2003-2004 GM 6.6L Duramax Stage6 Complete Ready-to-Install Allison Transmission

Now available as a complete ready-to-install transmission. PPE experts with 35+ years of experience upgrade the Allison transmissions with the latest performance parts to ensure a transmission built to suit your needs. Suitable for daily use performance or race track.

Fully customizable, there are several upgrades to consider. If you need assistance please call and ask to speak with an advisor. 

NOTE: Transmission Core & Transport Case core charge must still be added

NOTE: Items shipped through freight transit do not qualify for free shipping