Choate Engineering CEP66LMMLW 6.6L Duramax Workhorse Long Block | 2007-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

Features: - 600hp rated - Perfect for heavy towing - Fully balanced - Upgraded over OE 6.6L Duramax - 5 Year / 100,000 Mile Warranty Built with Upgrades Over the OE The 6.6L Long Block Workhorse from Choate Engineering is purpose built to be the perfect engine for those who need a workhorse engine that excels at heavy towing. The engine comes fully balanced and is CNC blueprinted to ensure precision and smooth operation. Choate Engineering's 6.6L Long Block Workhorse is a reliable and hard-working engine that will perform in any job. Features Improvements Over the OE 6.6L Choate engineering wasn't satisfied simply making a direct replacement 6.6L Duramax, they had to make it better than the OE. Featuring durable chromoly pistons, a stage 2 camshaft, O-ringed heads, Coated, Flycut and delipped pistons, head studs, a new flex plate and new harmonic balancer, The 6.6L Long Block Workhorse has increased reliability and performance over the OE 6.6L. For a durable and high performing 6.6L Duramax, the 6.6L Long Block Workhorse is the perfect choice. Fits: 2007-2010 GM 6.6L Duramax LMM Warning: This product can expose you to chemicals that are known to the State of California to cause cancer. For more information, visit [www.P65warnings.ca.gov]Note: $500 Shipping surcharge will be added at checkout