Home » Duramax » 6.6 LLY 2004.5-2006 Duramax » Engines » Long Block
Choate Engineering Performance offers high-performance 6.6 Duramax long block diesel engines built for strength, reliability, and maximum power. These engines feature precision-machined components for durability and peak performance in tough conditions. Perfect for motorsports, off-roading, and heavy-duty tasks, they provide the reliability you need.
Boost your vehicle’s performance with a Choate Engineering long block diesel engine—designed to push the limits of power and endurance!
Building engines the way the OEM factory should have in the first place.
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