Availability
Engine Management Systems, HP EFI, ECU, Replacement, Plug-and-Play, 16-Injectors, Eight Coils, Analog Inputs, USB Cable, Software, Each
Part Number: HLY-554-113
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Engine Management Systems, Terminator LS, Plug-and-Play, 8-Injectors, 8-Coils, Drive-by-Wire, Trans Control, Chevy, Truck, 4.8-6.2L, 58x Crank, Kit
Part Number: HLY-550-613
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
This product may not be eligible for select promotional offers
Engine Management Systems, Terminator LS, Plug-andPlay, 8-Injectors, 8-Coils, Drive-by-Wire, with Controller, Chevy, Truck, 4.8-6.0L, 24x Crank, Kit
Part Number: HLY-550-615
Not Yet Reviewed
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
This product may not be eligible for select promotional offers
Engine and Transmission Combo, Complete, PCM, Wiring Harness, T-56 Transmission, 5.0L Coyote, Kit
Part Number: FMS-S0074
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Engine and Transmission Combo, Complete, PCM, Wiring Harness, 10R80 Transmission, 5.0L Coyote, Kit
Part Number: FMS-S0073
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Engine Management Systems, Terminator LS, Plug-andPlay, 8-Injectors, 8-Coils, Analog Inputs, with Controller, Chevy, Truck, 4.8-6.0L, 24x Crank, Kit
Part Number: HLY-550-614
Estimated Ship Date: Oct 27, 2025 if ordered today
Estimated Ship Date: Oct 27, 2025 if ordered today
This product may not be eligible for select promotional offers
Engine Management System, MS3Pro PNP, Factory Dash Control, Ford, Kit
Part Number: DIY-S0036
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Ford, Each
Part Number: DIY-S0040
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management Systems, MegaSquirt Gen2, Plug and Play, Ford, Each
Part Number: DIY-S0041
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Mazda, Miata, Kit
Part Number: DIY-S0012
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Engine Management System, MegaSquirt MS3Pro, Plug and Play Harness, Ford, Kit
Part Number: DIY-S0043
Not Yet Reviewed
Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, GM, LS2, LS7, 58x Crank Sensor, Kit
Part Number: HLY-550-603
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, for GM TPI, Holley Stealth Ram, Kit
Part Number: HLY-550-601
Estimated Ship Date: Today
Estimated Ship Date: Today
This product may not be eligible for select promotional offers
Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Mazda, Miata, Kit
Part Number: DIY-S0014
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Engine Management System, MegaSquirt MS3Pro, Plug and Play Harness, Subaru, Impreza, WRX, Kit
Part Number: DIY-S0009
Not Yet Reviewed
Engine Management System, MegaSquirt MS3Pro, Plug and Play Harness, BMW, E36, M3, Kit
Part Number: DIY-S0001
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Nissan, 240SX, Altima, K24DE, SR20DE, Kit
Part Number: DIY-S0016
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Engine Management System, MegaSquirt MS3Pro, Plug and Play Harness, Ford, Kit
Part Number: DIY-S0042
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Mazda, Miata, Kit
Part Number: DIY-S0013
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Mazda, Miata, Kit
Part Number: DIY-S0015
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Toyota, MR2, Celica, 3SGTE, Kit
Part Number: DIY-S0020
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Engine Management System, MegaSquirt Gen2, Plug and Play Harness, BMW, E30, E32, E34, Kit
Part Number: DIY-PNP2-B8793
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Engine Management System, MegaSquirt MS3Pro, Plug and Play Harness, Toyota, Lexus, Supra, SC300, 2JZ, Kit
Part Number: DIY-S0008
Not Yet Reviewed
Estimated Ship Date: Oct 28, 2025 if ordered today
Estimated Ship Date: Oct 28, 2025 if ordered today
Engine Management System, MegaSquirt MS3Pro, Plug and Play Harness, Mazda, Miata, Kit
Part Number: DIY-S0002
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Engine Management System, MegaSquirt MS3Pro, Plug and Play Harness, Mazda, Miata, Kit
Part Number: DIY-S0003
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
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