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Features:
- Port Size – 2.49” Height x 1.21” Wide
- Mounting Flange Gasket Type – Standard LS3 Molded O-Ring
- Plenum Top Gasket Type – 3/32” Round O-ring Cord
- Runner Length – 6.58”, As-Cast Runner Cross-Sectional Area – Tapered 4.25 in² to 2.53 in²
- Black
| Basic Operating RPM Range | 3500-8000 RPM |
|---|---|
| Brand | Holley EFI |
| Category | Air and Fuel Delivery |
| Intake Manifolds | |
| Category Filter | Intake Manifolds |
| Color | Black |
| Construction | Cast |
| EGR Port | No |
| Emission Code | 4 |
| Engine | GM LS1/LS2/LS6 |
| Finish | Black |
| Fuel System Type | EFI |
| Grade Type | Performance |
| Intake Port Gasket(s) Included | No |
| Material | Aluminum |
| Nitrous Bung(s) Included | No |
| Plenum Finish | Black |
| Product Type | Intake Manifold Base |
| Removable Runners | No |
| RPM Power Band | 3500-8000 RPM |
| Single Or Dual Plane Type | Single Plane |
| Throttle Body Included | No |
| Type of Component | Lower Manifold |
| Warranty | Limited 90 Day |
| UPC | 090127029930 |
| Part Number | 300-227BK |
This part is legal for sale or use on Racing Use Only Vehicles
The following vehicles are considered Racing Use Only Vehicles:
- Racing Use Only Vehicles are vehicles that are used exclusively for competition that are not registered and that may never be used on the street.
WARNING: It is against the law to install this part on an Emissions Controlled Vehicle
Orders will be shipped either through Federal Express or UPS. All shipments will include tracking information. Visner Engine Development, LLC can only ship to valid addresses, we cannot ship to P.O. Boxes or rented private mailboxes. The customer is responsible for any loss or damage after the package(s) leaves the care of Federal Express or UPS.
The receipt by you of an order confirmation via e-mail does not constitute Visner Engine Development, LLC 's acceptance of an order. Prior to Visner Engine Development, LLC 's acceptance of an order, payment verification is required. Visner Engine Development, LLC reserves the right at any time after receipt of your order to decline your order if payment does not clear and/or is not approved.
We want our customers to be completely satisfied with their purchase from Visner Engine Development, LLC . If you are not completely satisfied, return the new/unused Product(s) and/or Part(s) in the original box(s) prepaid within 14 days of the purchase date (No returns on Custom Orders, only on stocked items). We do not accept returns on any Product(s) and/or Part(s) that have been used and/or installed on an engine and ran. We also do not accept returns on any Product(s) and/or related Part(s) that have been modified and/or altered in any way after leaving Visner Engine Development, LLC .
Please visit our Warranty, Shipping & Returns for more information or feel free to contact us with any questions!
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