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Holley EFI





Holley EFI
Holley EFI

Holley is quickly becoming The New Standard In EFI! Holley's HP ECU is standard equipment on the 2013/2014 Chevrolet COPO Camaro and Holley's EFI throttle body powers every NASCAR Sprint Cup Series team. Top racers are making the switch to Holley EFI every day. Racers like Tom Bailey who set three new records and took the overall event win on the 2013 Hot Rod Magazine Drag Week and John Scali who used it to win the 2013 JEGS All Star race. But that's not all. The world's best street machine builders and tuners are making the switch to Holley EFI. Builders like Dave Lane who used Holley EFI to power the 2013 Goodguys Hot Rod of the Year and tuners like Steve Morris who use it to build some of the baddest forced induction beasts on the planet. It's the easiest, most refined, feature-rich system that money can buy. But, don’t take our word for it, see what the best are saying about Holley EFI!




BRAND- ITEM Model Price
Holley EFI TERMINATOR EFI 2x4 Main Harness Holley EFI

Holley EFI TERMINATOR EFI 2x4 Main Harness

558-121 $460.95

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Holley EFI TERMINATOR EFI ECU Holley EFI

Holley EFI TERMINATOR EFI ECU

554-119 $2,074.95

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Holley EFI Terminator LS MPFI Kit (1997-2007 GM Truck 4.8L, 5.3L & 6.0L) Holley EFI

Holley EFI Terminator LS MPFI Kit (1997-2007 GM Truck 4.8L, 5.3L & 6.0L)

550-614 $3,215.95

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Holley EFI Terminator LS MPFI Kit (1997-2007 GM Truck 4.8L, 5.3L & 6.0L) Holley EFI

Holley EFI Terminator LS MPFI Kit (1997-2007 GM Truck 4.8L, 5.3L & 6.0L)

550-615 $4,725.95

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Holley EFI Terminator LS MPFI Kit (GM LS2 & LS3 & 2007-2013 GM Truck 4.8L, 5.3L & 6.0L) Holley EFI

Holley EFI Terminator LS MPFI Kit (GM LS2 & LS3 & 2007-2013 GM Truck 4.8L, 5.3L & 6.0L)

550-613 $4,834.95

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Holley EFI Terminator Throttle Body Harness Holley EFI

Holley EFI Terminator Throttle Body Harness

558-439 $229.95

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Holley EFI TERMINATOR X & X MAX Transmission Control Harness (1996-2003 CHRYSLER 46RE) Holley EFI

Holley EFI TERMINATOR X & X MAX Transmission Control Harness (1996-2003 CHRYSLER 46RE)

558-473 $253.95

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Holley EFI TERMINATOR X & X MAX VVT & SRV Harness (2009-2020 CHRYSLER HEMI) Holley EFI

Holley EFI TERMINATOR X & X MAX VVT & SRV Harness (2009-2020 CHRYSLER HEMI)

558-132 $150.95

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Holley EFI TERMINATOR X & X MAX VVT Harness (2009-2020 CHRYSLER HEMI) Holley EFI

Holley EFI TERMINATOR X & X MAX VVT Harness (2009-2020 CHRYSLER HEMI)

558-131 $115.95

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Holley EFI TERMINATOR X Direct Injection Kit w/ LT DI Injector Harness (Early GM LT1, L83 & L86) Holley EFI

Holley EFI TERMINATOR X Direct Injection Kit w/ LT DI Injector Harness (Early GM LT1, L83 & L86)

550-1600 $3,276.95

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Holley EFI TERMINATOR X Direct Injection Kit w/ LT DI Injector Harness (Late GM LT1, L83 & L86) Holley EFI

Holley EFI TERMINATOR X Direct Injection Kit w/ LT DI Injector Harness (Late GM LT1, L83 & L86)

550-1601 $3,276.95

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Holley EFI TERMINATOR X ECU Holley EFI

Holley EFI TERMINATOR X ECU

554-152 $766.95

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Holley EFI TERMINATOR X Fuel Injectors (100 Pound/Hour) Holley EFI

Holley EFI TERMINATOR X Fuel Injectors (100 Pound/Hour)

522-108X $421.95

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Holley EFI TERMINATOR X Fuel Injectors (120 Pound/Hour) Holley EFI

Holley EFI TERMINATOR X Fuel Injectors (120 Pound/Hour)

522-128X $538.95

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Holley EFI TERMINATOR X MAX Direct Injection Kit w/ LT DI Injector Harness & DBW Throttle Body & Transmission Control (Early GM LT1, L83 & L86 & 4L60 & 4L80) Holley EFI

Holley EFI TERMINATOR X MAX Direct Injection Kit w/ LT DI Injector Harness & DBW Throttle Body & Transmission Control (Early GM LT1, L83 & L86 & 4L60 & 4L80)

550-1630 $3,519.95

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Holley EFI TERMINATOR X MAX Direct Injection Kit w/ LT DI Injector Harness & DBW Throttle Body & Transmission Control (Late GM LT1, L83 & L86 & 4L60 & 4L80) Holley EFI

Holley EFI TERMINATOR X MAX Direct Injection Kit w/ LT DI Injector Harness & DBW Throttle Body & Transmission Control (Late GM LT1, L83 & L86 & 4L60 & 4L80)

550-1631 $3,519.95

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Holley EFI TERMINATOR X MAX Direct Injection Kit w/ LT DI Injector Harness & DBW Throttle Body Control (Early GM LT1, L83 & L86) Holley EFI

Holley EFI TERMINATOR X MAX Direct Injection Kit w/ LT DI Injector Harness & DBW Throttle Body Control (Early GM LT1, L83 & L86)

550-1620 $3,469.95

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Holley EFI TERMINATOR X MAX Direct Injection Kit w/ LT DI Injector Harness & DBW Throttle Body Control (Late GM LT1, L83 & L86) Holley EFI

Holley EFI TERMINATOR X MAX Direct Injection Kit w/ LT DI Injector Harness & DBW Throttle Body Control (Late GM LT1, L83 & L86)

550-1621 $3,190.95

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Holley EFI TERMINATOR X MAX Direct Injection Kit w/ LT DI Injector Harness & GM LS DBW Throttle Body & Transmission Control (Early GM LT1, L83 & L86 & 4L60 & 4L80) Holley EFI

Holley EFI TERMINATOR X MAX Direct Injection Kit w/ LT DI Injector Harness & GM LS DBW Throttle Body & Transmission Control (Early GM LT1, L83 & L86 & 4L60 & 4L80)

550-1630LSD $3,906.95

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Holley EFI TERMINATOR X MAX Direct Injection Kit w/ LT DI Injector Harness & GM LS DBW Throttle Body & Transmission Control (Late GM LT1, L83 & L86 & 4L60 & 4L80) Holley EFI

Holley EFI TERMINATOR X MAX Direct Injection Kit w/ LT DI Injector Harness & GM LS DBW Throttle Body & Transmission Control (Late GM LT1, L83 & L86 & 4L60 & 4L80)

550-1631LSD $3,906.95

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Holley EFI TERMINATOR X MAX Direct Injection Kit w/ LT DI Injector Harness & GM LS DBW Throttle Body Control (Early GM LT1, L83 & L86) Holley EFI

Holley EFI TERMINATOR X MAX Direct Injection Kit w/ LT DI Injector Harness & GM LS DBW Throttle Body Control (Early GM LT1, L83 & L86)

550-1620LSD $3,190.95

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