DMAX Diesel Stage 3 Short Block (1500hp) | 2001-2016 GM Duramax 6.6L

Years of professional knowledge and testing led us to these Built-to-Perform Race Short Blocks.

The DmaxStore Stage 3 Race Short Block is the undisputed champion of Duramax engines. Engineered for the most demanding motorsport competitions and extreme performance builds, this powerhouse is the go-to choice for top-tier racing teams in NHRDA, Ultimate Callout Challenge, and Outlaw Diesel Super Series. While it's conservatively rated at 1500HP+, it has proven to withstand over 2000HP, with unmatched reliability. 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 Ultra Billet Crankshaft x 1 (Internally Balanced) (D333MU@-UL)
• Unrivaled Strength: Engineered to withstand 2000+ HP, far exceeding OEM crankshaft durability.
• Precision Balanced: Increased counterweight angles, diameters, and thickness for optimal high-RPM performance.
• Enhanced Durability: Optimized rod journal width maximizes bearing effectiveness and reduces unnecessary mass.
• Premium Materials: Machined from Timken alloy steel, renowned for its exceptional toughness and fatigue resistance.
• Carrillo Hybrid Forged Piston and Rod Kit x 1 (DHR7030PRKH)
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  • Unmatched Strength: Rated at 1500+ HP, with proven performance beyond 2000HP.
  • Lightweight Design: Reduces reciprocating weight for increased engine response and efficiency.
  • Advanced Materials: Includes coated forged pistons for maximum longevity and Carrillo Pro-HD connecting rods, renowned for their strength and precision.
  • Direct Fit: Designed to seamlessly integrate with the Callies Ultra Billet Crank.
  • Proven Performance: Extensive research and development in collaboration with top engine builders ensure unparalleled performance and reliability.

• Unmatched Strength: Crafted from high-strength aircraft-quality steel to prevent main cap collapse under extreme horsepower.
• Precision Engineering: Blanchard ground and precision machined for optimal fit and performance.
• High-Performance: Recommended for Duramax engines exceeding 800 RWHP, ensuring reliability in demanding applications.

• Reinforced Stability: Eliminates main cap movement in high-performance Duramax engines, preventing premature wear and potential engine failure.
• Enhanced Strength: Links all main caps together and to the pan rail, providing a rigid foundation for your engine under extreme conditions.
• Proven Solution: Addresses the common issue of main cap flex, even with ARP studs and cross bolts, ensuring optimal bearing performance and longevity.

Optional Parts:

• ATI Super Damper (Zero Balance) x 1 (917378)
• 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.
• This Block requires a "Zero Balance" Damper because the Rotating Assembly is Internally Balanced.

• Superior strength and lighter weight than stock.
• Meets or exceeds rigorous SFI 29.3 safety standards for competition use.
• This Block requires a "Zero Balance" Flexplate because the rotating assembly is Internally Balanced.

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: