Availability
Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, O2 Sensor, for GM TPI, Holley Stealth Ram, Kit
Part Number: HLY-550-601N
Not Yet Reviewed
Estimated Ship Date: Dec 3, 2025 if ordered today
Estimated Ship Date: Dec 3, 2025 if ordered today
Engine Management Systems, Terminator X, Up to 8-Injectors, 8-Coils, Plug-and-Play, Analog Inputs, Controller, Chevy, Early LT, 5.3L, 6.2L, Kit
Part Number: HLY-550-1600
Not Yet Reviewed
Estimated Ship Date: Dec 9, 2025 if ordered today
Estimated Ship Date: Dec 9, 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: Dec 26, 2025 if ordered today
Estimated Ship Date: Dec 26, 2025 if ordered today
Engine Management System, MegaSquirt MS3Pro, Plug and Play Harness, BMW, E36, M3, Kit
Part Number: DIY-S0001
Not Yet Reviewed
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 if ordered today
Engine Management Systems, Nexus R3 with Plug and Pin Set, Transmission Controller, Kit
Part Number: HTH-HT-193100
Not Yet Reviewed
Estimated Ship Date: Dec 10, 2025 if ordered today
Estimated Ship Date: Dec 10, 2025 if ordered today
Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Mazda, Miata, Kit
Part Number: DIY-S0014
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 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: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Mazda, Miata, Kit
Part Number: DIY-S0013
Estimated Ship Date: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 2025 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: Nov 24, 2025 if ordered today
Estimated Ship Date: Nov 24, 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 EVO, Plug and Play Engine Harness, GM, LS, 24x Reluctor, Multec Injectors, Kit
Part Number: DIY-VE-LS24XM
Not Yet Reviewed
Estimated Ship Date: Dec 29, 2025 if ordered today
Estimated Ship Date: Dec 29, 2025 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LT, Trans Control, Chevy, Early LT, 5.3L, 6.2L, Kit
Part Number: HLY-550-1610
Not Yet Reviewed
Estimated Ship Date: Dec 9, 2025 if ordered today
Estimated Ship Date: Dec 9, 2025 if ordered today
Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LT, Trans Control, Chevy, Late LT, 5.3L, 6.2L, Kit
Part Number: HLY-550-1611
Not Yet Reviewed
Estimated Ship Date: Dec 9, 2025 if ordered today
Estimated Ship Date: Dec 9, 2025 if ordered today
Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LT Drive-by-Wire, Chevy, Early LT, 5.3L, 6.2L, Kit
Part Number: HLY-550-1620LSD
Not Yet Reviewed
Estimated Ship Date: Dec 9, 2025 if ordered today
Estimated Ship Date: Dec 9, 2025 if ordered today
Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LS Drive-by-Wire, Trans Control, Chevy, Early LT, 5.3L, 6.2L, Kit
Part Number: HLY-550-1630LSD
Not Yet Reviewed
Estimated Ship Date: Dec 9, 2025 if ordered today
Estimated Ship Date: Dec 9, 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: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 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: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 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: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Engine Management System, MegaSquirt MS3Pro EVO, Plug and Play Engine Harness, GM, LS, 24x Reluctor, EV6 Injectors, Kit
Part Number: DIY-S0023
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Engine Management System, MegaSquirt MS3Pro EVO, Plug and Play Engine Harness, GM, LS, 58x Reluctor, EV1 Injectors, Kit
Part Number: DIY-S0024
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Engine Management System, MegaSquirt MS3Pro Ultimate, Plug and Play Engine Harness, GM, LS, 24x Reluctor, EV1 Injectors, Kit
Part Number: DIY-S0026
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Engine Management System, MegaSquirt MS3Pro Ultimate, Plug and Play Engine Harness, GM, LS, 58x Reluctor, EV1 Injectors, Kit
Part Number: DIY-S0028
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Engine Management System, MS3Pro PNP, Turbocharged, Buick, Kit
Part Number: DIY-S0035
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Engine Management System, MS3Pro PNP, Factory Dash Control, Ford, Kit
Part Number: DIY-S0037
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
Engine Management System, MS3Pro PNP, Factory Tach Control, Ford, Kit
Part Number: DIY-S0039
Not Yet Reviewed
Estimated Ship Date: Dec 15, 2025 if ordered today
Estimated Ship Date: Dec 15, 2025 if ordered today
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