Holley 300-72S - Holley Systemax II Ford 5.0L EFI Manifolds

Holley 300-72S - Holley Systemax II Ford 5.0L EFI Manifolds

Holley #510-300-72S

2000-6500 RPM Power Band, External EGR. Retains stock fuel injector and water outlet location. Maximum unrestricted airflow. Lower manifold ports match up to Holley cylinder heads.
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Installation Instructions for Holley 300-72S - Holley Systemax II Ford 5.0L EFI Manifolds
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Holley 300-72S - Holley Systemax II Ford 5.0L EFI Manifolds

This Ford 5.0L EFI passenger car manifold was developed by Holley for its SysteMAX II Ford perfromance package. Don't be fooled by it's California emission-legal designation! This manifold will flow air like no other street/strip manifold. It's fully machined and ready to bolt down on an engine.

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