EFI Systems & Accessories
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Dominator EFI Kit Universal Vehicle Management System w/COP 550-654
HOLLEY
$3,249.95Dominator EFI Kit Universal Vehicle Management System w/COP 550-654 Fits Domestic V8 engines, such as conventional push rod Chevrolet and Chrysler engines with Coil on Plug ignition and EV1 Injectors Dominator® EFI Vehicle Management Systems...550-654$3,249.95 -
Holley Terminator X / X Max EFI Bluetooth Module 558-483
HOLLEY
$224.95Holley Terminator X / X Max EFI Bluetooth Module 558-483 Unlock the full potential of your Terminator X EFI system with the Terminator X EFI Bluetooth Module - the ultimate tool for wireless tuning and real-time engine monitoring. This advanced...558-483$224.95 -
On Sale
Holley EFI LS (58X/4X) Engine Main Harness Extended for HP EFI/Dominator EFI 558-134
HOLLEY
Now: $604.95Was: $672.95Holley EFI LS (58X/4X) Engine Main Harness Extended for HP EFI/Dominator EFI 558-134 LS2/3/7+ (58x/4x) Engine Main Harness for HP EFI & Dominator EFI These harnesses are designed to fit most 24x and 58x LS engines, from 1997-2012. They are a...558-134Now: $604.95Was: $672.95 -
On Sale
Holley EFI LS (58X/4X) Engine Main Harness for HP EFI/Dominator EFI 558-103
HOLLEY
Now: $568.95Was: $632.95Holley EFI LS (58X/4X) Engine Main Harness for HP EFI/Dominator EFI 558-103 LS2/3/7+ (58x/4x) Engine Main Harness for HP EFI & Dominator EFI This harness has been designed to interface with 58x crank and 4x cam sensors. These engines are commonly...558-103Now: $568.95Was: $632.95 -
On Sale
Diablosport PredatorX Programmer Tuner IOS/Android Smartphone GM 2005-2024 DS-MFD
DIABLOSPORT
Now: $266.35Was: $295.95Diablosport PredatorX Programmer Tuner IOS/Android Smartphone GM 2005-2024 DS-MFD PredatorX is the latest in tuning technology. Using your smartphone, you can interface with PredatorX through our mobile app and handle all of your tuning needs, right...DS-MFDNow: $266.35Was: $295.95 -
On Sale
Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Late 550-1634-6
HOLLEY
Now: $3,193.95Was: $3,549.95Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Late 550-1634-6 GM LT Drive-by-Wire Throttle Body and GM 6L80E and 6L90E Transmission Control Take control of your GM Gen V LT4, LT1, L83, or L86...550-1634-6Now: $3,193.95Was: $3,549.95 -
On Sale
Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Early 550-1633-6
HOLLEY
Now: $3,193.95Was: $3,549.95Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Early 550-1633-6 GM LT Drive-by-Wire Throttle Body and GM 6L80E and 6L90E Transmission Control Take control of your GM Gen V LT4, LT1, L83, or L86 engine...550-1633-6Now: $3,193.95Was: $3,549.95 -
On Sale
Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Late 550-1624
HOLLEY
Now: $2,743.95Was: $3,049.95Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Late 550-1624 GM LT Drive-by-Wire Throttle Body Control Take control of your GM Gen V LT4, LT1, L83, or L86 engine with Terminator X! Do not settle for a...550-1624Now: $2,743.95Was: $3,049.95 -
On Sale
Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Early 550-1623
HOLLEY
Now: $2,743.95Was: $3,049.95Holley Terminator X Max GM Gen V LT4 Standalone ECU & Wire Harness Direct Injection Kit Early 550-1623 GM LT Drive-by-Wire Throttle Body Control Take control of your GM Gen V LT4, LT1, L83, or L86 engine with Terminator X! Do not settle for a...550-1623Now: $2,743.95Was: $3,049.95 -
On Sale
Holley Terminator X Max GM LS Gen IV Standalone ECU & Wire Harness /Trans Control- 24x Late Truck w/6L80 - 550-917-6
HOLLEY
Now: $2,068.95Was: $2,299.95Holley Terminator X Max GM LS Gen IV Standalone ECU & Wire Harness /Trans Control- 58x Late Truck w/6L80 - 550-918-6 24x Crank - 1x Cam - Multec 2 Injectors - 6L80/90 Transmission Control - 3.5-inch Touchscreen Take control of your LS engine and...550-917-6Now: $2,068.95Was: $2,299.95 -
On Sale
Holley Terminator X Max GM LS Gen IV Standalone ECU & Wire Harness /Trans Control- 58x Late Truck w/6L80 - 550-918-6
HOLLEY
Now: $2,068.95Was: $2,299.95Holley Terminator X Max GM LS Gen IV Standalone ECU & Wire Harness /Trans Control- 58x Late Truck w/6L80 - 550-918-6 58x Crank - 4x Cam - EV6 Injectors - 6L80/90 Transmission Control - 3.5-inch Touchscreen Take control of your LS engine and 6L80...550-918-6Now: $2,068.95Was: $2,299.95 -
On Sale
Holley Terminator X Max GM LS Gen IV Standalone ECU & Wire Harness /Trans Control/DBW - 58x Late Truck w/6L80 - 550-928-6
HOLLEY
Now: $2,248.95Was: $2,499.95Holley Terminator X Max GM LS Gen IV Standalone ECU & Wire Harness /Trans Control/DBW - 58x Late Truck w/6L80 - 550-928-6 58x Crank - 4x Cam - EV6 Injectors - Drive-By-Wire Throttle Body and 6L80/90 Transmission Control - 3.5-inch...550-928-6Now: $2,248.95Was: $2,499.95