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10.5" 14 bolt pinion support bolts

@MTBLAZER89

Install the six bearing retainer bolts and lock washers and torque in a crosswise pattern to 65 ft/lbs.

Of note, the stock 3/8-NC16 bolts used to secure the pinion bearing retainer to the axle housing (middle) are neither 3/4" nor 1" in length.

I wanted to replace mine, so I checked the depth of the tapped blind holes in the axle housing and discovered that the longer 1" bolts work fine without bottoming.
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GM 10.5" 14-bolt Gear Install and Setup

By Bill “BillaVista” Ansell
 
They need to be longer than stock if you are running a pinion guard. Ask Kert what length bolts he includes with his kit.
 

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