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  • Sale!
    $1,799.99 $1,720.99

    MS3PRO ‘DROP ON’ 24X LS PLUG AND PLAY HARNESS W/ ECU

    The MS3-Pro 24x LS Plug and Play Harness is the highest quality, best value option for LS Motors in the industry today.  Save your hard earned time and money while experiencing the virtually limitless feature set of MS3-Pro Engine Management System.  Simply choose your injector style from the drop down menu! The MS3-Pro LSX Series […]

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  • Sale!
    $1,799.00 $1,720.99

    MS3PRO ‘DROP ON’ 58X LS PLUG AND PLAY HARNESS W/ ECU

    THE MS3-PRO 58X LS PLUG AND PLAY HARNESS IS THE HIGHEST QUALITY, BEST VALUE OPTION FOR LS MOTORS IN THE INDUSTRY TODAY.  SAVE YOUR HARD EARNED TIME AND MONEY WHILE EXPERIENCING THE VIRTUALLY LIMITLESS FEATURE SET OF MS3-PRO ENGINE MANAGEMENT SYSTEM.  SIMPLY CHOOSE YOUR INJECTOR STYLE FROM THE DROP DOWN MENU! The MS3-Pro LSX Series […]

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  • $1,766.95

    HOLLEY HP EFI FOR LS1 (PART# 550-602)

    Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition of your engine plus much more! Got a stock LS engine? Simply download a base map and you’re on your way. Got a turbocharged, nitrous fed LS engine on water/meth? This […]

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  • $3,216.99

    PROEFI PRO128 CTS-V Full Kit W/ Plug and Play harness

    The Pro128 GM CTS-V ProEFI Package includes: – Production Pro128 ECU – CTS-V plug and play harness – 5 Bar map sensor kit – Intake air temp kit – Fuel pressure sensor kit – 2x LSU 4.2 wideband sensor kits – CAN Programming Cable Kit part #s 9100,4253,9004,9000,9006,9019 (x2),9016 ProEFI is hands down one of […]

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  • $500.00

    HPTuners Tuner Suite Standard

    HPTuners CTS-V Tuner Suite

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