Edelbrock 49557 Musi 555 Pro-Flo 4 XT EFI Big Block Chevy Crate Engine

Hand-built by 8-time Pro Street World Champion Pat Musi, the Edelbrock/Musi 555 Pro-Flo 4 XT EFI crate engine delivers neck-snapping 723 HP and 652 lb-ft of torque on pump gas. This 555 cubic inch Big Block Chevy features Pro-Flo 4 XT EFI, providing advanced electronic fuel injection for optimal performance and reliability.

Key Features:

• Ultra-efficient Edelbrock E-CNC cylinder heads with precision porting for maximum airflow
• Exhaust port exits in stock location, allowing use of readily available off-the-shelf headers
• Optimized for high performance street and light-duty racing applications
• Pro-Flo 4 XT electronic fuel injection system for superior fuel management and tuning capability
• Complete long block assembly ready to install
• 100% brand new construction utilizing proven Power Package formulas

This turnkey crate engine combines legendary Musi performance with Edelbrock's advanced EFI technology, delivering breathtaking big block power with modern driveability and efficiency. Perfect for muscle car restorations, street rods, and performance builds requiring serious cubic inches and reliable horsepower.

WARNING: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to www.P65Warnings.ca.gov.