Howell EFI Jeep LS LT Vortec EcoTec3 & GM Based EFI Conversions
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GM LS-Series Products

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  • #HY758 - LS3/LS7 HARNESS: 2006-08 58X EnginesSelect options This product has multiple variants. The options may be chosen on the product page
    LS3 & LS7 2006-2015 Products

    #HY7058T – LS7 HARNESS: 2006-13 58X Engines

    Price range: $850.00 through $950.00
  • #HY758 - LS3/LS7 HARNESS: 2006-08 58X EnginesSelect options This product has multiple variants. The options may be chosen on the product page
    LS3 & LS7 2006-2015 Products

    #HF7058T – LS7 HARNESS: 2014-15 58X Engines With Electronic

    Price range: $850.00 through $950.00
  • #HY758 - LS3/LS7 HARNESS: 2006-08 58X EnginesSelect options This product has multiple variants. The options may be chosen on the product page
    LS3 & LS7 2006-2015 Products

    #HF7058 – LS7 HARNESS: 2014-15 58X Engines

    Price range: $850.00 through $950.00
  • #HY758E - LS3/LS7 ECM: 2006-08 7.0L Engine onlySelect options This product has multiple variants. The options may be chosen on the product page
    LS3 & LS7 2006-2015 Products

    #HY758EC – LS7 ECM: 2006-15 7.0L Engine only

    $250.00
  • #HY758 - LS3/LS7 HARNESS: 2006-08 58X EnginesSelect options This product has multiple variants. The options may be chosen on the product page
    LS-Series Parts & Accessories

    #HCL6258 – GM 6.2 LSA HARNESS: 2009-2013 Cadillac CTS-V 58X Engines

    Price range: $800.00 through $900.00
  • #HC16 - Coil Pack Extension Set for LS1-LS2-LS3Select options This product has multiple variants. The options may be chosen on the product page

    #HC16 – Coil Pack Extension Set for LS1-LS2-LS3

    Price range: $124.00 through $132.00
  • #HY5FFC/HY5FFG - LS1-Vortec MAF SensorSelect options This product has multiple variants. The options may be chosen on the product page

    #HY5FFC/HY5FFG – LS1-Vortec MAF Sensor

    Price range: $125.00 through $385.00
  • #TS219 - FAN SWITCH ADAPTORAdd to cart

    #TS219 – FAN SWITCH ADAPTOR

    $35.00
  • #HY5DEC - LS2 ECM: 2005 6.0L Corvette w/manual or non-electronic Transmission Drive by Wire (Customer Supplies Core)Add to cart

    #HY5DEC – LS2 ECM: 2005 6.0L Corvette w/manual or non-electronic Transmission Drive by Wire (Customer Supplies Core)

    $200.00
  • #HY14EC - LS6 ECM: 2001-04 6.0L w/ Electronic Transmission 4L60E/4L65E Mechanical Throttle ControlAdd to cart

    #HY14EC – LS6 ECM: 2001-04 6.0L w/ Electronic Transmission 4L60E/4L65E Mechanical Throttle Control

    $200.00
  • #HY5 EC - LS2 ECM: 2005 6.0L Corvette w/ Electronic Transmission 4L60E Mechanical Throttle ControlAdd to cart

    #HY5EC – LS2 ECM: 2005 6.0L Corvette w/ Electronic Transmission 4L60E Mechanical Throttle Control

    $200.00
  • #HY758E - LS3/LS7 ECM: 2006-08 7.0L Engine onlySelect options This product has multiple variants. The options may be chosen on the product page
    LS3 & LS7 2006-2015 Products

    #HY758E – LS3/LS7 ECM: 2006-13 7.0L Engine only

    Price range: $250.00 through $450.00
  • #HY14D - LS6 HARNESS: 2001-04 6.0L w/manual transmission, Drive by WireSelect options This product has multiple variants. The options may be chosen on the product page

    #HY14D – LS6 HARNESS: 2001-04 6.0L w/manual transmission, Drive by Wire

    Price range: $800.00 through $900.00
  • #HY5DE - LS2 ECM: 2005 6.0L Corvette w/manual Transmission, Drive by WireAdd to cart

    #HY5DE – LS2 ECM: 2005 6.0L Corvette w/manual Transmission, Drive by Wire

    $350.00
  • #HY5 E - LS2 ECM: 2005 6.0L Corvette w/ Electronic Transmission 4L60E Drive by WireAdd to cart

    #HY5E – LS2 ECM: 2005 6.0L Corvette w/ Electronic Transmission 4L60E Drive by Wire

    $350.00
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