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.
The brackets are designed to used with Dirty Dingo water pump adpaters with a Gen IV corvette water pump. Start with mounting the rear bracket to the driver's side cylinder head. Place the rear bracket directly against the cylinder head using the counter sunk 10MM, and 2 socket head 8MM bolts all 25MM long using stainless washers with the socket head bolts.
Mount the bottom brace in this orientation onto the block using 2 8MM X 25MM bolts and stainless washers.
Using spacers "B" and "C" mount the power steering pump onto the front bracket using 3 countersunk 10MM bolts. 2 are 40MM long and one is 30MM long.
Install the front bracket and pump onto the engine.
"A" spacers fit behind the alternator and the rear bracket.
"D" spacer fits between the front and rear brackets.
"E" spacer fit on the top inside between the front bracket and the cylinder head,
"F" spacer is on the bottom.
Install lower idler pulley kit and power steering pulley.
You can run the factory LS truck power steering pulley and mount the idler pulley in the lower hole. If you run a small diameter power steering pulley you will mount the idler pulley in the top hole.
Torque all 10mm bolts to 28 Ft. Lbs. and all 8mm bolts to 18 Ft. Lbs.
Large P/S pulley, small case alt, idler in lower hole. Gates K060750
Small P/S pulley. Small case alt, idler in high hole. Gates K060763
Large P/S pulley, Large case alt, idler in lower hole. Gates K060760
Small P/S pulley. Large case alt, idler in high hole. Gates K060772
Large P/S pulley, Gen V alt, idler in lower hole. Gates K060772
Small P/S pulley. Gen V alt, idler in high hole. Gates K060785
With Dirty Dingo LT A/C
R4, small P/S pulley, large case alt, idler high hole. Gates K060970
Sanden 508, small P/S pulley, large case alt, idler high hole. Gates K060980
Sanden 508, large PS pulley , small case alt, lower idler hole. Gates K060956
Sanden 508, large PS pulley , LT alt, lower idler hole. Gates K060970
Sanden 508, small PS pulley , small case alt, high idler hole. Gates K060970
Small case alternators are 135 amp and lower. Large Case alternators are 140 amp and higher.
Large case is on the left-