HOLLEY EFI
DUAL FUEL INJECTOR ULTRA LO-RAM EFI INTAKE MANIFOLD KIT GM LS1/LS2/LS6
Plenum Burst Plate Flange, Satin Finish
Part # 300-625
The Holley LS1/2/6 Ultra Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads. These intake manifold and rail kits will work with OE (Original Equipment) or aftermarket cylinder heads. The 300-625 (satin) & 300-625BK (black), intake manifold kits provide two injectors per cylinder for hi-volume fuel demands, flexible fuel supply strategies, and dual-fuel capability. Also featured on this kit is a standard 6-1/8″ x 3-1/8″ burst panel flange. SFI approved burst panels, burst panel frame sets, and gaskets may be purchased from various manufacturers such as Allstar Performance or Specialty Fasteners. The short runner, low-profile base intake manifold was conceived to package with high-boost turbocharged or supercharged induction systems with a short overall height not possible with other existing intake manifolds. This Holley Ultra Lo-Ram kit is configured for a 105mm throttle body, see Holley P/N 112-581 or similar models. 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. Holley Lo-Ram intake manifold kits include all the sealing o-rings, plugs, and fasteners required for the installation of the kit.
Features:
- Designed for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads
- Provides best performance for forced induction (supercharged or turbocharged) engine applications with peak power at 7000-8000 rpm, depending on the application
- Dual-injector, separate-passage, high-volume fuel rails with mounting hardware, dual-fuel capable, 8 AN o-ring portsDual-injector, separate-passage, high-volume fuel rails with mounting hardware, dual-fuel capable, 8 AN o-ring ports
- Plenum top is machined for a standard “large” 6-1/8” x 3-1/8” burst panel. Burst panels, burst panel frame sets, and gaskets may be purchased from various manufacturers such as Allstar Performance or Specialty Fasteners• Plenum top is machined for a stand
- Modular LS1 Lo-Ram design allows customization for user desired configurationsDesigned for GM LS Gen III and IV engines equipped with GM LS1/2/6 (cathedral port) cylinder heads
- Low height & compact packaging allows installation in most applications often under stock hoods
- Available with both as-cast satin and black power-coat finishes
Brand | Holley EFI |
---|---|
Burst Panel Compatible | Yes |
Color | Silver |
Construction | Cast |
Emission Code | 3 |
Engine | GM LS1/LS2/LS6 |
Finish | Silver |
Flange Style | EFI |
Front Height | 9.07″ without Intercooler |
Fuel System Type | EFI |
Injector Quantity | Dual |
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 | 090127080115 |
Part Number | 300-625 |
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