DMAX Diesel Stage 1 Rotating Assembly (700hp) | 2001-2016 GM Duramax 6.6L

The DmaxStore Stage 1 Rotating Assembly is the ideal package for a stock workhorse or a street truck running around the 700HP mark. Even if the power goals are much less, this assembly can offer peace of mind for those who abuse their engines while earning a living. This kit comes un-balanced. Balancing is recommended by a reputable engine machine shop.

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.
• Dmax Performance Connecting Rods (8) Set x 1 (DMAX-PERF-RODS)
• Performance Rating: Up to 700HP capability.
• Durability: Designed for reliable operation under high performance conditions.
• Application: Recommended for daily drivers, tow rigs, and mild racing engines.
• Budget-Friendly: Ideal for cost-effective engine builds without compromising quality.
• 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.
• Dmax Performance Connecting Rod Bearing (8) Set x 1 (DMAX-PERF-9593)

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)
• Boost Performance: Unleash up to 12 additional horsepower and smoother engine operation.
• Protect Your Engine: Reduce harmful crankshaft harmonics by 30% compared to stock dampers.
• Customizable: Easily re-buildable and tunable for optimal performance.
• Reliable Timing: Direct crank hub mounting ensures consistent timing marks.
• Long-lasting: Replaceable elastomer strips for extended damper life.
• 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.
• We recommend having the full rotating assembly balanced before installation.
• Thrust washers should be hand fit for proper clearances prior to assembly by your machine shop.