-2000 for 1995-2006 for 1500 1999-2007 for 2500 1999-2010 for 2001-2010 for 1992-2001 for 2003-2014 for 1992-2004 for 2000-2006 for Typhoon 1992-1993 for Syclone 1991 for 1992-1999 for Escalade 1999-2000 2002-2006 for H2 2003-2009 for Bravada 1991-2001 Colour:Black Material:Metal Package Contents: 2 x Torsion Bar Bolts 2 x Torsion Bar Block Nuts Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.