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EFI Systems

EFI Performance Tuning 

EFI performance tuning is a game-changer for anyone looking to squeeze every last ounce of efficiency and horsepower from their engine. Scram Speed offers a wide variety of tools for dialing in the perfect tune. Whether you’re just starting out or chasing tenths at the track, our EFI performance tuning products make setup and adjustment straightforward.

Looking for simplicity? The self-tuning Holley EFI system is a favorite among our clients for its plug-and-play ease. It’s ideal for builders who want results without constant fiddling. Our team is always on hand to help you select the right components to get your setup running flawlessly. Reach out to Scram Speed today for expert support and to take your EFI performance tuning to the next level.

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    Holley Performance Parts – EFI, Intakes, & More Holley 550-945 Terminator X Max - Ford MPFI Kit, engine wiring harness with multiple colored wires and connectors for automotive fuel injection system.

    Holley Performance Parts – EFI, Intakes, & More

    Holley 550-945 Terminator X Max - Ford MPFI Kit

    Take control of your conventional Ford engine with Terminator X! Don't settle for a factory ECU with a cumbersome tuning interface or pre-programmed tuning chip when you can have complete control of...

    $1,798.95
    $1,999.95
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  • Scram Speed High-Flow LS IAC Adapter for EFI 5.0/4.6 Ford, metal automotive engine part with precision machining and mounting holes

    Scram Speed

    High-Flow LS IAC Adapter for EFI 5.0/4.6 Ford

    Stop choking your EFI 5.0. If you’re running a Holley EFI system or a modern standalone ECU on a Fox Body Mustang, you already know the struggle: trying to get the factory Ford IAC to play nice, or...

    $79.95
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  • Innovate Motorsports Innovate 3795 DB-GAUGE KIT BLUE W/ LC-2 & O2 SENSOR, digital automotive gauge display showing air/fuel ratio with blue backlight.

    Innovate Motorsports

    Innovate 3795 DB-GAUGE KIT BLUE W/ LC-2 & O2 SENSOR

    Key Features 100 pct. Digital Wideband Air/Fuel Ratio Technology Blackout Appearance When Unpowered Comes Complete w/Patented Aware-Winning LC-2 Wideband Controller Easy Set Up and Wiring;...

    $299.00
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  • Innovate Motorsports 3796 DB-GAUGE KIT RED W/ LC-2 & O2 SENSOR, digital automotive gauge display showing air/fuel ratio of 14.8 with brand logo.

    Innovate Motorsports

    Innovate 3796 DB-GAUGE KIT RED W/ LC-2 & O2 SENSOR

    Key Features 100 pct. Digital Wideband Air/Fuel Ratio Technology Blackout Appearance When Unpowered Comes Complete w/Patented Aware-Winning LC-2 Wideband Controller Easy Set Up and Wiring;...

    $299.00
    Add to Cart The item has been added
  • sale
    Holley Performance Parts – EFI, Intakes, & More Holley 558-462 Terminator X Input/Output Harness, automotive wiring harness with multiple colorful wires and connector.

    Holley Performance Parts – EFI, Intakes, & More

    Holley 558-462 Terminator X Input/Output Harness

    This harness allows you to access all of the I/O built into the Terminator X or X MAX ECU - some kits ship with a 3 wire I/O harness. This harness has all 8 pins populated, 4 Inputs and 4 Outputs...

    $37.89
    $42.10
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  • Holley Performance Parts – EFI, Intakes, & More Holley 565-345 HyperSpark Small Cap - Chrysler 383, 400, electronic ignition distributor with small cap and wiring harness.

    Holley Performance Parts – EFI, Intakes, & More

    Holley 565-345 HyperSpark Small Cap - Chrysler 383, 400

    HyperSpark Ready to Run adds plug and play ignition timing control to any Holley EFI system. This line of distributors comes with a built-in ignition coil driver, removing the need of mounting an...

    $321.95
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  • sale
    Holley Performance Parts – EFI, Intakes, & More Holley 565-343 Hyperspark Small Cap BBF 351-C,429,460 distributor, with black ignition cap, wiring harness, and mechanical drive shaft

    Holley Performance Parts – EFI, Intakes, & More

    Holley 565-343 Hyperspark Small Cap BBF 351-C,429,460

    HyperSpark Ready to Run adds plug and play ignition timing control to any Holley EFI system. This line of distributors comes with a built-in ignition coil driver, removing the need of mounting an...

    $14.99 - $17.95
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  • sale
    Holley Performance Parts – EFI, Intakes, & More Holley 565-344 Hyperspark Small Cap Chrysler 318, 360 ignition distributor with black top and electronic wiring

    Holley Performance Parts – EFI, Intakes, & More

    Holley 565-344 Hyperspark Small Cap Chrysler 318, 360

    HyperSpark Ready to Run adds plug and play ignition timing control to any Holley EFI system. This line of distributors comes with a built-in ignition coil driver, removing the need of mounting an...

    $525.95
    $584.95
    Add to Cart The item has been added
  • sale
    Holley Performance Parts – EFI, Intakes, & More Holley 565-346 HyperSpark Small Cap - Chrysler 426, 440, image of a small black ignition coil with wiring for Chrysler engines.

    Holley Performance Parts – EFI, Intakes, & More

    Holley 565-346 HyperSpark Small Cap - Chrysler 426, 440

    HyperSpark Ready to Run adds plug and play ignition timing control to any Holley EFI system. This line of distributors comes with a built-in ignition coil driver, removing the need of mounting an...

    $525.95
    $584.95
    Add to Cart The item has been added
  • sale
    Holley Performance Parts – EFI, Intakes, & More Holley 565-341 Hyperspark Small Cap - SBF- 260,289,302, automotive ignition distributor with small cap and electronic ignition components.

    Holley Performance Parts – EFI, Intakes, & More

    Holley 565-341 Hyperspark Small Cap - SBF- 260,289,302

    HyperSpark Ready to Run adds plug and play ignition timing control to any Holley EFI system. This line of distributors comes with a built-in ignition coil driver, removing the need of mounting an...

    $525.95
    $584.95
    Add to Cart The item has been added
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