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DD-LS1-ALT-PS - LS1 Corvette Style Alt/PS Bracket

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.

Begin by installing the lower pulley kit to the front bracket. The bolt includes a small stainless washer and a lock nut for the back side. Torque the nut on the rear while holding the front bolt to 28 ft. lbs.

Next, mount the front plate onto the block. Use the longest bolts in the kit. Spacer "D" is placed at the bottom.

Then, mount the rear plate between the head and the outer plate using the "A" spacers against the head, and the "B" spacers between the two plates. Corvette does not use an "A" spacer.

Next, mount the alternator between the two plates using the two 80 MM bolts. Place a small stainless washer on both outer sides of the plates and then the lock nuts.

Next, mount the power steering pump onto the front plate using the supplied 8 MM bolts. We include several long and short bolts to accomodate different styles of pumps. Be sure that your pump has the return pipe stub installed before installing your pump to the outer plate. If you are using a Corvette pump and pulley you will use the optional X spacer between the pump and bracket. Camaro pumps do not use this spacer.

Torque all 10mm bolts to 28 Ft. Lbs. Torque the 8mm bolts to 12 Ft. Lbs. Install power steering pump. Some type 2 pumps have holes in the pulley and do not require removing the pulley to install.


Belt Sizes-


Alternator and Power Steering- 

Small Case Alternator Gates K060806

Large  Case Alternator Gates K060810


Using Dirty Dingo Sanden 508 Bracket with Corvette or Camaro Power Steering Pulley-

Gates K060997




Small case alternators are 135 amp and lower. Large Case alternators are 140 amp and higher.

Large case is on the left-

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