Summit Racing SpeedCard - learn how to get 15% back up to $150

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Summit Racing SpeedCard - learn how to get 15% back up to $150

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Engine Management Systems

Individual Parts

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Results 326 - 350 of 382

Haltech Elite 1500 ECU with Basic Universal Wire-In Harness HT-150902

Haltech Elite 1500 ECU with Basic Universal Wire-In Harness HT-150902

Haltech Elite 1500 ECU with Basic Universal Wire-In Harness HT-150902

Engine Management Systems, Elite 1500 ECU with Basic Universal Wire-In Harness, 8 ft. Basic Wiring Harness, Kit

Part Number: HTH-HT-150902

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Haltech Elite 1500 ECUs with Plug-and-Play Harness HT-150975

Haltech Elite 1500 ECUs with Plug-and-Play Harness HT-150975

Haltech Elite 1500 ECUs with Plug-and-Play Harness HT-150975

Engine Management Systems, Elite 1500 ECU with Plug'n'Play Harness, Mazda, 1.3L, Kit

Part Number: HTH-HT-150975

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Haltech Elite 2500 ECU with Premium Universal Wire-In Harness HT-151305

Haltech Elite 2500 ECU with Premium Universal Wire-In Harness HT-151305

Haltech Elite 2500 ECU with Premium Universal Wire-In Harness HT-151305

Engine Management Systems, Elite 2500 ECU with Premium Universal Wire-In Harness, 16 ft. Premium Wiring Harness, Kit

Part Number: HTH-HT-151305

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Haltech Elite 2500 ECU Nissan RB Terminated Engine Harness Kits HT-151309

Haltech Elite 2500 ECU Nissan RB Terminated Engine Harness Kits HT-151309

Haltech Elite 2500 ECU Nissan RB Terminated Engine Harness Kits HT-151309

RB Twin CAM Elite 2500 ECU, Main Harness, CAS Breakout, Late

Part Number: HTH-HT-151309

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Haltech Nexus R5 VCUs with Universal Wire-In Harness Kit HT-195200

Haltech Nexus R5 VCUs with Universal Wire-In Harness Kit HT-195200

Haltech Nexus R5 VCUs with Universal Wire-In Harness Kit HT-195200

Engine Management Systems, Nexus R5s with Universal Wire-In Harness Kit, 8 ft. Wiring Harness, Transmission Controller, Kit

Part Number: HTH-HT-195200

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Haltech Elite 750 ECU with Premium Universal Wire-In Harness HT-150605

Haltech Elite 750 ECU with Premium Universal Wire-In Harness HT-150605

Haltech Elite 750 ECU with Premium Universal Wire-In Harness HT-150605

Engine Management Systems, Elite 750 ECU with Premium Universal Wire-In Harness, 16 ft. Premium Wiring Harness, Kit

Part Number: HTH-HT-150605

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Haltech Elite 1500 ECU with Plug and Pin Set HT-150901

Haltech Elite 1500 ECU with Plug and Pin Set HT-150901

Haltech Elite 1500 ECU with Plug and Pin Set HT-150901

Engine Management Systems, Elite 1500 ECU with Plug and Pin Set, Kit

Part Number: HTH-HT-150901

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

DIYAutoTune MegaSquirt MS3Pro Plug-and-Play Engine Management Systems for 1994-1995 MIATA - MSPNPPro-MM9495

Made in the USA

DIYAutoTune MegaSquirt MS3Pro Plug-and-Play Engine Management Systems for 1994-1995 MIATA - MSPNPPro-MM9495

DIYAutoTune MegaSquirt MS3Pro Plug-and-Play Engine Management Systems for 1994-1995 MIATA - MSPNPPro-MM9495

Engine Management System, MegaSquirt MS3Pro, Plug and Play Harness, Mazda, Miata, Kit

Part Number: DIY-S0003

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

DIYAutoTune MegaSquirt MS3Pro Plug-and-Play Engine Management Systems for 1999-2000 MIATA - MSPNPPro-MM9900

Made in the USA

DIYAutoTune MegaSquirt MS3Pro Plug-and-Play Engine Management Systems for 1999-2000 MIATA - MSPNPPro-MM9900

DIYAutoTune MegaSquirt MS3Pro Plug-and-Play Engine Management Systems for 1999-2000 MIATA - MSPNPPro-MM9900

Engine Management System, MegaSquirt MS3Pro, Plug and Play Harness, Mazda, Miata, Kit

Part Number: DIY-S0005

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

DIYAutoTune MegaSquirt MS3Pro Plug-and-Play Engine Management Systems for 2001-2005 MIATA - MSPNPPro-MM0105

Made in the USA

DIYAutoTune MegaSquirt MS3Pro Plug-and-Play Engine Management Systems for 2001-2005 MIATA - MSPNPPro-MM0105

DIYAutoTune MegaSquirt MS3Pro Plug-and-Play Engine Management Systems for 2001-2005 MIATA - MSPNPPro-MM0105

Engine Management System, MegaSquirt MS3Pro, Plug and Play Harness, Mazda, Miata, Kit

Part Number: DIY-S0006

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

DIYAutoTune MegaSquirt MS3Pro Plug-and-Play Engine Management Systems for 2004-2005 MIATA - MSPNPPro-MSM0405

Made in the USA

DIYAutoTune MegaSquirt MS3Pro Plug-and-Play Engine Management Systems for 2004-2005 MIATA - MSPNPPro-MSM0405

DIYAutoTune MegaSquirt MS3Pro Plug-and-Play Engine Management Systems for 2004-2005 MIATA - MSPNPPro-MSM0405

Engine Management System, MegaSquirt MS3Pro, Plug and Play Harness, Mazda, Miata, Mazdaspeed, Kit

Part Number: DIY-S0007

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

DIYAutoTune MegaSquirt Gen 2 Plug-and-Play Engine Management Systems for 1989-1994 240SX - MSPNP2-NJ8994

Made in the USA

DIYAutoTune MegaSquirt Gen 2 Plug-and-Play Engine Management Systems for 1989-1994 240SX - MSPNP2-NJ8994

DIYAutoTune MegaSquirt Gen 2 Plug-and-Play Engine Management Systems for 1989-1994 240SX - MSPNP2-NJ8994

Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Nissan, 240SX, S13, SR20DET, Kit

Part Number: DIY-S0017

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

DIYAutoTune MegaSquirt Gen 2 Plug-and-Play Engine Management Systems for 1990-1991 CELICA, 1991-1992 MR2 - MSPNP2-TS9092

Made in the USA

DIYAutoTune MegaSquirt Gen 2 Plug-and-Play Engine Management Systems for 1990-1991 CELICA, 1991-1992 MR2 - MSPNP2-TS9092

DIYAutoTune MegaSquirt Gen 2 Plug-and-Play Engine Management Systems for 1990-1991 CELICA, 1991-1992 MR2 - MSPNP2-TS9092

Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Toyota, MR2, Celica, 3SGTE, Kit

Part Number: DIY-S0020

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

DIYAutoTune MegaSquirt Gen 2 Plug-and-Play Engine Management Systems for 1992 CELICA, 1993-1995 MR2 - MSPNP2-TS9395

Made in the USA

DIYAutoTune MegaSquirt Gen 2 Plug-and-Play Engine Management Systems for 1992 CELICA, 1993-1995 MR2 - MSPNP2-TS9395

DIYAutoTune MegaSquirt Gen 2 Plug-and-Play Engine Management Systems for 1992 CELICA, 1993-1995 MR2 - MSPNP2-TS9395

Engine Management System, MegaSquirt Gen2, Plug and Play Harness, Toyota, MR2, Celica, 3SGTE, Kit

Part Number: DIY-S0021

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

DIYAutoTune MegaSquirt MS3Pro Plug-and-Play Engine Management Systems for 1984-1987 REGAL - MSPNPPro-GNX8487

Made in the USA

DIYAutoTune MegaSquirt MS3Pro Plug-and-Play Engine Management Systems for 1984-1987 REGAL - MSPNPPro-GNX8487

DIYAutoTune MegaSquirt MS3Pro Plug-and-Play Engine Management Systems for 1984-1987 REGAL - MSPNPPro-GNX8487

Engine Management System, MS3Pro PNP, Turbocharged, Buick, Kit

Part Number: DIY-S0035

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

DIYAutoTune MegaSquirt Gen 2 Plug-and-Play Engine Management Systems MSPNP2-B8793

Made in the USA

DIYAutoTune MegaSquirt Gen 2 Plug-and-Play Engine Management Systems MSPNP2-B8793

DIYAutoTune MegaSquirt Gen 2 Plug-and-Play Engine Management Systems MSPNP2-B8793

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: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

DIYAutoTune MegaSquirt MS3Pro Plug-and-Play Engine Management Systems MSPNPPro-E369395

Made in the USA

DIYAutoTune MegaSquirt MS3Pro Plug-and-Play Engine Management Systems MSPNPPro-E369395

DIYAutoTune MegaSquirt MS3Pro Plug-and-Play Engine Management Systems MSPNPPro-E369395

Engine Management System, MegaSquirt MS3Pro, Plug and Play Harness, BMW, E36, M3, Kit

Part Number: DIY-S0001

Not Yet Reviewed

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

Haltech Elite 2500T ECU HT-151310

Haltech Elite 2500T ECU HT-151310

Haltech Elite 2500T ECU HT-151310

Engine Management Systems, Elite 2500T ECU, Four Digital Inputs, Ten Analog Inputs, Designed for Drag Race Applications, Each

Part Number: HTH-HT-151310

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Mopar Performance Engine Management Systems P5160121

Mopar Performance Engine Management Systems P5160121

Mopar Performance Engine Management Systems P5160121

MODULE ENGINE CONTROLLER, MODULE ENGINE CONTROLLER

Part Number: DCC-P5160121

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

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Estimated Ship Date: Mar 16, 2026 if ordered today

Haltech Elite 550 ECU with Basic Universal Wire-In Harness HT-150402

Haltech Elite 550 ECU with Basic Universal Wire-In Harness HT-150402

Haltech Elite 550 ECU with Basic Universal Wire-In Harness HT-150402

Engine Management Systems, Elite 550 ECU with Basic Universal Wire-In Harness, 8 ft. Basic Wiring Harness, Kit

Part Number: HTH-HT-150402

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Haltech Elite 1500 ECU with Premium Universal Wire-In Harness HT-150905

Haltech Elite 1500 ECU with Premium Universal Wire-In Harness HT-150905

Haltech Elite 1500 ECU with Premium Universal Wire-In Harness HT-150905

Engine Management Systems, Elite 1500 ECU with Premium Universal Wire-In Harness, 16 ft. Premium Wiring Harness, Kit

Part Number: HTH-HT-150905

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Haltech Elite 2500 ECU Nissan RB Terminated Engine Harness Kits HT-151311

Haltech Elite 2500 ECU Nissan RB Terminated Engine Harness Kits HT-151311

Haltech Elite 2500 ECU Nissan RB Terminated Engine Harness Kits HT-151311

RB Single Cam Elite 2500 ECU Harness Kit

Part Number: HTH-HT-151311

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Haltech Nexus R5 VCUs with Plug and Pin Set HT-195100

Haltech Nexus R5 VCUs with Plug and Pin Set HT-195100

Haltech Nexus R5 VCUs with Plug and Pin Set HT-195100

Engine Management Systems, Nexus R5s with Plug and Pin Set, Transmission Controller, Kit

Part Number: HTH-HT-195100

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

DIYAutoTune MegaSquirt MS3Pro EVO Standalone Engine Management Systems MS3VE-LS24XM

Made in the USA

DIYAutoTune MegaSquirt MS3Pro EVO Standalone Engine Management Systems MS3VE-LS24XM

DIYAutoTune MegaSquirt MS3Pro EVO Standalone Engine Management Systems MS3VE-LS24XM

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: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Holley Terminator X Engine Management Systems 550-904T

Holley Terminator X Engine Management Systems 550-904T

3 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Haltech Nexus S2 ECUs with Plug-and-Play Harness for 1994-1998 240SX - HT-212304

Haltech Nexus S2 ECUs with Plug-and-Play Harness for 1994-1998 240SX - HT-212304

Haltech Nexus S2 ECUs with Plug-and-Play Harness for 1994-1998 240SX - HT-212304

Engine Management Systems, Nexus S2, ECU with Plug'n'Play Harness, for Nissan, S14, Kit

Part Number: HTH-HT-212304

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

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