NRE Naturally Aspirated 572 Wedge | Hot Rod Series | 750 HP

The NRE Naturally Aspirated 572 Wedge is a high-performance Mopar engine designed for enthusiasts seeking classic hot rod power with modern reliability. Delivering 750 HP at 6,400 RPM and 707 ft-lbs of torque at 5,000 RPM, this all-alloy 572 cubic inch Wedge is lightweight at under 500 lbs and engineered to provide broad torque, excellent cooling, and an exhilarating exhaust note. Ideal for Mopar builds, street rods, and show cars, it combines turnkey usability with high-performance engineering.

Performance & Driving Experience

This naturally aspirated wedge is renowned for its high-revving capability and broad torque curve, offering the driving excitement of a small block with the displacement of a big block. It makes 750 HP on 91 octane pump gas, allowing for both street-friendly drivability and performance-oriented fun. The engine’s cooling efficiency keeps temperatures around 15 degrees cooler than typical builds, enhancing longevity and reliability during spirited driving.

Engine Block & Rotating Assembly

Block

• Indy Max 10.2 Aluminum, 4.5″ bore

Rotating Assembly

• Callies Magnum 4340 forged 4.5″ stroke crankshaft

• Oliver Billet 7.100″ connecting rods

• JE forged pistons with 11:1 compression ratio

• Plasma Moly Speed Pro piston rings

• Clevite H Series engine bearings

The forged crank, rods, and pistons provide exceptional durability for both street and high-performance applications while keeping engine weight low for improved vehicle dynamics.

Cylinder Heads & Valvetrain

• Indy 1 RA aluminum CNC-ported cylinder heads, 500 CFM airflow

• Custom mechanical roller cam

• Indy shaft rockers with .145 wall pushrods

• High-quality lifters

The valvetrain is designed for high RPM reliability and smooth operation, producing responsive throttle and a broad torque curve ideal for hot rod performance.

Induction & Fuel System

• Indy single-plane intake manifold

• Holley HP 1050 Dominator carburetor fuel system

This naturally aspirated induction setup ensures linear throttle response, excellent midrange torque, and classic Mopar sound, making it perfect for show-quality builds and street performance.

Supporting Systems & Accessories

• Cometic head gaskets

• ARP fasteners

• Milodon high-capacity oil system

• SFI-approved ATI harmonic damper

• MSD Pro Billet distributor ignition

• NRE billet CNC-machined valve covers

Every component is chosen for reliability, durability, and performance, giving a turnkey solution for hot rod enthusiasts.

Specifications

• Engine Type: Naturally Aspirated Mopar Wedge

• Displacement: 572 cubic inches

• Horsepower: 750 HP @ 6,400 RPM

• Torque: 707 ft-lbs @ 5,000 RPM

• Compression Ratio: 11:1

• Camshaft: Custom mechanical roller cam

• Cylinder Heads: Indy 1 RA aluminum CNC-ported, 500 CFM

• Intake Manifold: Indy single-plane

• Fuel System: Holley HP 1050 Dominator

• Ignition: MSD Pro Billet distributor

• Oil System: Milodon high-capacity pan

• Harmonic Damper: SFI-approved ATI

• Valve Covers: NRE billet CNC-machined

• Series: Hot Rod Series

• Weight: Under 500 lbs

• Build Type: Turnkey naturally aspirated Mopar Wedge