To my knowledge, the Trailblazer SS's all have 9.5" 14 bolt differentials. I believe those are the only Trailblazers with V8's.
Quote:
Originally Posted by whitedog76
Just FYI, yhe V8 powered Trailblazers/Envoys have an 8.6 rearend, along with some versions of the Colorado/Canyon. They may be a little wide for your app. It's worth taking a tape measure to junkyard. BTW, they're 6 lug axles.
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