{"title":"Engine Control Module (ECM)","description":null,"products":[{"product_id":"select-up-to-4-different-tunes","title":"Select up to (4) different tunes","description":"Designed to be used with the Holley Dominator EFI systems with multiple maps to select between up to four different types of tunes. These tunes can be used for many purposes, ranging from using certain fuel types, track conditions, and using nitrous setups. The switch is connected into the J3 ECU connector, with the calibrations being selected at in the vehicle key-on startup.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":44152282841203,"sku":"GVMR_558-407","price":172.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/1969\/6499\/files\/558-407_01.jpg?v=1765776839"},{"product_id":"replacement-terminator-efi-ecu","title":"Replacement Terminator EFI ECU","description":"An EFI System so easy and powerful you'll think it's alive! Simply bolt it on, feed it a few basic answers and let Terminator EFI take control of your ride!","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":44152284905587,"sku":"GVMR_554-119","price":2254.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/1969\/6499\/files\/554-119_01.jpg?v=1765777345"},{"product_id":"dominator-efi-ecu","title":"Dominator EFI ECU","description":"Dominator® EFI Vehicle Management Systems are intended for non-emissions street and racing engine applications. In addition to the transmission control, drive by wire, and dual wideband oxygen sensor options,  Dominator® systems have nearly unlimited capabilities to control any power adder, input, or output you can throw at them.  Need to run a turbocharged, nitrous injected 8 cylinder with 8-channels of EGT?  No problem with Dominator® EFI.  How about control a 4L60E transmission as well as the fuel and spark on your street rod?  No problem.  There are also enough inputs and outputs to allow the Dominator® VMSs to serve as their own data acquisition and control module. The Dominator® VMS will eliminate the need for additional controllers as they are all contained in this one unit.  The only thing limiting the Dominator® Vehicle Management System is your imagination!","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":44152284971123,"sku":"GVMR_554-114","price":2399.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/1969\/6499\/files\/554-114_01.jpg?v=1765777355"},{"product_id":"hp-efi-ecu-usb-cable-and-software","title":"HP EFI ECU, USB Cable, and Software","description":"Looking for a plug and play alternative for your stock or built late model factory EFI engine? How about a replacement ECU for your older Holley C950? Holley has you covered. HP EFI ECU and harness kits are designed to be used with popular factory EFI engines as an alternative to the factory ECU and harness or as a replacement for your C950 ECU. The HP allows you to accurately control the fuel and ignition of your engine along with additional controls for nitrous, boost or water meth.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":44152285823091,"sku":"GVMR_554-113","price":1999.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/1969\/6499\/files\/554-113_01.jpg?v=1765777400"},{"product_id":"holley-efi-can-input-output-module-without-harness","title":"Holley EFI CAN Input\/Output Module - Without Harness","description":"The Holley EFI CAN Input\/Output Module can be added to Holley EFI HP, Dominator, Terminator X and Terminator X Max EFI installations. This CAN module will add (8) inputs and (8) outputs to the system which can be used to control additional accessories or provide critical sensor inputs. This module is perfect for anyone wanting to enhance the capabilities of their current ECU and have already tapped out their ECU's Input\/Output channels. Please refer to 554-165 for full kit.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":44152285954163,"sku":"GVMR_554-166","price":399.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/1969\/6499\/files\/554-165_06_edit.jpg?v=1765777411"},{"product_id":"holley-efi-can-input-output-module-kit","title":"Holley EFI CAN Input\/Output Module Kit","description":"The Holley EFI CAN Input\/Output Module can be added to Holley EFI HP, Dominator, Terminator X and Terminator X Max EFI installations. This CAN module will add (8) inputs and (8) outputs to the system which can be used to control additional accessories or provide critical sensor inputs. This module is perfect for anyone wanting to enhance the capabilities of their current ECU and have already tapped out their ECU's Input\/Output channels.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":44152286019699,"sku":"GVMR_554-165","price":482.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/1969\/6499\/files\/554-165_01_edit.jpg?v=1765777423"},{"product_id":"holley-efi-lightweight-dominator-ecu","title":"Holley EFI Lightweight Dominator ECU","description":"Holley EFI Dominator ECU utilizes a lighter potting material than the standard Dominator unit (reduces total weight by 1.8 lbs). This lightweight version is specifically intended for drag racing only. It is not recommended for use in high-heat conditions (under-hood mounting installations) and applications with high continuous current draw.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":44152286118003,"sku":"GVMR_554-114LW","price":2509.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/1969\/6499\/files\/554-114lw_01.jpg?v=1765777434"},{"product_id":"ford-coyote-ti-vct-capable-hp-efi-kit-ntk-o2","title":"Ford Coyote Ti-VCT Capable HP EFI Kit,  NTK O2","description":"Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is your weekend road race warrior powered by a coyote junkyard engine with locked cams? Unlock the full potential of your high revving power plant with the Holley EFI Plug and Play Coyote Ti-VCT Control Module.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":44152386846835,"sku":"GVMR_550-628N","price":2969.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/1969\/6499\/files\/550-628N_02.jpg?v=1765780686"},{"product_id":"ford-coyote-ti-vct-capable-hp-efi-kit-bosch-o2","title":"Ford Coyote Ti-VCT Capable HP EFI Kit,  Bosch O2","description":"Introducing Coyote Twin Independent Variable Cam Timing Control from Holley EFI! Do you have a coyote crate engine going in your dream car? Is your weekend road race warrior powered by a coyote junkyard engine with locked cams? Unlock the full potential of your high revving power plant with the Holley EFI Plug and Play Coyote Ti-VCT Control Module.","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":44152387141747,"sku":"GVMR_550-628","price":2649.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/1969\/6499\/files\/550-628_02.jpg?v=1765780709"}],"url":"https:\/\/oneshotpowersports.com\/collections\/engine-control-module-ecm.oembed","provider":"One Shot Powersports","version":"1.0","type":"link"}