Description
The Dart LS Next Aluminum Gen III Block is a game-changer for high-performance enthusiasts. Engineered from a clean-slate approach, it overcomes the limitations of traditional LS platforms, making it the ultimate choice for hot rodders, drag racers, circle track competitors, off-roaders, and high-performance marine builders.
Key Innovations:
- Improved Oil Control: By utilizing conventional main caps and oil pans, Dart eliminates the windage and oil control issues found in factory LS engines caused by separated crankcase bays.
- Enhanced Strength: Extra thick decks and reinforced cylinder barrels (.375″ extended) deliver robust performance under extreme conditions.
- Optimized Cooling: Scalloped water jackets improve flow around cylinders for superior temperature management.
Specifications:
- Versatility: Available in deck heights from 9.240″ to 9.800″ with standard or raised cam locations (.388″).
- Durability: Blind head bolt holes in 7/16″ or 1/2″ sizes ensure reliable head gasket sealing.
- Compatibility: Supports OE roller lifters, stock timing covers, and starter mounts (non-skirted version).
- Stroker Ready: Clearance for up to a 4.100″ stroke with steel rods; requires additional clearance for center counterweighted crankshafts.
Features:
- Splayed outer bolts for enhanced middle main bearing support.
- Provisions for OE bolt patterns for starter, water pump, and rear covers.
- Skirted and non-skirted designs to suit different build requirements.
Dart’s LS Next Aluminum Gen III Block is a revolutionary foundation for serious engine builders. With its innovative design and precision engineering, it delivers unmatched performance and reliability for any high-demand application.






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