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

The DmaxStore Stage 2 Rotating Assembly is built for customers doing some heavy towing with high horsepower or the race/sled puller running around the 1000 HP mark. Even if the power goals are much less, this assembly can offer peace of mind for those who abuse their engines or like to have some fun at the track on the weekends. This kit comes un-balanced.

Kit Includes:

• Callies DuraStar Crankshaft x 1 (D333M81-CS)
• Performance Rating: Up to 1200HP capability, surpassing OEM strength.
• Material: Made from stronger steel for enhanced durability and performance.
• Nitride Layer: Deeper layer for improved surface hardness and wear resistance.
• Special Machining: Unique features optimize strength and performance.
• Application: Specifically designed for GM's Duramax diesel engines.
• 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 (930029855, 930029875, 930029895, 930036055, 930036075, 930036095)
• Performance Rating: Rated up to 1000HP capability.
• Design: Machined from OE castings with cast iron ring insert for durability and drivability.
• Application: Ideal for street/strip or pulling trucks making 400-1000HP, used daily or for work.
• Longevity: Built to achieve 100,000+ miles on high horsepower engines.
• Durability: Offers strength comparable to forged pistons, designed for extended use.

Application Guide:​

• 930036055: Stock 4.055 Bore (403 in³)
• 930036075: .020 over, 4.075 Bore (407 in³)
• 930036095: .040 over, 4.095 Bore (411 in³)

Optional Parts:

• Stage 1 Callies Durastar AFO Camshaft (DSC-AFO-1)
• Enhanced Duramax Firing Order: Designed to alleviate stress on the crankshaft, particularly in high-performance settings.
• Addressing OEM Limitations: Original firing sequence concentrated stress on cylinders 1, 2, and 3, leading to potential crankshaft failures.
• Performance Impact: Redistributes combustion stress evenly across cylinders, optimizing engine durability at higher RPMs and power levels.
• Versatile Application: Suitable for both modified daily drivers and competitive trucks, ensuring reliable performance under varying conditions.
• Technical Advancement: DuraStar Alternate Firing Camshaft improves engine harmonics without requiring piston valve relief modifications.
• ATI Super Damper (917369, 917371, 917376)
• Unleash Hidden Power: Gain up to 12 additional horsepower and smoother engine operation.
• Extend Engine Life: Reduce harmful crankshaft harmonics by 30% compared to stock dampers.
• Customizable Tuning: Easily rebuild and fine-tune for optimal performance.
• Precise Timing: Direct crank hub mounting ensures accurate and consistent timing marks.
• Durable Design: Replaceable elastomer strips for long-lasting protection.
• Billet Steel FlexPlate (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
• DmaxStore Performance Crankshaft Gear

DmaxStore Notes:

• Does NOT include main bearings or thrust washer set.
• We recommend sourcing main bearings/thrust washers through your machine shop.
• Thrust washers should be hand fit for proper clearances prior to assembly by your machine shop.