Allison TransmissionChevy Home / Duramax Transmissions / Allison Transmission Showing all 3 results Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low GM ALLISON A-1000 Stage 3 $4,650.00 -Read more GM ALLISON A-1000 Stage 4 $5,850.00 -Read more GM ALLISON A-1000 Stage 5 $7,900.00 -Read more