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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
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$291.95
$262.75
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$291.95
Holley Commander 950 wideband replacement O2 sensors are the ultimate additions to any new or existing Commander 950 EFI system. They plug directly into any Commander 950 harnesses and accurately measure any air/fuel ratios between 10:1 and 20:1. This allows the engine tuner to read the air/fuel ratios in real time for extremely precise tuning. These sensors are designed for use with Holley controllers only. They are not intended to be replacement sensors for factory fuel injected vehicles.
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$368.95
On Sale
Holley's incredible line of digital precision gauges with an analog-look includes Holley GPS speedometers. They're offered in 3 3/8 in. and 4 1/2 in. diameter versions, with black or white face. You won't find a better GPS-based speedometer on the market. No connection to the transmission is required, so they're a breeze to install. In addition to mph, they show quarter-mile time; 0-60 mph time; mileage/trip odometer; direction; and time of day. Additional GPS speedometer details: * GPS antenna with a 15 ft. long cable allows you to place the antenna in the most convenient location—nearly anywhere in or on the vehicle * Hot-start feature means that the GPS is usually displaying speed data within 2-3 seconds of power-up * Compatible with Holley EFI touch screens, dashes, hand-held tuners, and other CAN devices * 240-degree sweep pointer from 8 to 4 o'clock makes them easy to read at a glance * Internal microprocessor ensures accurate pointer movement in street and racing conditions * Spin-lock ring threads to the back of the gauge case for simple and secure mounting * CNC-machined billet aluminum bezels with anodized finish—threaded for easy replacement
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$399.95
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$476.95
$359.95
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$428.95
Introducing the Holley EFI Single-Channel EGT kits! They keep you in-the-know about what's going on with your engine. Exhaust gas temperature data is critical information when your engine tune-up seems to be on the ragged edge. Knowing the exhaust temp can help you identify potential horsepower left on the table, or pinpoint any weak links in your max effort race engine. Holley offers these EFI Single-Channel EGT kits for non-Holley applications, as well as compatibility with HP Tuners, Dominator EFI, and Terminator X. Order the Holley EFI Single-Channel EGT kit to meet your application needs. Kit features, specs, and parts may include: * Single-Channel CANbus EGT controller module for quick and easy installation with Holley EFI—or Single-Channel Analog EGT controller with unterminated output wires for universal installations (please specify when placing order) * High-quality 1/4 in. stainless steel EGT weld bung * Robust 1/4 in. probe designed to withstand extreme cylinder pressures * Sensor (included) is designed to work with any engine combination, with an open reinforced tip for the fastest response rate and improved shielding
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$312.95
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