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Legendary Holley carburetors have powered professional racers to victory for years, and you can bolt the same technology onto your engine. Every Holley carb is built...
Legendary Holley carburetors have powered professional racers to victory for years, and you can bolt the same technology onto your engine. Every Holley carb is built in the USA and 100-percent flow tested for no-hassle, out-of-the-box performance. Holley fuel pumps, fuel injectors, throttle bodies, and EFI system are manufactured using that same proven quality control. Bring a renowned Holley carburetor, fuel pump, or any other high-quality air and fuel system part to your street machine, competition vehicle, boat, or daily driver. Shop Holley at Summit Racing now!
Legendary Holley carburetors have powered professional racers to victory for years, and you can bolt the same technology onto your engine. Every Holley carb is built in the USA and 100-percent flow tested for no-hassle, out-of-the-box performance. Holley fuel pumps, fuel injectors, throttle bodies, and EFI system are manufactured using that same proven quality control. Bring a renowned Holley carburetor, fuel pump, or any other high-quality air and fuel system part to your street machine, competition vehicle, boat, or daily driver. Shop Holley at Summit Racing now!
Holley tach input ignition adapters are only used on applications using a CD box, such as an MSD 6AL, while not using timing control. They plug into the connector labeled "ignition" on the main harness. The loose yellow/black lead connects to the "Tach Out" terminal of the ignition box. Never connect this wire directly to the ignition coil.
Not Yet Reviewed
$23.66
Holley EFI tachometer gauges complement your other instrumentation with precision and style. Designed specifically for use with Holley EFI systems, they also work as standalone units. The dials are available in multiple size options, as well as your choice of black or white numerals and background face. These tachs are compatible with all Holley EFI touch screens, dashes, hand-held tuners, and other CAN devices—making them great for Holley EFI users looking to install a combination of needle gauges and LCD accessories. Holley EFI tachometer additional details: * Will work with both distributor and distributor-less ignitions without requiring any special tach adapters * Practically universal, works with most gasoline engines—and is programmable from 0.5 to 6 pulses-per-revolution (PPR) * Slim-style mounting requires very little dash space for installation * 240-degree sweep pointer from 8 to 4 o'clock makes gauges more natural to read at a glance * Internal microprocessor ensures accurate pointer movement in street and racing conditions * Spin-lock ring threads to the back of gauge case for simple and secure gauge mounting * CNC-machined billet aluminum threaded bezels with anodized finish
( 4 )
$291.95
Holley EFI tachometer input ignition adapters are for applications using a CD Box, such as an MSD 6AL, while not using timing control. They're designed for use with Sniper 2 EFI systems and external ignition control boxes with tachometer signal output. Not for direct connection to coil.
Not Yet Reviewed
$28.01
On Sale
Holley EFI tachometer input conditioners help stabilize noisy tach inputs to your 7 in. standalone digital dash. If the rpm on the dash reads erratically, these conditioners will eliminate "jittery" signals when using points/tach pin B5 to provide rpm to the standalone digital dash.
( 2 )
$44.75
$24.61
Want to make the switch from the original Sniper EFI to Sniper 2 and don't want to rewire your system? This harness is designed to do exactly that! The Holley Sniper adapter harness is a plug-and-play solution to connect your existing Sniper 1 wiring harness to a Sniper 2 throttle body! It can be used with any Sniper 2 system that is not equipped with a power distribution module (PDM). Simply remove your Sniper EFI throttle body from the intake manifold, unplug all of the connectors, and plug the Sniper EFI 2 adapter harness into your existing main harness. Cycle your ignition key, run a fresh wizard on the display of your choosing, and enjoy the benefits of Sniper EFI 2. Make the switch to Sniper 2 in minutes! Sniper EFI 2 is a high performance electronic fuel injection system designed for a wide range of engines and horsepower goals. It provides improved engine performance, better fuel efficiency, and easier starting, making it the perfect upgrade for any enthusiast looking to take their ride to the next level. With its easy installation and advanced technology, the Sniper EFI 2 is the ultimate fuel injection system for any conventional V8 engine. Features: * Update your Sniper 1 to Sniper 2 in less than an hour: One-step, plug-and-play upgrade from your existing Sniper EFI install to a Sniper 2 throttle body * Eliminates the need to rewire your existing Sniper EFI installation * The wiring harness included with the Sniper 2 kit will not be used. This adapter is intended to be used with the original Sniper EFI wiring harness and new Sniper 2 EFI throttle body Sniper 2 EFI benefits: * (NEW) Next Generation ECU features improved RF noise and interference resistance (stands up to old car wiring, noisy alternators, faulty plug wires)  * (NEW) "Hidden Harness" wiring harnesses exit from the rear of throttle body for a clean appearance  * (NEW) Inputs and outputs consist of: 2x ground inputs, 2x ground outputs, 1x TPS output (0-5 V) and 1x tach output  * (NEW) Next Generation mil-spec style M8 positive lock connector for CAN1 and CAN2 provides the latest in CAN bus technology for a simple yet robust connection 
( 2 )
$56.09
Want to make the switch from the original Sniper EFI to Sniper 2 and don't want to rewire your system? The new Holley Sniper 2 fuel injection upgrade kits are designed to do exactly that! Included with each Sniper 2 plug-and-play upgrade system is an adapter solution that connects your existing Sniper EFI wiring harness to a Sniper 2 throttle body in minutes. Simply remove your Sniper EFI throttle body from the intake manifold, unplug all connectors, reinstall the Sniper 2 throttle body, and plug the Sniper EFI 2 adapter harness into your existing main harness. Cycle your ignition key, run a fresh wizard on the display of your choice, and enjoy the benefits of Sniper 2 EFI. The #1 EFI conversion system just got better! Introducing Sniper 2 EFI—a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. Holley took everything that they learned from the original Sniper EFI system and added 14 new features that will make your EFI conversion simpler, more reliable, and modern. Like all Sniper EFI systems, Sniper 2 is designed to work with the Sniper ecosystem that includes Hyperspark ignition, complete fuel systems, multiple user interfaces/dash displays, and more. Make your classic drive like a modern fuel injected vehicle, including easy cold starts, smooth drivability, and improved fuel economy! Sniper 2 is designed to be installed at home in your garage with limited tools and the support of Holley's comprehensive installation manual and videos. The user-friendly setup wizard allows you to answer a few simple questions about your engine and the system will self-tune with no laptop or tuning required. If you're looking for a high-performance fuel injection system that delivers power, efficiency, and ease of use, look no further than the Sniper 2 EFI. Four total upgrade kits are available: polished and black, with or without external fuel pressure regulator (required for Sniper 2). Upgrade kit features: * Update your Sniper EFI to the new, improved Sniper 2 in less than one hour! * Eliminates the need to rewire your existing installation; one step, plug-and-play upgrade to a Sniper 2 * Improve your ride with the Sniper 2, including wireless connectivity, smooth throttle feel, improved RF resistance, and a hidden wiring harness. * Reuses existing coolant temperature and oxygen sensors * Female -6 AN O-ring fittings for a tight seal * Overall height is only 3.280 in. to fit under most hoods * Supports up to 650 hp naturally aspirated or 575 hp on boost with four 100 lbs.-hr. injectors * Requires 55-65 PSI of regulated fuel supply * Next generation ECU features improved RF noise and interference resistance (stands up to old car wiring, noisy alternators, faulty plug wires) * Redesigned throttle shaft and plate geometry for a smoother throttle feel * Sniper 2 is part of the Sniper EFI complete ecosystem * Available with fuel system kits: that include an adjustable external regulator, fittings, and a 3 ft. section of fuel hose, allowing you to easily mount your regulator in the engine bay Additional NEW features: * Integrated transmission kickdown provisions for GM TH350/400, 200-4R/700R4 and Ford C4/C6 applications * "Hidden Harness" wiring exit from the rear of throttle body for a clean appearance * Inputs and outputs consist of: 2x ground inputs, 2x ground outputs, 1x TPS output (0-5 V), and 1x tach output * Redesigned injector connector for improved reliability * Onboard contactless magnetic TPS sensor ensures an accurate TPS reading * Next generation mil-spec style M8 positive lock connector for CAN1 and CAN2 provides the latest in CAN bus technology for a simple yet robust connection * Cast-in fuel crossover from the primary to secondary fuel rail * Sniper 2 throttle bodies are serialized, which provides an improved experience in the event of any unit needing to be inspected
( 18 )
$999.95
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$1,399.95
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