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  • MS3Pro Mini Standalone Engine Management System w/ Harness

    5 out of 5
    $674.99

    Introducing the MS3Pro Mini by AMP EFI MS3Pro Mini by AMP EFI, the sleek and compact addition to our MS3Pro Wire-In ECU product line. This new ECU is designed to fit in the palm of your hand! Tailored for engines with up to eight cylinders, it boasts the...

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  • Magnecor KV85 90-05 Miata Engine Spark Plug Wire Set for IGN1A Smart Coils

    $78.00

    Replacement Set of Magnecor KV85 Race Spark Plug Wires for our MaxSpark PNP – IGN1A Smart Coil Ignition Kit for 1990-2005 Mazda Miata These Magnecor KV85 Race Spark Plug Wires are just what you need if you're using our MaxSpark PNP – IGN1A Smart Coil...

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  • MaxSpark PNP LS – IGN1A Smart Coil Ignition Kit for GM LS Engines

    5 out of 5
    $899.00

    AMPEFI put together the best and most powerful ignition upgrade kit available for your GM LS engine, and it's a complete drop-on affair.  MaxSpark PNP is next level with more spark energy than the stock LS ignition coils by a longshot.  If you want more...

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  • MS3Pro Mini (ECU Only)

    $599.99

    Introducing the MS3Pro Mini by AMP EFI MS3Pro Mini by AMP EFI, the sleek and compact addition to our MS3Pro Wire-In ECU product line. This new ECU is designed to fit in the palm of your hand! Tailored for engines with up to eight cylinders, it boasts the...

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  • MaxSpark PNP – IGN1A Smart Coil Ignition Kit for 1990-2005 Mazda Miata

    5 out of 5
    $659.00

    AMP EFI put together the best and most powerful ignition upgrade kit available for your Mazda Miata, MX-5, or Eunos Roadster, and it's a complete drop-on affair.  You may have seen DIY Miata Coil on Plug conversions using other coils.  MaxSpark is next ...

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  • 84-87 Grand National MS3Pro + DD-EFI Pro Dash Bundle

    From: $1,999.99

    Buick Grand National MS3Pro ECU + DD-EFI Pro Dash Bundle MS3Pro ECU & 12.3" Pro Digital Dash Build Time is up to 6 weeks for Digital Dashes What's Included MS3Pro ECU for 84-97 Buick Grand National M8 Serial Tuning Cable USB to Serial ...

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  • 87-04 Mustang MS3Pro ECU + DD-EFI Pro Dash Bundle

    From: $1,999.99

    Mustang MS3Pro ECU + DD-EFI Pro Dash Bundle MS3Pro ECU & 12.3" Pro Digital Dash Build Time is up to 6 weeks for Digital Dashes What's Included MS3Pro ECU for 87-04 Mustang M8 Serial Tuning Cable USB to Serial Adapter 6′ Vacuum Hos...

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  • 90-05 Miata MS3Pro ECU + DD-EFI Pro Dash Bundle

    From: $1,999.99

    Miata MS3Pro ECU + DD-EFI Pro Dash Bundle MS3Pro ECU & 10.3" Pro Digital Dash Build Time is up to 6 weeks for Digital Dashes What's Included MS3Pro ECU for 90-05 Mazda Miata M8 Serial Tuning Cable USB to Serial Adapter 6′ Vacuum H...

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  • MS3Pro EVO with GM LS 24x Plug and Play Harness

    5 out of 5
    From: $1,899.99

    MS3Pro EVO GM LS 24x Plug and Play includes an MS3Pro EVO ECU, TunerStudio software and the most rugged & durable GM 24X custom harness in the aftermarket.   Experience the MS3Pro EVO. MS3Pro EVO is an evolution, not a revolution- a scaled u...

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  • Universal Wire-In MS3Pro ECU + DD-EFI Pro Dash Bundle

    From: $1,524.99

    Universal Wire-In MS3Pro ECU + DD-EFI Pro Dash Bundle MS3Pro Wire-In ECU & 10.3" or 12.3" Pro Digital Dash Build Time is up to 6 weeks for Digital Dashes What's Included Universal Wire-In MS3Pro ECU (MS3Pro-Mini or MS3Pro-EVO) M8 Serial T...

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  • MS3Pro EVO with GM LS 58x Plug and Play Harness

    From: $1,899.99

    MS3Pro EVO GM LS 58x Plug and Play includes an MS3Pro EVO ECU, TunerStudio software and the most rugged & durable GM 58X engine harness on the market.   Experience the MS3Pro EVO. MS3Pro EVO is an evolution, not a revolution- a scaled up, mo...

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  • MS3Pro Ultimate Standalone Engine Management System w/ Harness

    5 out of 5
    $1,749.00

    Experience the MS3Pro ULTIMATE by AMP EFI, featured in Street Outlaws No Prep Kings contestant, The Hulk. Developed from the MS3Pro 1st Gen platform, the MS3Pro ULTIMATE brings NEXT LEVEL capability to MS3Pro's staggering feature set beginning with a...

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  • MS3Pro ULTIMATE Standalone EMS – ECU Only

    $1,499.00

    Experience the MS3Pro ULTIMATE by AMP EFI, featured in Street Outlaws No Prep Kings contestant, The Hulk. MS3Pro ULTIMATE by AMP EFI brings NEXT LEVEL capability to MS3Pro's staggering feature set beginning with a new high quality aluminum IP65 rated...

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  • MS3Pro EVO Standalone Engine Management System w/ Harness

    5 out of 5
    $1,299.99

    Introducing MS3Pro EVO. (supersedes 1st Gen MS3Pro) MS3Pro EVO is an evolution of the original MS3Pro ECU- a scaled up, more capable MS3Pro due to shared technology with big brother, MS3Pro Ultimate.  MS3Pro EVO does not have peak and hold injector d...

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  • MS3Pro EVO Standalone Engine Management System – ECU Only

    $1,149.99

    Introducing MS3Pro EVO by AMP EFI (ECU only)  MS3Pro EVO by AMP EFI is an evolution, not a revolution- a scaled up, more capable MS3Pro due to shared technology with big brother, MS3Pro Ultimate.  MS3Pro EVO by AMP EFI does not have peak and hold inj...

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  • MS3Pro ULTIMATE with GM LS 24x Plug and Play Harness

    From: $2,099.99

    MS3Pro ULTIMATE GM LS 24x Plug and Play includes an MS3Pro ULTIMATE ECU, TunerStudio software and the most rugged & durable GM 24X custom harness available.  Experience the MS3Pro ULTIMATE. The Ultimate brings NEXT LEVEL capability to MS3Pro...

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