Choate Engineering Performance provides high-performance long block 6.7 Cummins diesel engines, engineered for strength, reliability, and maximum power. These long block assemblies are built with precision-machined components to ensure durability and optimal performance under demanding conditions. Ideal for motorsports, off-road, and heavy-duty applications, they deliver the reliability needed for tough environments. Enhance your vehicle’s performance with a Choate Engineering long block diesel engine—designed to push the limits of power and endurance!