$20 Off $250 / $40 Off $500 / $80 Off $1,000 - FINAL DAY! Use Promo Code: TREAT

$20 Off $250 /$40 Off $500 / $80 Off $1,000
FINAL DAY! Use Promo Code: TREAT

Free Mount & Balance for Many Wheel & Tire Packages - Contact us for Details!

85 Results Found For "spark plug wire kit"

Individual Parts

Results 1 - 25 of 85

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

3.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

...Loading

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

...Loading

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

...Loading

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

...Loading

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

...Loading

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

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 27, 2025 if ordered today

...Loading

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

...Loading

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

...Loading

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

...Loading

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

...Loading

Estimated Ship Date: Oct 28, 2025 if ordered today

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

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

...Loading

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

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Today

...Loading

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

...Loading

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

...Loading

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

...Loading

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

...Loading

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

...Loading

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

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow if ordered today

...Loading

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

...Loading

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

...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 MS3Pro, Plug and Play Harness, Mazda, Miata, Kit

Part Number: DIY-S0002

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

...Loading

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

...Loading

Estimated Ship Date: Tomorrow if ordered today

Modal Header

Call To Order

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