Holley- 300-294 Single Plane EFI 4500 Split-Design Race Intake Manifold- GM LS1/LS2/LS6
Split-Design Race Intake Manifold- GM LS1/LS2/LS6 Cast Finish with Fuel Rails
The manifold with AN-8 fuel rails fits GM LS Gen III engines with cathedral port heads and has a 4500 Dominator style carb flange for carburetors, EFI throttle bodies, or EFI throttle body elbows, and is configured with a LS MAP sensor port along with other NPT plenum vacuum or air-temp sensor ports. The new Holley Single-Plane Race intake manifold is designed with maximum performance in mind. Featured is a two-piece split design that provides access for all levels of porting and modification. With shoulder bolt locators and O-ring seal, disassembly & reassembly is simple and precise. The LS Race single-plane intake manifold is designed for hi-performance/racing engine applications, 5.3 to 6.2+ liter displacements, N/A or with power adders. The large volume 4500 plenum and optimized runners provide airflow potential for Hi-RPM engines with max power at 7500-8000+ RPM.
Features:
- Lighter than other split race intakes
- Captured O-ring seals at head ports and plenum split
- Vacuum Port options include (2) 1/8, (1) 1/4, and (1) 3/8, NPT ports at the carb flange
- Maximum performance 4500 Dominator flange race design with hood clearance consideration
- 33 to 50% the price of other split race intakes
- Two versions available: EFI type - Billet Fuel Rails and rail mounting hardware included, or Carbureted / Sniper EFI 4500 TBI style
- Split feature making porting efforts easy!
| Barrels | 4 |
|---|---|
| Basic Operating RPM Range | 2500-7500 RPM |
| Brand | Holley |
| Carburetor Flange | Dominator/4500 |
| Carburetor Quantity | 1 |
| Carburetor Studs Included | No |
| Category | Engine |
| CNC Ported | No |
| Color | Silver |
| Construction | Cast |
| Cylinder Head Port Shape | Cathedral |
| Deck Height | 9.24 IN |
| EGR Port | No |
| Emission Code | 3 |
| Engine | GM LS1/LS2/LS6 |
| Flange Style | 4500 |
| Front Maximum Height | 7.32 IN |
| Fuel Injectors Included | No |
| Fuel Rail(s) Included | No |
| Fuel System Type | EFI |
| Gasket Or Seal Included | No |
| Grade Type | Performance |
| Intake Port Gasket(s) Included | No |
| Manifold Type | Split Single Plane |
| Material | Aluminum |
| Nitrous Bung(s) Included | No |
| Part Type | Engine Intake Manifold |
| Plenum Finish | Natural |
| Product Type | Intake Manifold |
| Rear Maximum Height | 7.32 IN |
| Removable Runners | No |
| Removable Top/Lid | No |
| Single Or Dual Plane Type | Single Plane |
| Sub Category | Cylinder Block Components |
| Throttle Body Bore Diameter | 5 |
| Throttle Body Gasket Included | No |
| Throttle Body Included | No |
| Vacuum Ports | Yes |
| Warranty | Manufacturer's Limited 90 Day Warranty |
| UPC | 090127082201 |
| Part Number | 300-294 |
