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Holley offers a variety of direct replacement EFI wiring harnesses, including multi-port, sequential, and throttle body injection styles. These units are made with premium components to ensure better reliability and performance for your ride--and they're compatible with many engine swaps. Holley EFI systems wiring harnesses are sold individually or as a kit; choose the model needed for your fuel injection application.
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$119.95
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$226.15
Part of Holley's complete line of fuel system products, Holley HP billet fuel pressure regulators are available in a variety of configurations for carbureted or fuel injected engines. Some versions are even adaptable to either carburetors or EFI. They allow you to upgrade a carbureted system to EFI without replacing the fuel pressure regulator. All HP billet fuel pressure regulators feature a 2-port design, provide for precise fuel pressure adjustments, and are available in your choice of demand (no return line) or by-pass (with a return line) styles. Depending on the model, they are for use only with electric fuel pumps, or with either mechanical or electric pumps. Designed for street/strip applications, they are CNC-machined from 6061 T-6 billet aluminum for strength and have bright dip anodized black bodies with clear dip anodized tops for corrosion resistance and good looks. Whatever your fuel system needs, Holley has you covered. Depending on model, features may include: * Adjustable from 4 to 65 psi for use with EFI or carburetors * 4.5 to 9 psi adjustment range for use with carburetors only * EFI-only models are adjustable from 15 to 65 psi * Two port sizes available, 3/8 in. NPT or -6 AN inlet/outlet and return (where applicable) * Fitting for manifold reference * 1/8 in. NPT gauge port * Boost reference--1:1
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$189.95
Holley Sniper 2 EFI throttle body system CAN hubs are cutting edge connectivity solutions designed to enhance your Sniper 2 EFI system's performance and monitoring capabilities. Featuring a high-speed USB laptop connector, each hub facilitates seamless tuning, configuration, and real-time data logging. Included is one M8 Sniper ECU connector for a robust and reliable connection to your engine control unit and three M8 display connectors, allowing for multiple displays to monitor critical engine metrics simultaneously. A USB-C is also included. Holley Sniper 2 EFI system CAN hubs feature a compact and durable design, ensuring they withstand harsh automotive environments, while fitting neatly within your vehicle's engine bay or dashboard. Additional features and benefits: * Enhanced visibility -- Monitor your engine's health and performance easily with multiple display support * Stable and reliable connection -- Direct integration with Sniper ECU ensures a stable and reliable connection * Easy installation -- Plug-and-play connectivity and user-friendly installation for those with limited technical expertise * Multiple display support -- Connect up to three displays simultaneously for a comprehensive view of critical performance metrics
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$139.95
Holley Sniper 2 EFI Bluetooth modules, the cutting-edge solutions designed to take your vehicle's performance to the next level, provide unparalleled control and customization for your engine. Being able to wirelessly connect to your vehicle's EFI system using Bluetooth technology allows the convenience of adjusting and optimizing your engine parameters directly from your iOS or Android-based smartphone. Stay informed about your engine's performance with real-time monitoring, and receive instant updates on crucial metrics, such as fuel injection, air-fuel ratio, ignition timing, and more. Sniper 2 EFI Bluetooth modules empower you to fine-tune your engine parameters to match your specific driving preferences and performance requirements. The intuitive and user-friendly interface of the accompanying Sniper EFI mobile app makes tuning your Sniper 2 EFI system a breeze. Whether you're a seasoned automotive enthusiast or a novice, the Sniper 2 EFI Bluetooth modules ensure a seamless tuning experience for all users. Achieve the perfect balance between power, fuel efficiency, and responsiveness. Features: * Built in Sniper EFI Wizard, basic tuning, advanced tuning, and input/output control, as well as customizable data monitor * Quickly make basic, or advanced tuning adjustments, change rev limiter RPM, or adjust idle settings without firing up a laptop * Explore Sniper EFI ecosystem parts to upgrade your ride, or easily access technical documents and installation articles for immediate assistance * Next generation mil-spec-style M8 positive lock connector makes installation easy and secure
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$223.95
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With Holley Sniper throttle bodies, Holley engineers went back to the drawing board to build the ultimate air valve for your engine! They feature enlarged bore sizes, allowing for increased airflow to support your higher horsepower needs. A progressive throttle pulley enhances low-speed drivability, and a double return spring provides solid and secure throttle control feel. These units are maximized for your application, with a 4-bolt style mounting pattern; most models include bolts and gaskets. Order the throttle body designed for fitment with your year/make and engine family.
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$349.95
$192.95
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$267.95
Help your fuel injection system keep up on measured pressures with these Holley replacement pressure transducers. They include a wiring pigtail, are available for all Holley EFI fuel injection systems, and come in different pressure ranges to suit your engine application requirements.
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$199.95
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$212.95
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