The TSP 427 C.I.D. Dart LS 2000HP Short Block is built as a foundation for extreme-horsepower combinations and is engineered to support up to 2,000 horsepower. Built around the robust Dart LS Next platform and equipped with high-performance rotating components, this short block is purpose-built for high-boost and high-RPM applications.

Whether you're building a dedicated drag car or an extreme street machine, the 427 C.I.D. combination provides a heavy-duty foundation for serious performance applications.

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HORSEPOWER CAPABILITY

UP TO 2,000 HP

Rated Horsepower Capability

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INCLUDED COMPONENTS

Dart LS Next Cast Iron Block Kit with Powdercoating
Callies Magnum 4.000" Stroke Crankshaft
58X Reluctor Wheel
Wiseco Boostline 6.125" Connecting Rods with ARP 2000 Bolts
Diamond Forged Flat Top Pistons
LS3 Windage Tray
1/2" Head Stud Kit - 23 Piece
LS-LT Minihoops

ENGINE SPECIFICATIONS

Engine Displacement: 427 C.I.D.
Horsepower Capability: Rated Up to 2,000 HP
Engine Block: Dart LS Next Cast Iron
Crankshaft: Callies Magnum 4.000" Stroke, 58X Reluctor, 8 Counterweight, Balanced
Connecting Rods: Wiseco Boostline 6.125" with ARP 2000 Bolts - 2,000 HP Rated
Pistons: Diamond Forged Flat Top, 4.125" Bore, -3.0cc
Reluctor: GM 58X Reluctor Wheel for 2006+ LS Engines

INSTALLATION NOTES

This short block is designed for serious high-horsepower performance applications.
Proper engine management, tuning, fuel delivery, cooling, and supporting systems are required.
Verify 58X reluctor compatibility with the vehicle's engine management system before installation.
Final compression ratio will depend on cylinder head combustion chamber volume, head gasket thickness, deck height, and final engine configuration.
Proper installation and engine setup practices are required for high-boost and high-RPM applications.
Additional vehicle-specific components may be required for installation.

Note: The 2,000 HP figure represents the rated horsepower capability of the short-block combination and supporting rotating components, not a guaranteed engine output. Final horsepower depends on the complete engine combination, induction system, power adder, fuel system, tuning, and supporting components.