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About Holley EFI

Holley is the new standard in EFI! Whether you're engine swapping your classic car or need to manage 4000 horsepower in your twin-turbocharged drag radial race car, Holley EFI has the solutions you need to get your project up and running better than ever!
| Brand | Holley EFI |
|---|---|
| Color | Silver |
| Construction | Cast |
| Emission Code | 3 |
| Engine | GM LS1/LS2/LS6 |
| Finish | Silver |
| Flange Style | EFI |
| Front Height | 6.86" height with throttle body adapter |
| Fuel System Type | EFI |
| Injector Quantity | Single |
| Inlet Location | Front |
| Manifold Type | Ultra Lo-Ram |
| Product Type | Intake Manifold |
| Recommended Use | Forced Induction |
| RPM Power Band | 3500-8000 RPM |
| Warranty | Limited 90 Day |
| UPC | 090127077573 |
| Part Number | 300-621 |
Ships within 48 hours · Estimated delivery Jun 21 - Jun 26
US$40
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