Choate Engineering CEP66LBZSW 6.6L Duramax Workhorse Short Block | 2006-2007.5 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LBZ

Features: - 600hp rated - Perfect for heavy towing - Fully balanced - Upgraded over OE 6.6L Duramax - 5 Year / 100,000 Mile Warranty Ready to Tackle Heavy Duty Tasks Choate Engineering's 6.6L Short Block Workhorse is designed for heavy towing, making it perfect for demanding tasks. Precision blueprinted and fully balanced, this engine ensures smooth operation and reliability. The 6.6L Workhorse Short Block is an incredibly durable engine that's ready to handle any task. A Legend Perfected by Choate Engineering Choate Engineering elevates the 6.6L Duramax to new heights with their 6.6L Workhorse Short Block. With robust chromoly pistons, a stage 2 camshaft, O-ringed heads, coated, flycut, and delipped pistons, along with head studs, a fresh flex plate, and harmonic balancer, the 6.6L Short Block Workhorse offers enhanced durability and performance compared to the original equipment. Choate Engineering solves potential issues that the OE 6.6L had. One issue is the pistons being a failure point, the wrist pin bushings fail, thus Choate updated the pistons to be a press in bushing rather than using a wrist pin. Choate Engineering's 6.6L Workhorse Short Block is ready to tackle any heavy-duty task thrown its way. Fits: 2004.5-2005 GM 6.6L Duramax LLY 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