GM 8.5" 10-Bolt Mini Spool fits 28 spline axles. Will work in any GM 8.5" 10-Bolt Front or Rearend Application with 28 spline axles. Mini Spools will install into a standard open (non-posi) carrier to provide full-time comp...

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GM 8.5" 10-Bolt Mini Spool fits 28 spline axles. Will work in any GM 8.5" 10-Bolt Front or Rearend Application with 28 spline axles. Mini Spools will install into a standard open (non-posi) carrier to provide full-time complete lock-up to both rear wheels. Not recommended for street vehicles. Includes 1 Year Warranty against manufacturing defects.

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