DESIGN-302-63 HOLLEY Supercharged Rear Sump Hemi

Review HOLLEY Fits Gen 6.2l Supercharged-rear-sump for HEMI

Introducing the Holley 090127126400 Gen II EFI System for 2015 Dodge Charger Hellcat 6.2L Supercharged Rear Sump Design engines. This advanced fuel system is specifically engineered to deliver precise and consistent fuel delivery for optimal performance and drivability.

The Holley Gen II EFI System is built around a powerful ECU that utilizes state-of-the-art fuel mapping capabilities to provide superior fuel control. The system features a 60-pound-per-hour high-flow fuel pump that can handle the demands of the Hellcat engine, ensuring a steady fuel supply even under heavy acceleration.

The system's rear sump design is optimized for the Supercharged Hellcat engines, providing improved oil separation and fuel pickup. This design helps prevent fuel from entering the oil system, reducing the risk of oil dilution and ensuring longer engine life.

The Holley 090127126400 EFI System also includes a high-flow fuel filter to help remove contaminants and maintain fuel system efficiency. The system's advanced fuel pressure regulator maintains consistent fuel pressure, ensuring that the engine receives an optimal fuel mixture for maximum power and efficiency.

The system comes with a full wiring harness, fuel rails, and all necessary sensors to make installation easy and straightforward. The Holley EFI System is also compatible with Holley's EFI Calibration Software, allowing you to easily customize fuel maps and calibrate the system to your specific driving style and engine modifications.

In summary, the Holley 090127126400 Gen II EFI System is a high-performance fuel system specifically designed for the 2015 Dodge Charger Hellcat with Supercharged 6.2L Rear Sump engines. It offers precise fuel delivery, advanced fuel mapping capabilities, and a robust design to ensure optimal performance and longevity for your Hellcat engine.

The Holley 090127126400 Gen Hemi Hellcat 2015 6.2L Supercharged Rear Sump Design 302-63 is a performance fuel system designed for the 2015 Dodge Challenger Hellcat and Charger Hellcat. This system is an upgrade from the factory fuel system and is designed to provide improved fuel delivery for higher horsepower applications. Here are some pros and cons to consider before making a purchase.

1. Improved Fuel Delivery: The Holley system is designed to deliver more fuel to the engine, which is necessary for increased horsepower and improved engine performance.

2. High-Quality Components: The system is made with high-quality components, including a billet aluminum fuel pump housing and a Holley SysteMAX fuel pressure regulator.

3. Better Fuel Pressure: The system can provide up to 6 psi of fuel pressure, which is higher than the factory fuel system.

4. Improved Fuel Filtering: The system includes a high-performance fuel filter, which helps to remove contaminants from the fuel before it reaches the engine.

1. Cost: The Holley fuel system is more expensive than the factory system, which can be a deterrent for some buyers.

2. Installation Complexity: The installation of the Holley fuel system can be more complex than the factory system due to the additional components and modifications required.

3. Fuel Pressure Regulation: Some users have reported issues with fuel pressure regulation, which can lead to engine performance issues.

4. Potential Fuel Leaks: The Holley fuel system includes additional fuel lines and connections, which can increase the risk of fuel leaks if not installed correctly.

The Holley 090127126400 Gen Hemi Hellcat 2015 6.2L Supercharged Rear Sump Design 302-63 is a high-performance fuel system that can provide improved fuel delivery, better fuel filtering, and higher fuel pressure for the 2015 Dodge Challenger Hellcat and Charger Hellcat. However, it comes with some drawbacks, including a higher cost, installation complexity, potential fuel pressure regulation issues, and an increased risk of fuel leaks.

If you are looking to maximize the performance of your Hellcat, the Holley fuel system can be a worthwhile investment. However, it is important to keep in mind the potential challenges and complexities that come with the installation and use of the system. It is recommended to work with a qualified installer or mechanic to ensure proper installation and configuration of the system.

Details:

Natural as-cast aluminum finish. Condition: new. Fits 1972-1993 dodge d100/d150/w100/w150 trucks, 1987 -2004 Dakota, and 1973 1987 gm c10 trucks.

Unique o-ring seal to block with captured vintage tray patent pending. Mopar popular gen iii Hemi engines are ideal for swapping into many trucks since they durable, reliable, and make great power. Brand: Holley. Works with most factory aftermarket dipsticks.

Complete oil pan kit with includes the pan, pickup assembly, o-ring seal, vintage tray, baffling mounting bolts no extras that must be purchased separately. Covers the lower portion of bell-housing to keep dirt out or transmission. The cast aluminum construction integrated vintage tray on the oil pans combined with o-ring sealing provide an attractive leak-free solution for your engine swap. These new cast aluminum oil pans patent pending fit 1972-1993 dodge d100/d150/w100/w150, 1987 -2004 Dakota, 1974-1993 ram charger, and 1974-1981 trail duster.

Complete oil pan kit that includes all the parts needed for installation .e. Features:: most factory cast aluminum oil pans on gen-iii Hemi engines don't fit or hang too low for engine swaps. The factory oil pans on these engines usually don't fit and hang too low for your swap. Integrated vintage tray baffle to control oil fits up 4.06-inch stroke.

Cast aluminum rear-sump engine swap oil pan.

specifications oilpanpete:

• for models: Hemi
• brand: Holley
• part type: Sump
• upc: 090127126400

seller oilpanpete:

• # reviews: 9841
• rating: 99.2%
• city: wadsworth, ohio

general oilpanpete:

• category: Auto Parts > Car Truck Accessories > Engines > Oil Pans

shipping oilpanpete:

• transit: 3-9 days
• carrier: ups
• service: ups ground
• class: standard
• type: fixed

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• other
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• credit card: discover

offer oilpanpete:

• in stock #: 5
• prices: $474.95–$498.70
• item condition: New
• sold #: 15
• started: january 27, 2026
• availability: in stock
• options: ship-to-home

returns oilpanpete:

• time: 30 days
• paid by: seller
• policy: returns accepted