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Tech Note:
40 spline is an aftermarket upgrade.
GM 14 bolt - 10.5" is identified by the removable pinion support.

GM 14 Bolt (10.5") 4.10 & Down, 40 Spline

GM 14 Bolt (10.5") 4.10 & Down, 30 Spline

If you need full traction for your 14 bolt here it is. The indestructible 14 bolt spool.

14 Bolt Spool - 3 Series 4.10 and down - 30 / 40 Spline

SKU GM14T-SPOOL-3-40
$285.00

Tech Note:
40 spline is an aftermarket upgrade.
GM 14 bolt - 10.5" is identified by the removable pinion support.

GM 14 Bolt (10.5") 4.10 & Down, 40 Spline

GM 14 Bolt (10.5") 4.10 & Down, 30 Spline

If you need full traction for your 14 bolt here it is. The indestructible 14 bolt spool.
$285.00
Spline Count:

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