DHD's Duramax engine program is known nationally for its durability, attention to detail and quality components. Your wont find the value that this build offers anywhere else.

This is what you need for a factory-replacement.  If your truck works for a living or is the weekend getaway vehicle that takes your RV wherever you need to go and plans or jobs can't be cancelled because the truck is down, this is the solution that won't cost you and arm & a leg.

• Cleaned and Inspected OE Pistons
• New Mahle Rings
• Reconditioned Connecting Rods
• New Connecting Rod Bolts 
• New Main Cap Side Bolts
• DHD Keyed Crank
• DHD Keyed Cam
• New Clevite Bearings
• Surfaced Deck
• Hot Tanked and Magnafluxed Block
• Finish Honed Cylinders
• Includes Flywheel and Balancer
• Includes New OE Block Heater

The PLUS difference:

• Upper and Lower Oil Pan Installed
• Front and Rear Cover Installed
• DHD Keyed High Pressure Oil Pump Installed
• NEW GM Water Pump (DHD High Perf. Standard on LB7/LLY) Installed
• Assembled with New Hardware
• New Oil Pressure Relief Valve
• Upgraded L5P Oil Cooler Installed
• DHD O-Ringed Rear Coolant Cover
• OE GM Front and Rear Crank Seals
• Balancer and Flywheel Installed
• GM Engine Oil Filter Included

Note: This engine is assembled with OE engine components. It may be necessary to overbore the cylinders depending upon block inventory. 

Note: Installation of a new oil pump and oil cooler is required for warranty consideration.

Photo is representative of a short block PLUS and may not exactly reflect what you order based upon options chosen or inventory.

You will be contacted about your shipping arrangements.

Core credit returns will be accepted within 180 days of original purchase. After 180 day core credit refunds will be at the discretion of SDS. Core returns after 120 days will be issued SDS store credit only.

To return your product core for credit, fill out the Return Form. SDS will email you with an RMA number and detailed return instructions. Please wait for shipment instructions before shipping any cores, many cores will be sent directly to the manufacturer.

SDS recommends using a carrier that provides package tracking to ensure your product gets back safely and quickly. You will not be reimbursed for shipping costs incurred in shipping the core. The credit card used for the purchase of the product giving rise to the core return will be credited with the core's original invoiced value after inspection.

Please drain all fluids, if any, from the core. The core returned must be a like-for-like make, model, type and part number. Cores will not be accepted from a salvage or junkyard. Cores that have been disassembled or have missing and/or damaged major components will not receive full core credit.