I install a new differential and regear this 1995 GMC C3500HD to increase its top speed from 67 MPH to 93 MPH.

High quality, heavy duty puller: https://amzn.to/2VoS0zz
POWERFUL impact wrench: https://amzn.to/3itRsAV
Differential cover: https://amzn.to/3jBtX8l
Build series playlist:    • Cummins Swapping a GMC C3500HD - Pull...  
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