A machined P1 sun gear is required to accommodate a sleeved C2 hub or C2 Billet Hub. Pair this P1 sun gear with our 100-562 sleeve to greatly increase the strength of your Allison 5 or 6 speed.
Unlike our competitors, our P1 sun gear is diamond cut providing the smoothest finish and lowest heat load on the gear.
To help keep pricing low, we do require a like kind reusable core. If you want to avoid paying the core charge, check the box in the menu above and send your core in first!
5 or 6 Speed Allison LCT1000 2001-2016 GM Trucks & Vans
2wd or 4wd
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