2009 Chevrolet Silverado 3500 HD Valve Lifter

You should install the rocker arm bracket, the intake rocker arm, the valve bridge, the valve bridge pins, the Pushrods, the rocker arm shaft assembly, and the lower valve rocker arm covers.

You should install the Valve Spring lower seat, the valve stem seal, the valve spring, the painted end of the valve spring goes toward the cylinder head, the valve spring upper seat, the valve keys to the valve stem, the 3 remaining valve stem seals for the cylinder, the glow plug, the valve rocker arm shaft, the valve bridges, and the push rods and the upper and lower fan shroud.

You should remove the lower valve Rocker Arm covers, the rocker arm shaft assembly bolts in the sequence shown, the rocker arm shaft assembly, the valve bridge pins, the valve bridges, the pushrods, the rocker arm shaft bracket bolts, the bracket and the remaining rocker arms, springs, and brackets.