HOLLEY EFI 300-624BK Dual Fuel Injector Intake Manifold Kit 090127080085 Gm LS1/LS2/LS6

( Brand: Holley Efi ), ( Part Type: Fuel Intake Injector Manifold ), ( Material: Aluminum ), ( Color: Black ), ( UPC: 090127080085 ), ( Manufacturer Part Number: 300-624BK )

Review HOLLEY EFI Dual Fuel Injector Lo ram Intake Manifold Kit Gm Ls1/ls2/ls6 fits RAM LS1 LS2 LS6

Introducing the Holley EFI 300-624BK Dual Fuel Injector Lo-Ram Intake Manifold Kit, designed specifically for GM LS1, LS2, and LS6 engines. This high-performance intake manifold kit is engineered to deliver precise fuel delivery and optimal engine efficiency, making it an excellent choice for both street and racing applications.

The Holley EFI 300-624BK kit comes with two Holley 302 Dual Port EFI fuel injectors, each capable of delivering a maximum flow rate of 42.5 lbs/hr at 40 psi. These advanced injectors are designed to provide a uniform fuel spray pattern, ensuring efficient fuel atomization and combustion.

The intake manifold itself is a work of engineering art, featuring a low-ram design that reduces parasitic engine load and improves throttle response. The manifold is constructed from high-quality aluminum and is CNC-machined for exceptional accuracy and durability. It comes with factory-installed, integrated fuel rails, which are designed to work seamlessly with the included dual fuel injectors.

The Holley EFI 300-624BK kit also includes a set of Holley SFI-rated intake elbows and a set of 3/8-inch NPT fuel fittings. These components ensure a secure and leak-free connection between the fuel rail and the fuel system.

Moreover, this intake manifold kit is compatible with various Holley EFI systems, including the Holley EFI AVS, Holley EFI Dominator, and Holley EFI Sniper. It also comes with a detailed installation guide and all necessary hardware for a straightforward installation process.

In summary, the Holley EFI 300-624BK Dual Fuel Injector Lo-Ram Intake Manifold Kit is an excellent upgrade for any GM LS1, LS2, or LS6 engine seeking improved fuel delivery, increased power, and enhanced engine efficiency. With its high-quality construction, advanced fuel injectors, and easy installation process, this intake manifold kit is sure to exceed your expectations and take your engine performance to the next level.

The Holley EFI 300-624BK Dual Fuel Injector Lo-Ram Intake Manifold Kit for GM LS1/LS2/LS6 engines is a performance upgrade that can provide several benefits for your vehicle. Here are some pros and cons to help you make an informed decision:

1. Increased Power: The Holley EFI system is known for its ability to deliver more power and torque compared to the stock fuel system. This can lead to improved acceleration and better overall performance.

2. Flex Fuel Capability: The dual fuel injector setup allows the engine to run on both gasoline and ethanol, providing flexibility in fuel choice and potentially better economy with the use of ethanol.

3. Improved Idle and Throttle Response: The Holley EFI system offers improved idle stability and quicker throttle response, resulting in a smoother driving experience.

4. Easy-to-Use Controls: The Holley EFI system comes with an intuitive and easy-to-use handheld controller, allowing for easy tuning and adjustments.

5. Wide Compatibility: The Holley EFI system is compatible with a wide range of GM LS1/LS2/LS6 engines, making it a versatile option for many applications.

1. Complex Installation: Installing the Holley EFI system can be a complex process, requiring extensive engine knowledge and experience. It may be best to have the installation done by a professional to ensure proper setup and tuning.

2. Cost: The Holley EFI system is a more expensive upgrade compared to the stock fuel system. The cost may be a deterrent for some enthusiasts.

3. Potential for Issues: As with any performance upgrade, there is a risk of potential issues or complications. Proper setup, tuning, and maintenance are crucial to ensure the system functions correctly and reliably.

The Holley EFI 300-624BK Dual Fuel Injector Lo-Ram Intake Manifold Kit for GM LS1/LS2/LS6 engines offers several benefits, including increased power, flex fuel capability, improved idle and throttle response, and easy-to-use controls. However, it also comes with a complex installation process, a higher cost, and the potential for issues. Ultimately, the decision to purchase this kit should be based on your personal preferences, budget, and level of engine expertise. If you are willing to invest the time and money for the potential performance gains, the Holley EFI system could be a worthwhile upgrade for your GM LS engine.

Details:

The plenum top is configured to be fitted with 105mm throttle body part number 112-581 or similar model's. Buyer pays return shipping. These intake manifold and rail kits will work with OE Original Equipment or aftermarket cylinder heads.The 300-624 satin 300-624BK black kit provides two injectors per for hi-volume fuel demands, flexible supply strategies, dual-fuel capability. The Holley LS1/2/6 Lo-Ram intake manifold kits are designed for GM LS Gen III and IV engines equipped with cathedral port cylinder heads.

300-624BK Dual Fuel Injector Lo-Ram EFI Intake Manifold Kit GM LS1/LS2/LS6: Black Finish. The dual fuel injector rail kits come with two sets of brackets. The short runner, low-profile base intake manifold was conceived to package plenum-mounted inter coolers for high-boost turbocharged or supercharged induction systems with a shorter overall height not possible other existing manifolds.

part #: 300624bk prices

• $1299.95-$1306.66

specifications inputmanifolds:

• for models: Ls1, Ls2, Ls6, Ram
• brand: Holley Efi
• part type: Fuel Intake Injector Manifold
• material: Aluminum
• color: Black
• upc: 090127080085
• manufacturer part number: 300-624BK

general inputmanifolds:

• condition: New
• Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds

returns inputmanifolds:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

seller inputmanifolds:

• rating: 98.9%
• city: Bowling Green, Kentucky
• # reviews: 15267

payments inputmanifolds:

• other
• credit card: Discover
• wallet: Apple-pay

offer inputmanifolds:

• availability: In Stock
• sold: 0
• started: July 21, 2025
• quantity: 6
• options: Ship-to-home

shipping inputmanifolds:

• service: UPS Ground
• cost: $0.00
• transit: 3-7 Days
• carrier: UPS
• type: Fixed
• class: Standard

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