Holley EFI 300-603BK Holley EFI Lo-Ram Intake Manifold
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Description
Specifications
| Cylinder Head Type | LS1/LS2/LS6 |
| Description_ASC | Holley Performance Emission Code 3: This part is legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles and Racing Use Only Vehicles. The following vehicles are considered Uncontrolled (Non-Emissions Controlled) Vehicles: 1965 and older U.S. manufactured California Certified vehicles/1967 and older U.S. manufactured Federally Certified vehicles/1967 and older Foreign manufactured vehicle. The following vehicles are considered Racing Use Only Vehicles: Racing Use Only Vehicles are vehicles that are used exclusively for competition and 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. The following vehicles are considered Emissions Controlled Vehicles: 1966 and newer U.S. manufactured California Certified vehicles/1968 and newer U.S. manufactured Federally Certified vehicles/1968 and newer Foreign manufactured vehicle |
| Description_DEF | Engine Intake Manifold |
| Description_DES | Holley EFI Lo-Ram Intake Manifold |
| Description_EXT | Holley EFI Lo-Ram Intake Manifold; Lower; w/Fuel Rails; Satin Black Finish; For Use w/GM LS Gen III And IV Engine w/GM LS1/2/6 w/Cathedral Port Cylinder Heads; |
| Description_FAB | Allows Installation In Most Applications Often Under Stock Hoods |
| Description_FAB | Available With Both As-Cast Satin And Black Power-Coat Finishes |
| Description_FAB | Dual-injector Separate-passage High-Volume Fuel Rails |
| Description_FAB | Modular LS1 Lo-Ram Design Allows Customization |
| Description_FAB | Provides Best Performance For Forced Induction |
| Description_INV | BASE IM/FUEL RAILS; LS1 LO-RAM; BLACK |
| Description_MKT | The Holley LS1/2/6 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 300-603(satin) & 300-603BK(black) front-feed, base-lower intake manifold provides two injectors per cylinder for hi-volume fuel demands, flexible fuel supply strategies, and dual-fuel capability. Offering this base intake manifold with fuels rails separately allows you to select your components individually as you build your induction system. Complete front-feed manifold kits are also available with dual fuel injectors, see P/N's 300-625 & 300-625BK. The front-feed, 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. The Holley Lo-Ram complete intake manifold kits and throttle body adapters available as a machined casting 300-606 & 300-606BK are 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. |
| Description_MKT | 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 300-603(satin) & 300-603BK(black) front-feed, base-lower intake manifold provides two injectors per cylinder for hi-volume fuel demands, flexible fuel supply strategies, and dual-fuel capability. Offering this base intake manifold with fuels rails separately allows you to select your components individually as you build your induction system. Complete front-feed manifold kits are also available with dual fuel injectors, see P/Ns 300-625 & 300-625BK. The front-feed, 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. The Holley Lo-Ram complete intake manifold kits and throttle body adapters available as a machined casting 300-606 & 300-606BK are 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. |
| Description_SHO | Intake Manifold |
| Engine Make/Size | Gen. III LS1/LS2/LS6 |
| height | 7.6 |
| length | 19.8 |
| Number of Carbs | None; For Fuel Injection |
| Position | Lower |
| RPM Range | 7000-8000 |
| Usage | Racing |
| WARNING CA Proposition 65 | No |
| weight | 18.7 |
| width | 14.7 |