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  • Holley Performance Parts – EFI, Intakes, & More Holley EFI 554-155 WBO2 SENSOR, SNIPER TBI - Automotive oxygen sensor with wiring and connector for fuel injection system.

    Holley Performance Parts – EFI, Intakes, & More

    Holley EFI 554-155 WBO2 SENSOR, SNIPER TBI

    Replacement Bosch Wideband Oxygen sensor for Sniper EFI and Terminator X systems. Features: Anti-Seize pre-applied to sensor threads. Service Oxygen Sensor for Sniper EFI Systems Service Oxygen...

    MSRP: $184.95
    $169.95
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  • Holley Performance Parts – EFI, Intakes, & More Holley EFI 554-140 GPS, DIGITAL DASH, USB, a GPS module with a USB cable attached, designed for performance vehicle tuning and monitoring.

    Holley Performance Parts – EFI, Intakes, & More

    Holley EFI 554-140 GPS, DIGITAL DASH, USB

    Have you been searching for a reason to discard your old noisy mechanical speedometer cable? If so, the Holley GPS Module for our 7" Digital displays should be the next addition to your project...

    MSRP: $122.95
    $112.95
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  • Holley Performance Parts – EFI, Intakes, & More Holley 554-131 Tach Input Conditioner, electronic tach signal conditioner with wiring for automotive use.

    Holley Performance Parts – EFI, Intakes, & More

    Holley 554-131 Tach Input Conditioner

    Designed to eliminate jittery tach signals when using points/tach pin B5 to provide RPM to the 7" Standalone Digital Dash

    MSRP: $51.60
    $26.24
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  • Holley Performance Parts – EFI, Intakes, & More Holley 553-406 DASH BEZELS FOR THE HOLLEY EFI 6.86" DASHES, black dashboard bezel with cutout for display mounting.

    Holley Performance Parts – EFI, Intakes, & More

    Holley 553-406 DASH BEZELS FOR THE HOLLEY EFI 6.86" DASHES

    Dash bezels that are designed to work with the Holley dashes. The bezels are made from a 5/32" thick UV-resistant ABS composite material. Structurally, these bezels are are as strong, or stronger...

    MSRP: $345.95
    $311.95
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  • Holley Performance Parts EFI Dash Panel, black 6.86-inch Pro Dash for automotive performance monitoring.

    Holley Performance Parts – EFI, Intakes, & More

    Holley 553-359 DASH PANEL HOLLEY EFI 6.86" PRO DASH

    The black universal mount dash bezel for the Holley 6.86 inch pro dash is made of UV resistant composite for durability. The overall dimensions are 12 x 21 inches to allow you to trim to fit your...

    MSRP: $281.95
    $259.95
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  • Holley Performance Parts – EFI, Intakes, & More Holley 553-356 DASH PANEL HOLLEY EFI 7" DASH, black dashboard panel with central cutout

    Holley Performance Parts – EFI, Intakes, & More

    Holley 553-356 DASH PANEL HOLLEY EFI 7" DASH

    The black universal mount dash bezel for the Holley 7.5 inch dash is made of UV resistant composite for durability. The overall dimensions are 12 x 21 inches to allow you to trim to fit your...

    MSRP: $281.95
    $259.95
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  • Holley Performance Parts – EFI, Intakes, & More Holley 553-112 PRO DASH 6.86, automotive digital display gauge showing oil pressure, oil temperature, and fuel pressure readings with colorful LED indicators on top.

    Holley Performance Parts – EFI, Intakes, & More

    Holley 553-112 PRO DASH 6.86

    Holley's new 6.86" Pro Dash delivers over 200 monitoring channels of reliable real-time data in a more compact, full HD package suitable for nearly any motorsports application. Be assured that the...

    MSRP: $1,462.95
    $1,349.95
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  • Holley Performance Parts – EFI, Intakes, & More Holley EFI 553-106 HOLLEY EFI DIGITAL DASH, a digital automotive display showing RPM, oil pressure, voltage, and other vehicle data.

    Holley Performance Parts – EFI, Intakes, & More

    Holley EFI 553-106 HOLLEY EFI DIGITAL DASH

    The Holley EFI Digital Dash is completely customizable with a variety of gauge and indicator screens that can be programmed to display any parameter you need. The dash also offers a virtual switch...

    MSRP: $1,037.95
    $967.95
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  • Holley Performance Parts – EFI, Intakes, & More Holley 550-937F TERMINATOR X MPFI FORD FOX 5.0L W/TFI, automotive EFI wiring and electronics kit with various cables, connectors, and control modules.

    Holley Performance Parts – EFI, Intakes, & More

    Holley 550-937F TERMINATOR X MPFI FORD FOX 5.0L W/TFI

    06.05.24IT'S BACK!This system has been put back in to production by Holley! We now have them available for sale again!Take control of your 302ci Small Block Ford engine in your Fox Body Mustang with...

    MSRP: $1,743.95
    $1,649.95
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  • Holley Performance Parts – EFI, Intakes, & More Holley 550-937 TERMINATOR X FORD MPFI KIT, automotive engine management system components including wiring harnesses, control modules, and display unit.

    Holley Performance Parts – EFI, Intakes, & More

    Holley 550-937 TERMINATOR X FORD MPFI KIT

    Take control of your conventional Ford engine with Terminator X! Don't settle for a factory ECU with a cumbersome tuning interface or pre-programmed tuning chip when you can have complete control of...

    MSRP: $1,687.95
    $1,599.95
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  • Holley Performance Parts – EFI, Intakes, & More Holley 550-934 Terminator X Max MPFI with Transmission and Drive-by-Wire, automotive electronic fuel injection system with digital display and wiring harness.

    Holley Performance Parts – EFI, Intakes, & More

    Holley 550-934 Terminator X Max MPFI w/Trans and DBW

    Take control of your LS engine with Terminator X Max! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel...

    MSRP: $2,362.95
    $2,199.95
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  • Holley Performance Parts – EFI, Intakes, & More Holley 550-910 TERMINATOR X 58X/4X EV1 LS MPFI KIT, automotive electronic fuel injection kit with controller and wiring harness.

    Holley Performance Parts – EFI, Intakes, & More

    Holley 550-910 TERMINATOR X 58X/4X EV1 LS MPFI KIT

    Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies...

    MSRP: $1,687.95
    $1,599.95
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  • Holley Performance Parts – EFI, Intakes, & More Holley 550-905 TERMINATOR X 58X/4X EV6 LS MPFI KIT, automotive engine management wiring harness, sensors, and electronic control module kit.

    Holley Performance Parts – EFI, Intakes, & More

    Holley 550-905 TERMINATOR X 58X/4X EV6 LS MPFI KIT

    Take control of your LS engine with Terminator X! Don't settle for a junkyard ECU with a cumbersome tuning interface when you can have complete control of your engine, self-learning fuel strategies...

    MSRP: $1,687.95
    $1,599.95
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