All threaded holes in the block and cylinder head should cleaned and tapped with a thread chaser. All bolts being installed should be lubed with a light oil or anti-seize on the bolt threads before assembly.
This bracket is designed to be used with 1990-95 Chevrolet 1/2 ton truck 350 power steering pump. Disconnect the battery. Remove the serpentine belt. Using a power stering pulley puller tool, remove the power steering pulley. Remove the wires at the alternator and the two bolts holding the alternator and place alternator to the side. Remove the idler pulley. Remove the three bolts holding the power steering pump to the bracket. Remove the bolts holding the factory bracket to the head and block and remove the factory bracket. When installing new brackets finger tighten all bolts and torque after everything is installed.
Place power steering pump on a flat surface. Place the two spacers "B" and the one spacer "C" on the pump as shown. Place the bracket of the top of the pump and install the bolts using a stainless washer under the head of the bolts. The "B" spacers use 40 MM bolts and the "C" spacer uses a 30 MM bolt.
Next install the assembly to the engine using two 130 MM bolts. The top space to the head is "E" and the bottom spacer to the block is "F". Finger tighten the bolts.
Install the rear bracket using two 130 MM bolts with stainless washers. Slide bolt through front plate. Place spacers "D" between the plates and spacer "A" between the back plate and the head. Install the alternator between the two billet brackets using two 90MM bolts, two lock nuts, and stainless washers on both sides. While lifting the weight of the assembly, torque all bolts to 28 ft lbs.
Install lower pulley kit. Stack up the spacers as shown and torque to 28 ft lbs. Install power steering pulley using the proper install tool. Install wires to alternator.
Install new serpentine belt as shown. Reconnect battery.
Stock Truck accessories-
Small case alternator Gates Belt K060798
Large case alternator Gates Belt K060802
* When using small diameter power steering pulley subtract 2" from belt length.
Small case alternators are 135 amp and lower. Large Case alternators are 140 amp and higher.
Large case is on the left-