TSP Hemi Forged 2k HP 426 Short Block

TSP 2K Rated 426ci Gen III Hemi Short Block

The TSP 2K Rated 426ci Gen III Hemi Short Block is built for serious performance enthusiasts who demand extreme durability and power. Constructed on a brand-new Dart Hemi block, this short block is engineered to handle up to 2,000 horsepower—perfect for both high-boost and naturally aspirated builds.

Featuring premium internals, including a Callies Magnum 4.050” stroke forged crankshaft and TSP Billet Super I-Beam rods, this assembly is designed for maximum strength and performance. Every short block is digitally spin-balanced on our CWT balancer to ensure smooth operation at any power level.

Key Features:

• 426ci Displacement – Built on a brand-new Dart Hemi block, providing unmatched strength for high-power applications.
• Callies Magnum 4.050” Forged Crankshaft – Features a 2013+ reluctor and is precision-balanced for seamless operation.
• TSP Billet Super I-Beam Rods (6.125”) – Crafted from 4340 steel, designed for high-horsepower reliability.
• Custom Mahle 2618 Forged Pistons – 0cc Dome piston kit for 4.095” bore, engineered for maximum durability.
• Upgraded Wrist Pins – Reinforced for extreme pressure and longevity under high boost.

Performance Capabilities:

Whether you're building a **high-boost monster or a naturally aspirated powerhouse**, this 426ci Gen III Hemi Short Block is designed to handle up to 2,000 HP. Its strength and precision make it an ideal foundation for drag racing, street performance, and track domination.

Additional Notes:

• Digitally spin-balanced for ultra-smooth performance and longevity.
• Designed for **serious Hemi builds** looking for a rock-solid foundation.
• Perfect for **forced induction** or **high-revving NA applications**.

Take your Hemi build to the next level with the TSP 2K Rated 426ci Gen III Hemi Short Block—a proven foundation for extreme horsepower, unmatched durability, and ultimate performance.