$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

$25 Off $250 / $50 Off $500, on Summit Racing Brand Products - Use Promo Code: BUILDIT

Fall Clearance Sale - Save Today on The Parts You Need!

Engine Management Systems

Individual Parts

Results 276 - 300 of 342

RB Single Cam Elite 2500 ECU Harness Kit

Part Number: HTH-HT-151311

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 20, 2025 if ordered today

Engine Management Systems, Elite 2500 ECU with Plug'n'Play Harness, Does Not Include Ignition Sub-harness, Toyota, 3.0L, Kit

Part Number: HTH-HT-151353

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 20, 2025 if ordered today

Engine Management Systems, Elite 2500 ECU with Plug'n'Play Harness, Fits EV1 Injectors, Chevrolet, 4.8L, 5.3L, 5.7L, 6.0L, Kit

Part Number: HTH-HT-151360

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 20, 2025 if ordered today

Engine Management Systems, Elite 2500 ECU with Plug'n'Play Harness, Fits EV1 Injectors, Chevrolet, 4.8L, 5.3L, 5.7L, 6.0L, Kit

Part Number: HTH-HT-151362

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 20, 2025 if ordered today

Engine Management Systems, Elite 2500 ECU with Plug'n'Play Harness, Fits EV6 Injectors, Chevrolet, Small Block LS, Kit

Part Number: HTH-HT-151367

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 20, 2025 if ordered today

Engine Management Systems, Elite 2500 ECU with Plug'n'Play Harness, Fits EV1 Injectors, Chevy, Chrysler, Dodge, Ford, Jeep, Lincoln, Mercury, Ram, Kit

Part Number: HTH-HT-151376

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 20, 2025 if ordered today

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

Part Number: HTH-HT-195100

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 20, 2025 if ordered today

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: Oct 20, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 20, 2025 if ordered today

Nexus S3 ECU + Plug and Pin Set

Part Number: HTH-HT-213100

Not Yet Reviewed

Estimated Ship Date: Oct 20, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 20, 2025 if ordered today

L8P CONTROL SYSTEM

Part Number: NAL-19435524

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 29, 2026 if ordered today

...Loading

Estimated Ship Date: Jan 29, 2026 if ordered today

PRO FLO 4 EFI UPGRADE KIT, LEGACY PRO FLO TO PRO FLO 4

Part Number: EDL-35715

Not Yet Reviewed

Estimated Ship Date: Oct 21, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 21, 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: Oct 28, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 28, 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: Oct 28, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 28, 2025 if ordered today

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

Part Number: DIY-S0035

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 28, 2025 if ordered today

Engine Management System, MS3Pro PNP, Factory Dash Control, Ford, Kit

Part Number: DIY-S0037

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 28, 2025 if ordered today

Engine Management System, MS3Pro PNP, Factory Tach Control, Ford, Kit

Part Number: DIY-S0039

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 28, 2025 if ordered today

ECU

Part Number: DIY-S0045

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 28, 2025 if ordered today

Engine Management System, MegaSquirt MS3Pro Ultimate, Plug and Play Engine Harness, GM, LS, 24x Reluctor, Multec Injectors, Kit

Part Number: DIY-VU-LS24XM

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 28, 2025 if ordered today

Engine Management System, MegaSquirt MS3Pro EVO, Universal, Kit

Part Number: DIY-3V-EPKG

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 28, 2025 if ordered today

Porsche 944 1987-1991 MSPNP Gen2 Plug and Play ECU, is pre-loaded to help your engine start on the first turn of the key, Fully Tunable Control

Part Number: DIY-MSPNP2-P8791

Not Yet Reviewed

Estimated Ship Date: Oct 28, 2025 if ordered today

...Loading

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

...Loading

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

...Loading

Estimated Ship Date: Oct 28, 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: Oct 28, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 28, 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: Oct 28, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 28, 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: Oct 28, 2025 if ordered today

...Loading

Estimated Ship Date: Oct 28, 2025 if ordered today

Modal Header

Call To Order

This is a custom order part. You can order this part by Contacting Us.