
SKU: A1000-300
🔔 Important Notice: This product may be temporarily out of stock. Orders are still accepted, but additional processing time may be required before shipping. Contact us to confirm current availability.
Performance transmission valve body for the Allison 1000, fitting 2001-2004 GM 6.6L Duramax LB7. Recalibrated for firmer, more consistent shifts under heavy load and performance use.
FrankBUILT transmissions only - unlimited miles
Continental U.S., restrictions apply
Every build assembled by our team
Team ready to help