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BD's exchange valve body for 2006-2007 Duramax LBZ with Allison 1000 is a modified, tested assembly designed for towing and heavy use. It features revised trim valves and calibrations to increase clutch apply and line pressure, hand-lapped surfaces to reduce internal leakage, and other component upgrades that enhance shift quality and help extend transmission life under load.
BD Diesel Valve Body - 2006-2007 Duramax LBZ Allison 1000
