fits model: 400. make: Chrysler.

( Brand: Holley Sniper Efi ), ( Manufacturer Part Number: 565-345 ), ( Part Type: Cap ), ( Color: Silver And Black ), ( Country/region Of Manufacture: Us ), ( UPC: 090127469224 )
The Holley Sniper EFI 565-345 is a high-performance fuel injection system specifically designed for Chrysler 383 and 400 engines. This electronic fuel injection system is part of Holley's Sniper series, which is renowned for its ability to deliver precise fuel delivery and exceptional idle quality.
The heart of this system is the 565-345 ECU (Electronic Control Unit), which is capable of managing up to eight injectors and two oxygen sensors. It comes with pre-loaded calibrations for popular Chrysler applications, making it a great plug-and-play solution for many setups. However, it also offers advanced features for those who want to tune their engine for optimal performance.
The system includes a high-performance 65cc/rev Holley Sniper fuel injector that provides fast response times and consistent fuel delivery. The injectors are capable of delivering up to 345 lb/hr of fuel at 45 psi, making them suitable for high-performance applications. The injectors are also equipped with Holley's Hyperspark II ignition system, which incorporates a precision dual-point distributor and a powerful 12-amp ignition coil. This combination delivers reliable, consistent ignition for optimal engine performance.
The Holley Sniper EFI 565-345 also includes a wiring harness, fuel pressure regulator, fuel filter, and a variety of sensors and connectors. The wiring harness is designed to be easy to install and includes a wiring diagram to make the process as straightforward as possible. The fuel pressure regulator ensures that the fuel system maintains the correct fuel pressure, while the fuel filter keeps the fuel system free of contaminants.
This system also includes a wide range of sensors and connectors that allow it to monitor various aspects of the engine's performance, such as air/fuel ratio, coolant temperature, and manifold absolute pressure. This data can be used to optimize the engine's fuel delivery and ignition systems for maximum performance and efficiency.
Overall, the Holley Sniper EFI 565-345 is a high-performance fuel injection system that is specifically designed for Chrysler 383 and 400 engines. It offers precise fuel delivery, exceptional idle quality, and advanced tuning capabilities, making it a great choice for anyone looking to maximize the performance of their Chrysler engine.
The Holley Sniper EFI 565-345 Hyperspark Cap system is a popular choice for Chrysler 383 and 400 engines due to its advanced fuel injection technology and integrated ignition system. Here are some pros and cons to help you make an informed decision:
Pros:1. Improved Fuel Efficiency: The Holley Sniper EFI system offers precise fuel delivery, which can lead to improved fuel efficiency by ensuring the engine receives only the necessary amount of fuel for optimal performance.
2. Enhanced Power: The system's ability to deliver precise fuel and ignition timing can lead to increased power and torque, making it an attractive option for performance enthusiasts.
3. Easy Installation: The Holley Sniper EFI system is known for its ease of installation, with many users reporting that they were able to complete the process in a weekend or less. The included wiring harness and instructions make the process as straightforward as possible.
4. Integrated Ignition System: The integrated ignition system eliminates the need for a separate ignition box, simplifying the installation process and reducing the overall cost of the system.
5. Adjustable Fuel and Ignition Mapping: The Holley Sniper EFI system offers adjustable fuel and ignition mapping, allowing users to fine-tune the system for their specific engine and driving conditions.
Cons:1. Cost: The Holley Sniper EFI system can be more expensive than traditional carburetors or simpler EFI systems. The integrated ignition system adds to the overall cost, making it a more significant investment.
2. Complexity: While the system is designed to be easy to install, it does require a certain level of mechanical knowledge and experience to properly configure and tune the fuel and ignition mapping.
3. Compatibility: The Holley Sniper EFI system may not be compatible with all Chrysler 383 and 400 engines, so it's essential to check the system's specifications before making a purchase to ensure compatibility.
Conclusion:The Holley Sniper EFI 565-345 Hyperspark Cap system offers several benefits for Chrysler 383 and 400 engine owners, including improved fuel efficiency, enhanced power, easy installation, integrated ignition system, and adjustable fuel and ignition mapping. However, it also comes with some drawbacks, such as a higher cost, complexity, and potential compatibility issues.
Recommendation:If you're looking for a high-performance fuel injection and ignition system for your Chrysler 383 or 400 engine and have the necessary mechanical knowledge and experience to properly configure and tune the system, the Holley Sniper EFI 565-345 Hyperspark Cap system is a solid investment. However, if you're on a budget or prefer a simpler solution, a traditional carburetor or a less expensive EFI system may be a better option. Ultimately, the decision depends on your specific needs, budget, and technical abilities.
Precision shutter wheel provides the ECU a clean rpm signal via single Hall Effect sensor, ensuring accurate timing even at high engine. Shutter wheel design allows for a timed sequential fueling strategy with Terminator X, HP, and Dominate ECU designed to work with HyperSpark ignition coil PN 556-152, also compatible most canister coils using the supplied ring terminals. 565-345 HyperSpark Small Cap - Chrysler 383, 400: 483.95: Ready-to-Run Distributor, 383-400 Chrysler, Cast Gear.
Buyer pays return shipping. The design includes a single Hall Effect sensor providing engine rpm to the ECU. HyperSpark Ready to Run adds plug and play ignition timing control any Holley EFI system. Easiest plug-and-play way to add timing control any Sniper EFI installation.
Patented clear installation cap eliminates any confusion while installing the distributor. Built-in ignition coil driver, safely provides enough spark energy for applications up to 450 hp. They can also be used with other EFI systems that support a Hall Effect crank signal input. Cast aluminum distributor housing looks right at home in nearly every engine.
The precision shutter wheel design ensures accurate timing, even at very high engine speeds. Comes with cast gear installed - contact camshaft manufacturer for recommended material. This line of distributors comes with a built-in ignition coil driver, removing the need mounting an box or external driver.