DMAX Diesel Stage 2 Short Block (1000hp) | 2001-2016 GM Duramax 6.6L

Years of professional knowledge and testing led us to these Built-to-Last Performance Short Blocks.

The DmaxStore Stage 2 Short Block is the ideal foundation for high-performance Duramax engines, engineered to withstand the extreme demands of Twin-Turbo or Dual CP3 setups (that have a Built Transmission). This robust short block is a proven performer in both competitive motorsports and heavy-duty towing applications, delivering exceptional power and reliability up to 1000HP. Engineered to withstand demanding conditions, this balanced short block provides peace of mind for daily drivers, hardworking professionals, and performance enthusiasts alike. With all-new internal components, these blocks are meticulously assembled and balanced by our expert technicians with over 20 years of experience. These Short Blocks come already Digitally Balanced on the same machine that balances Ferrari and Porsche Motors to withstand 12,000 RPMs. The uncompromised quality is backed by a member of the Automotive Engine Rebuilders Association (AERA) and a former member of the AERA National Board of Directors, guaranteeing adherence to the highest industry standards.

Short Block Includes:

• Callies DuraStar Crankshaft x 1 (D333M81-CS)
• Extreme Power: Rated up to 1200HP.
• Unrivaled Strength: Far exceeds OEM crankshaft durability.
• Enhanced Material: Precision-machined from high-strength steel with deep nitride hardening.
• Carrillo Pro-H 9321 Connecting Rods Set (8) x 1 (GM_B66DM_0HS_6418B7H)
• Unmatched Strength: Rated for up to 1800HP, engineered for extreme performance applications.
• Precision Engineering: Meticulously crafted from oversized forgings with strict quality control measures, ensuring optimal grain flow and dimensional accuracy.
• Advanced Materials: Proprietary chrome-nickel-moly-vanadium alloy, vacuum arc re-melted (VAR) and heat-treated for exceptional strength and durability.
• Complete Solution: Includes premium H-11 bolts for a comprehensive upgrade.
• Proven Performance: Carrillo's legacy of excellence in connecting rod manufacturing, trusted by professionals in the automotive and motorcycle industries.
• Mahle Motorsports Performance Cast Piston Set (8) Kit x 1
• High-Performance Power: Rated up to 1000HP for street, strip, or pulling applications.
• Exceptional Longevity: Designed for 100,000+ miles even in high-performance conditions.
• Increased Strength: Enhanced durability for modified engines without sacrificing daily drivability or work truck functionality.
• ATI Super Damper x 1 (917369)
• Boost Performance & Longevity: Gain up to 12 additional horsepower and smoother engine operation while reducing wear on your crankshaft.
• Superior Vibration Control: 30% more effective at reducing harmful harmonics.
• Durable Design: Replaceable elastomer strips for long-lasting protection.
• Precise Timing: Direct crank hub mounting ensures consistent timing marks for easy maintenance.
• Billet Steel FlexPlate x 1 (SD-BILLET-FLEX)
• Precision-crafted one-piece billet construction
• Superior strength and lighter weight than stock
• Meets or exceeds rigorous SFI 29.3 safety standards for competition use
• Billet Main Girdle x 1
• Reinforced Stability: Eliminates main cap movement under high power, preventing premature bearing wear and catastrophic engine failure.
• Enhanced Strength: Connects all main caps together and to the pan rail, ensuring superior structural integrity.
• Simple Installation: Bolts directly to the engine block ensuring seamless integration.
• Please Note:
  • This may require modification when used with aftermarket high-capacity oil pans as it may cause interference with the factory crossmember.
  • The two factory flywheel/flexplate cover to upper oil pan bolts will not be used after installation of this girdle. This will not cause any leaks or strength concerns.
  • If factory main caps are used, they will need to be machined so they are flat with the main girdle. It is HIGHLY recommended for this to be performed by your engine machine shop. No modification is needed if Billet Main Caps are used.
• Mahle/Clevite Connecting Rod Bearing Set x 8
• Tri-Metal Performance Main Bearing Set x 1
• Mahle/Clevite Thrust Washer Set x 2
• Dmax Performance Oil Pump x 1
• ARP Main Stud Set (Extended for the Billet Main Girdle) x 1
• Lower Gasket Kit x 1

Optional Parts:

• Fingers Oval Bowl Pistons
• Optional ARP Kits
• DmaxStore Performance Crankshaft Gear

Warranty & Important Info:

• 1 Year warranty against manufacturing defects (from ship date).
• Core Charge on the shipping container and core block only. Please contact us once received to arrange the return shipment of the shipping container and block.
• We recommend using a grade C series head gasket with this short block.

Please Note: