HOLLEY SNIPER EFI 565-311 Hyperspark Distributor 090127060513 V8 215-350

( Brand: Holley Sniper Efi ), ( Manufacturer Part Number: 565-311 ), ( Part Type: Distributor ), ( Color: Shiny ), ( Material: Billet Aluminum ), ( UPC: 090127060513 )

Review HOLLEY SNIPER EFI Hyperspark Distributor Buick V8

The Holley Sniper EFI 565-311 Hyperspark Distributor is a high-performance fuel injection system designed specifically for Buick V8 engines with displacements between 215 and 350 cubic inches. This distributor is part of Holley's Sniper EFI series, which is renowned for its ability to deliver precise fuel delivery and ignition timing for optimal engine performance.

The heart of this distributor is the Sniper EFI 565 ECU (Electronic Control Unit). This powerful microprocessor-controlled unit manages fuel injection, ignition timing, and various other engine management functions. The ECU is engine-specific, meaning it is programmed to work optimally with a Buick V8 engine in the specified size range.

The distributor also features a Hyperspark 2-step rev limiter. This innovative feature uses two spark plugs per cylinder to provide a strong initial spark for quick starting and acceleration, followed by a secondary spark for high RPM performance. The result is a more responsive and powerful engine.

The Holley Sniper EFI 565-311 Hyperspark Distributor is compatible with various fuel systems, including E85 and methanol, making it a versatile choice for racers and enthusiasts. The distributor comes with a wiring harness that plugs directly into the ECU, simplifying installation and reducing the need for custom wiring.

The distributor housing is made of high-quality aluminum, ensuring lightweight yet robust construction. The vacuum secondary advance provides improved idle quality and drivability, while the built-in temperature compensation helps maintain consistent fuel delivery in varying conditions.

The Holley Sniper EFI 565-311 Hyperspark Distributor is a complete, plug-and-play solution for Buick V8 engines in the specified size range. It offers precise fuel delivery, advanced ignition control, and various engine management features, making it an excellent choice for those seeking high performance and reliability.

The Holley Sniper EFI 565-311 Hyperspark distributor for Buick V8 engines with a displacement of 215-350 cubic inches is a performance-oriented electronic fuel injection system designed to provide better fuel delivery, improved idle quality, and enhanced drivability. Here are some pros and cons to help you decide if this product is suitable for your specific needs:

1. Improved Fuel Efficiency: The Holley Sniper EFI system is known for its ability to optimize fuel delivery, resulting in improved fuel efficiency and reduced emissions.

2. Better Idle Quality: The system offers precise idle control and stabilization, which can be especially beneficial for older Buick V8 engines that may struggle with uneven or erratic idle.

3. Enhanced Power: With the ability to deliver precise fuel delivery, the Holley Sniper EFI system can help unlock additional horsepower and torque, making your Buick V8 engine more responsive and powerful.

4. Easy Installation: The Holley Sniper EFI kit comes with a wiring harness, fuel pressure regulator, and other necessary components to make the installation process as straightforward as possible.

5. Flexible Tuning Options: The system offers various tuning options, including adjustable fuel pressure, idle adjustment, and various fuel and timing maps, allowing you to customize the engine's performance to your specific requirements.

1. Cost: The Holley Sniper EFI system can be more expensive compared to traditional carburetors or simpler EFI systems.

2. Complexity: The installation and tuning process for the Holley Sniper EFI system can be more complicated than a traditional carburetor, requiring a good understanding of fuel injection systems and potentially additional tools and resources.

3. Potential Compatibility Issues: It's important to ensure that the Holley Sniper EFI system is compatible with your specific Buick V8 engine and transmission before making a purchase.

4. Ongoing Maintenance: Fuel injection systems, in general, require more ongoing maintenance compared to carburetors, including regular fuel filter changes and occasional system checks.

The Holley Sniper EFI 565-311 Hyperspark distributor is an excellent option for Buick V8 engine enthusiasts looking to improve fuel efficiency, idle quality, and power. With its flexible tuning options and easy installation, this system can help unlock the full potential of your engine. However, it's essential to consider the potential costs, complexity, and compatibility issues before making a purchase. Ultimately, if you're willing to invest time, resources, and money into a high-performance EFI system for your Buick V8 engine, the Holley Sniper EFI 565-311 Hyperspark distributor is a solid choice.

If you're considering the Holley Sniper EFI 565-311 Hyperspark distributor for your Buick V8 engine, I would recommend doing thorough research on the system's compatibility with your specific engine and transmission. Additionally, be prepared for the potential complexity of installation and ongoing maintenance. Consider seeking advice from a professional mechanic or joining online forums to learn from the experiences of other Buick V8 enthusiasts who have used this system. If you're confident in your ability to install and tune the system yourself, and you're willing to invest in the ongoing maintenance, the Holley Sniper EFI 565-311 Hyperspark distributor can be an excellent choice for enhancing the performance of your Buick V8 engine.

Details:

565-311 HyperSpark Distributor - Buick V8 215-350: Shiny Billet Housing Fits 215, 3 340, 350 engines. Comes with Cast Gear Installed - contact camshaft manufacturer for recommended gear material. A signature is required on all UPS orders over $750. HyperSpark distributors are plug and play with all Holley Sniper EFI systems, featuring a high-quality billet distributor housing, hall effect crank trigger sensor, they come included the foolproof patented clear installation cap.Hyperspark CD Ignition Box 556-152 Coil 556-151 sold separately.

Buyer pays return shipping.

part #: 565311 price

• $649.95

specifications disripa:

• for makes: Buick
• brand: Holley Sniper Efi
• mpn: 565-311
• part type: Distributor
• color: Shiny
• material: Billet Aluminum
• upc: 090127060513

payments disripa:

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

general disripa:

• Car Truck Parts Accessories > Ignition Systems Components > Distributors
• condition: New

seller disripa:

• # reviews: 14335
• rating: 98.8%
• city: Bowling Green, Kentucky

returns disripa:

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

shipping disripa:

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

offer disripa:

• options: Ship-to-home
• started: March 20, 2025
• sold: 0
• availability: In Stock
• quantity: 4

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