Holley 300-680 Ultra Lo-Ram Manifold Kit Single Injector - GM LS3/L92
Ultra Lo-Ram Manifold Kit - LS3
The Holley LS3 Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS3/L92 cylinder heads. These intake manifolds will work with OE or aftermarket cylinder heads. The Ultra Lo-Ram intake manifolds are designed for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm depending on the application. The Ultra Lo-Ram plenum flange has a 105 mm opening to work with throttle body part number 112-581 or similar models. The base intake manifold is designed with a lower overall height to fit under a stock or mildly modified hood in the front configuration. The LS3 Ultra Lo-Ram is constructed to provide a very low profile modular intake manifold suitable for fabrication of special throttle body adapters or inlet ducts for custom installations. Available with single or dual injector provisions and a burst panel flange options.The fuel rail kits come with two sets of brackets. A set for long (usually standard length) fuel injectors and a set for short (such as Pico, or LS7) fuel injectors. Available with single or dual injector provisions and a burst panel flange, the LS3 Ultra Lo-Ram intake manifold is designed for boosted combinations with hood clearance in mind.
Features:
- Clears C6 Corvette cowls and hoods without modification
- High volume fuel rails for eight and sixteen injector configurations. Mounting hardware included with 3/4-16 O-ring ports (8 AN)
- Available with single or dual injector provisions and a burst panel flange.
- Front entry plenum flange allows design & fabrication of special throttle body adapters or inlet ducts for custom installations
- Engineered for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm depending on the application.
- Billet options for the top and throttle body adapters are available seperately.
- Designed for GM LS Gen III and IV engines equipped with GM LS3/L92 cylinder heads•
- Low height to fit under a stock or mildly modified hood in the configuration
| Basic Operating RPM Range | 3500-8000 RPM |
|---|---|
| Brand | Holley EFI |
| Burst Panel Compatible | Yes |
| Carburetor Flange | N/A |
| Carburetor Quantity | N/A |
| Carburetor Studs Included | N/A |
| Category | Engine |
| CNC Ported | No |
| Color | Silver |
| Construction | Cast |
| Cylinder Head Port Shape | Rectangle |
| Deck Height | 9.24 IN |
| EGR Port | No |
| Emission Code | 3 |
| Engine | GM LS3/L92 |
| Flange Style | EFI |
| Front Maximum Height | 6.86" height with throttle body adapter IN |
| Fuel Injectors Included | No |
| Fuel Rail(s) Included | Yes |
| Fuel System Type | EFI |
| Gasket Or Seal Included | Yes |
| Grade Type | Performance |
| Injector Quantity | Single |
| Inlet Location | Front |
| Intake Port Gasket(s) Included | No |
| Manifold Type | Ultra Lo-Ram |
| Material | Aluminum |
| Nitrous Bung(s) Included | No |
| Part Type | Engine Intake Manifold |
| Plenum Finish | Natural |
| Product Type | Intake Manifold |
| Recommended Use | Forced Induction |
| Removable Runners | No |
| Removable Top/Lid | Yes |
| Single Or Dual Plane Type | Single Plane |
| Sub Category | Cylinder Block Components |
| Throttle Body Bore Diameter | 105 MM |
| Throttle Body Gasket Included | Yes |
| Throttle Body Included | No |
| Vacuum Ports | Yes |
| Warranty | Manufacturer's Limited 90 Day Warranty |
| UPC | 090127100912 |
| Part Number | 300-680 |
