ECU Upgrade Kits

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550-619 Universal, ECU Upgrade Kit -
Part Number: H19550619
Vehicle Info Required to Guarantee Fit
$2,878.95
Vehicle Fitment
  • 2012 Ford F-150 Lariat 8 Cyl 5.0L
  • 2012 Ford F-150 FX4 8 Cyl 5.0L
  • 2012 Ford Mustang Boss 302 8 Cyl 5.0L
  • 2012 Ford F-150 XLT 8 Cyl 5.0L
  • 2012 Ford F-150 Platinum 8 Cyl 5.0L
  • 2012 Ford F-150 XL 8 Cyl 5.0L
  • 2012 Ford F-150 STX 8 Cyl 5.0L
  • 2012 Ford F-150 FX2 8 Cyl 5.0L
  • 2012 Ford F-150 King Ranch 8 Cyl 5.0L
  • 2012 Ford Mustang GT 8 Cyl 5.0L
Product Details
Warranty : 90-day Holley limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Additional Promotions : Holley Brands IRS Tax SaleSpecialty Part : Performance Part by JCWProduct Fit : Universal
550-625N Universal, ECU Upgrade Kit -
Part Number: H19550625N
Vehicle Info Required to Guarantee Fit
$3,418.95
Vehicle Fitment
  • 2013 - 2017 Ford F-150 King Ranch 8 Cyl 5.0L
  • 2013 - 2017 Ford F-150 XL 8 Cyl 5.0L
  • 2013 - 2017 Ford Mustang GT 8 Cyl 5.0L
  • 2013 - 2017 Ford F-150 Lariat 8 Cyl 5.0L
  • 2013 - 2017 Ford F-150 XLT 8 Cyl 5.0L
  • 2015 - 2017 Ford Mustang GT Premium 8 Cyl 5.0L
  • 2013 - 2014 Ford F-150 FX2 8 Cyl 5.0L
  • 2013 - 2014 Ford F-150 FX4 8 Cyl 5.0L
  • 2013 - 2017 Ford F-150 Platinum 8 Cyl 5.0L
  • 2016 - 2017 Ford F-150 SSV 8 Cyl 5.0L
  • 2013 Ford Mustang Boss 302 8 Cyl 5.0L
  • 2013 - 2014 Ford F-150 STX 8 Cyl 5.0L
  • 2015 Ford Mustang GT 50 Years Limited Edition 8 Cyl 5.0L
Product Details
Warranty : 90-day Holley limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Additional Promotions : Holley Brands IRS Tax SaleSpecialty Part : Performance Part by JCWProduct Fit : Universal
550-628 Universal, ECU Upgrade Kit -
Part Number: H19550628
Vehicle Info Required to Guarantee Fit
$2,338.95
Vehicle Fitment
  • 2011 - 2017 Ford F-150 Lariat 8 Cyl 5.0L
  • 2011 - 2017 Ford F-150 XLT 8 Cyl 5.0L
  • 2011 - 2017 Ford Mustang GT 8 Cyl 5.0L
  • 2011 - 2017 Ford F-150 King Ranch 8 Cyl 5.0L
  • 2011 - 2014 Ford F-150 FX2 8 Cyl 5.0L
  • 2011 - 2017 Ford F-150 Platinum 8 Cyl 5.0L
  • 2011 - 2017 Ford F-150 XL 8 Cyl 5.0L
  • 2011 - 2014 Ford F-150 STX 8 Cyl 5.0L
  • 2016 - 2017 Ford F-150 SSV 8 Cyl 5.0L
  • 2011 - 2012 Ford F-150 FX4 8 Cyl 5.0L
  • 2015 - 2017 Ford Mustang GT Premium 8 Cyl 5.0L
  • 2015 Ford Mustang GT 50 Years Limited Edition 8 Cyl 5.0L
Product Details
Warranty : 90-day Holley limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Additional Promotions : Holley Brands IRS Tax SaleSpecialty Part : Performance Part by JCWProduct Fit : Universal
550-628N Universal, ECU Upgrade Kit -
Part Number: H19550628N
Vehicle Info Required to Guarantee Fit
$2,563.95
Vehicle Fitment
  • 2011 - 2017 Ford F-150 Lariat 8 Cyl 5.0L
  • 2011 - 2017 Ford F-150 XLT 8 Cyl 5.0L
  • 2011 - 2017 Ford Mustang GT 8 Cyl 5.0L
  • 2011 - 2017 Ford F-150 King Ranch 8 Cyl 5.0L
  • 2011 - 2014 Ford F-150 FX2 8 Cyl 5.0L
  • 2011 - 2017 Ford F-150 Platinum 8 Cyl 5.0L
  • 2011 - 2017 Ford F-150 XL 8 Cyl 5.0L
  • 2011 - 2014 Ford F-150 STX 8 Cyl 5.0L
  • 2016 - 2017 Ford F-150 SSV 8 Cyl 5.0L
  • 2011 - 2012 Ford F-150 FX4 8 Cyl 5.0L
  • 2015 - 2017 Ford Mustang GT Premium 8 Cyl 5.0L
  • 2015 Ford Mustang GT 50 Years Limited Edition 8 Cyl 5.0L
Product Details
Warranty : 90-day Holley limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Additional Promotions : Holley Brands IRS Tax SaleSpecialty Part : Performance Part by JCWProduct Fit : Universal
550-619N Universal, ECU Upgrade Kit -
Part Number: H19550619N
Universal Fit
$3,103.95
Product Details
Warranty : 90-day Holley limited warrantyQuantity Sold : KitProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Additional Promotions : Holley Brands IRS Tax SaleSpecialty Part : Performance Part by JCWProduct Fit : Universal
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