HOLLEY EFI 300-620 Modular Manifold 090127077542 LS1/2/6

( Brand: Holley Efi ), ( Part Type: Manifold ), ( Material: Aluminum ), ( Color: Silver ), ( UPC: 090127077542 ), ( Manufacturer Part Number: 300-620 )

Review HOLLEY EFI Modular Lo ram Manifold Ls1/2/6 fits RAM LS1

The Holley EFI 090127077542 300-620 Modular LO-RAM Manifold is a high-performance intake manifold designed for LS1, LS2, and LS6 engines. This intake manifold is part of Holley's EFI line, ensuring seamless integration with Holley EFI systems.

This intake manifold is a modular design, which means it is configurable to fit various engine setups. It comes with two runners, allowing it to accommodate 300 to 620 CFM Holley EFI carburetor-style throttle bodies. The manifold's LO-RAM design reduces turbulence and promotes smooth airflow into the engine, contributing to improved power and torque.

The Holley EFI 090127077542 intake manifold is made from high-quality aluminum, ensuring durability and lightweight construction. It features a polished finish that not only adds an aesthetic appeal but also helps in heat dissipation. The manifold's flange gasket is made from a high-temperature material, ensuring a proper seal and preventing leaks.

The intake manifold's runners are designed with a tuned length and optimized port shape to maximize airflow and fuel mixture. The manifold also includes integrated fuel rails, providing a neat and tidy installation. The runners are equipped with 1/8 NPT fuel injection fittings, making it easy to connect the fuel lines.

The Holley EFI 090127077542 Modular LO-RAM Manifold is an excellent choice for enthusiasts looking to upgrade their LS engine's intake system for improved performance and power. Its modular design, high-quality construction, and seamless integration with Holley EFI systems make it a top pick for serious engine builders and performance enthusiasts.

The Holley EFI 090127077542 300-620 Modular LO-RAM Manifold is a fuel injection system designed for LS1, LS2, and LS6 engines. This manifold offers several benefits and drawbacks that are essential to consider before making a purchase.

1. Fuel Injection: The Holley EFI system provides more precise fuel delivery compared to a carburetor. This results in improved engine performance, increased power, and better fuel economy.

2. Easy Installation: The modular design of the manifold makes installation relatively simple. It can be installed in a few hours with basic hand tools.

3. Adjustability: The Holley EFI system comes with adjustable fuel pressure and idle mixture control. This allows users to fine-tune the fuel mixture for optimal performance.

4. Compatibility: This manifold is compatible with a wide range of LS engines, making it a versatile option for those with different engine configurations.

5. Improved Emissions: The fuel injection system can help improve emissions by providing more precise fuel delivery, reducing the amount of unburned fuel that is released into the exhaust.

1. Cost: The Holley EFI system is more expensive than a carburetor setup. The manifold alone costs several hundred dollars, and additional costs may include sensors, wiring harnesses, and other components.

2. Complexity: Fuel injection systems are more complex than carburetors. This means that there is a steeper learning curve when it comes to tuning and maintaining the system.

3. Sensor Failures: The Holley EFI system relies on several sensors to function correctly. If any of these sensors fail, it can result in a decrease in performance or even engine damage.

4. Compatibility Limitations: While the manifold is compatible with a wide range of LS engines, it may not be compatible with all engine configurations or modifications.

The Holley EFI 090127077542 300-620 Modular LO-RAM Manifold offers several benefits, including improved fuel delivery, ease of installation, adjustability, compatibility, and emissions. However, it also comes with some drawbacks, such as cost, complexity, sensor failures, and compatibility limitations.

If you are looking for improved engine performance, precision fuel delivery, and the ability to fine-tune your fuel mixture, then the Holley EFI system is a worthwhile investment. However, it is essential to consider the additional costs, complexity, and compatibility limitations before making a purchase. If you are on a budget or prefer a simpler setup, a carburetor may be a better option for you. Ultimately, the decision depends on your specific needs, budget, and level of experience with fuel injection systems.

Details:

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. 300-620 Holley Modular Lo-Ram EFI Manifold LS1/2/6: Kit - LS1/2/6. The Lo-Ram intake manifolds are designed for forced induction supercharged or turbocharged engine applications and the 105mm throttle body part number 112-581 similar model's. Buyer pays return shipping.

The base intake manifold is designed with a low height to aid the packaging of plenum-mounted air-to-water inter cooler in top-feed configuration.The 300-620 plenum entry configuration allow included Hi-Ram 105mm top be fitted low-profile. These intake manifolds will work with OE or aftermarket cylinder heads.

specifications inputmanifolds:

• for models: Ls1, Ram
• brand: Holley Efi
• part type: Manifold
• material: Aluminum
• color: Silver
• upc: 090127077542
• manufacturer part number: 300-620

returns inputmanifolds:

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

offer inputmanifolds:

• sold: 0
• started: April 10, 2025
• quantity: 3
• availability: In Stock
• options: Ship-to-home

seller inputmanifolds:

• rating: 98.7%
• # reviews: 14543
• city: Bowling Green, Kentucky

general inputmanifolds:

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

shipping inputmanifolds:

• cost: $0.00
• transit: 2-6 Days
• class: Standard
• service: UPS Ground
• type: Fixed
• carrier: UPS

payments inputmanifolds:

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

Holley Efi 300-620 Is Similar To:

• Weiand 2991-2993 Big Block Chev 2991 2993 Tunnel Ram Holley Dominator Top (17.6% similar) Weaned dominate 4500 tunnel ram top used good condition 2991 2993...(June 3rd, 2024)
• Holley 300-120 Ls Carbureted Manifold 2x4 Dual Plane (47.9% similar) Cast aluminum construction. The dual-plane equal-distribution layout produces great mid-range torque without compromising top end power. Appropriate for any street/performance, muscle car, or street rod enthusiast. Holley 300-120 ls carburetors manifold - 2X4 dual plane. The Holley gm...(June 4th, 2024)
• Holley 300-126bk Ls Modular Mid-rise Intake (47.2% similar) American express...(June 5th, 2024)
• Holley 300-213 Hi-ram Lower Manifold Gm Ls3 l92 (55.4% similar) 300-213 Holley hi-ram lower manifold - gm LS3/L92: carburetors base only plenum-top-mounting fabrication flange available ;plenum top gasket type 3/32 round o-ring cord; mounting standard LS3 molded o-ring; port size 2.49 height x 1.21 wide; runner length 6.50, as-cast cross-sectional area...(June 6th, 2024)
• Holley 300-113 Hi-ram Intake Gm Ls3 l92 (44.2% similar) Coupling this hi-ram intake with the high flowing LS3/L92 cylinder heads has outstanding potential for n/a and forced induction applications at a budget-minded cost. The base is designed to be modular in configuration accept a wide range of carburetors and Efi tops attractive builders...(June 8th, 2024)
• Holley 300-226 Hi Compatible With replacement For Ram Itake Base Carb Ls1 ls2 ls6 (41.1% similar) Style: tunnel ram. Operating range high: 8000 rpm. Port size height : 2.49 in. Engine deck: oem. Hardware included: no. Holley hi ram intake base - carb LS1/LS2/LS6 300-226. Base only: yes. Cast/fabricated: cast. Gaskets included: no. Finish: natural. Material: aluminum...(June 8th, 2024)
• Holley 300-226bk Hi-ram Lower Manifold Gm Ls1 ls2 ls6-black (54.8% similar) A signature is required on all ups orders over $750. Buyer pays return shipping. 300-226BK Holley hi-ram lower manifold - gm LS1/LS2/LS6-BLACK: LS1/LS2/LS6 cathedral port carburetors base only plenum-top-mounting fabrication flange available ;port size 2.49 height x 1.21 wide; mounting gasket...(June 9th, 2024)
• Holley 300-303 86-95 Mustang Gt 5.0 Sbf Hi-ram Intake Manifold Top Plate 95mm (44.3% similar) It is in perfect working order. All threaded holes and gasket surfaces are perfect. Shipping is free of charge. 1986 -1995 mustang 5.0L Holley 95MM hi-ram side mount top plate. Please view the pictures provided as it will come exactly shown...(June 15th, 2024)
• Chevrolet 3886948 Camaro Corvette Chevelle Bbc Intake Manifold Holley (25.8% similar) This is the original Holley iron manifold by Chevrolet. Original on my 68 375 horse Camry but was used the shovelled corvette high oval port motors...(June 27th, 2024)
• Holley 701r-7 Mopar Street Dominator Intake Manifold 4b Aluminum Small Block318 340 360 (40% similar) This is a good used holly intake for small block Mopar all thread ls are in shape, it dose have couple layers of paint but would clean up nice...(June 27th, 2024)
• Edelbrock Tr1y Vintage Tunnel Ram Small Block Chevy 2x4 Holley Sbc 327 350 (16.1% similar) The intake is in nice shape with no type of damage or repairs to be seen. This is designed to be used with 2 Holley or outbreak carburetors. Up for sale is a nice used small block Chevy outbreak TR1Y tunnel ram. Has not been ported or milled. Correct for any 1955 -1985 Chevy small block...(July 11th, 2024)