2001-2010 Duramax 2500/3500HD KRYPTONITE DEATH GRIP PITMAN ARM

Part# KR6654 (3 Spline)
Fits; 2001-2010 Chevy/GMC 1500HD/2500HD/3500 GM Trucks with factory steering box.

Part# KR6536 (4 Spline)
Fits; 1988-2006 Chevy/ GMC 1500 Half Ton 6 Lug Trucks, and 01-10 Trucks equipped with aftermarket steering gear boxes such as PSC.

If you demand the absolute best for your truck this is it.