NRE Twin-Turbo Mopar HEMI 572 | Hot Rod Series | 2,500 HP

The NRE Twin-Turbo Mopar HEMI 572, nicknamed “The Elephant,” is a monster of a small-block HEMI, delivering an astounding 2,500 horsepower and 1,972 ft-lbs of torque. This engine blends the sound and feel of a naturally aspirated monster with the instant power and controllability of a turbocharged setup, making it fully streetable while capable of jaw-dropping track performance. Designed for enthusiasts who demand ultimate performance, drivability, and reliability, this turnkey HEMI is built without compromise.

Performance & Driving Experience

This engine produces 2,253 horsepower at just 25 PSI, delivering insane acceleration while maintaining smooth drivability. It’s engineered to handle street comforts, including air conditioning, without sacrificing performance. The throttle response is instantaneous, the sound is aggressive yet refined, and the torque delivery is monumental, making it perfect for hot rods, custom builds, and extreme performance applications.

Engine Block & Rotating Assembly

Block

• Indy Max 10.2 Aluminum 4.5″ bore with flame hoops

Rotating Assembly

• Callies Magnum 4340 forged 4.5″ stroke crankshaft

• Oliver Billet 7.100″ connecting rods

• JE forged pistons with 9:1 compression ratio

• Hell Fire piston rings

• Clevite H Series engine bearings

The combination of a forged crank, billet rods, and forged pistons ensures the engine can handle extreme boost and high RPMs while remaining streetable.

Cylinder Heads & Valvetrain

• Indy 1 RA aluminum cylinder heads, 500 CFM airflow

• Inconel valves with receiver grooves

• Custom mechanical roller cam

• Indy shaft rockers, .145 wall pushrods

This valvetrain is designed for high RPM reliability, rapid throttle response, and smooth power delivery, capable of withstanding the extreme output of twin-turbocharging.

Induction & Turbocharging

• Alien intake manifold

• NRE Mirror Image Gen 2 88mm ceramic ball bearing turbochargers

• TIAL 60mm wastegates

The high-flow induction system and advanced turbochargers deliver instant boost, massive top-end power, and precise spool, producing a balance of streetable manners and extreme track-level performance.

Fuel Management, Ignition & Supporting Systems

• Holley Dominator ECU with mill-spec harness, DR25 sensors fully integrated

• Siemens Deka injectors

• Crank trigger ignition

• SFI-approved ATI harmonic damper

The comprehensive fuel and ignition system ensures safe and reliable operation under extreme horsepower and torque loads, with full programmability and self-monitoring.

Oil & Exhaust System

• Aviaid block-mounted dry sump oil system with 10-quart tank

• Stainless steel 304 headers, fully TIG-welded and back-purged

This setup guarantees perfect lubrication under high G-loads and efficient exhaust flow for maximum turbo performance.

Specifications

• Engine Type: Twin-Turbo Small Block HEMI

• Displacement: 572 cubic inches

• Horsepower: 2,500 HP (1,972 ft-lbs torque)

• Boost: 25 PSI for 2,253 HP

• Fuel Type: Race fuel / pump fuel capable

• Compression Ratio: 9:1 pistons

• Camshaft: Custom mechanical roller

• Cylinder Heads: Indy 1 RA aluminum, 500 CFM, Inconel valves

• Turbochargers: NRE Gen 2 88mm ceramic ball bearing twins

• Wastegates: TIAL 60mm

• Intake Manifold: Alien intake manifold

• Fuel Management: Holley Dominator, fully dressed, laptop programmable

• Ignition: Crank trigger system

• Oil System: Aviaid dry sump, 10-quart tank

• Harmonic Damper: SFI-approved ATI

• Valve Covers: Indy cast aluminum

• Exhaust: 304 stainless TIG-welded and back-purged

• Series: Hot Rod Series

• Build Type: Turnkey twin-turbo HEMI