Shop by Engine
Shop by Vehicle
Shop by Engine chevron-down

  • Select Engine

Shop by Vehicle chevron-down

  • Select Year

  • Select Make

  • Select Model

  • Select Generation

ECU/Wiring

Loading...
Sort by:
sort-descending
  • Fuel Tech LS550 V8 Complete Harness
    FTI Performance
    Fuel Tech LS550 V8 Complete Harness
    $999.00
    FTI Performance
    In stock
    Loading...
    Loading...
  • Caspers Electronics V-Plus Volt Booster Round TPS / Late Alternator
    Caspers Electronics
    Caspers Electronics V-Plus Volt Booster Round TPS / Late Alternator
    $84.61
    Caspers Electronics
    In stock
    Loading...
    Loading...
  • FAST WIRING HARNESS, XIM FOR FORD M ODULAR
    FAST
    FAST WIRING HARNESS, XIM FOR FORD M ODULAR
    $481.95
    FAST
    In stock
    Loading...
    Loading...
  • FAST WIRING HAR. XIM FOR FORD MOD. LSX COIL
    FAST
    FAST WIRING HAR. XIM FOR FORD MOD. LSX COIL
    $497.95
    FAST
    In stock
    Loading...
    Loading...
  • FAST WIRING HARNESS W/RELAY, FAST MAIN
    FAST
    FAST WIRING HARNESS W/RELAY, FAST MAIN
    $378.95
    FAST
    In stock
    Loading...
    Loading...
  • FAST WIRING HARN., EZ-EFI FLYING LE AD
    FAST
    FAST WIRING HARN., EZ-EFI FLYING LE AD
    $483.95
    FAST
    In stock
    Loading...
    Loading...
  • FAST WIRING HARNESS, XFI MAIN FOR H EMI
    FAST
    FAST WIRING HARNESS, XFI MAIN FOR H EMI
    $672.95
    FAST
    In stock
    Loading...
    Loading...
  • Roush 2015-2017 Mustang P1 to P2 Supercharger Upgrade Kit - 727 HP
    Roush
    Roush 2015-2017 Mustang P1 to P2 Supercharger Upgrade Kit - 727 HP
    $1,299.99
    Roush
    In stock
    Loading...
    Loading...
  • Roush 2018-2023 Mustang MagneRide Performance Calibration
    Roush
    Roush 2018-2023 Mustang MagneRide Performance Calibration
    $149.99
    Roush
    In stock
    Loading...
    Loading...
  • Corsa '18-'20 Mustang GT, 5.0L V8, 3.0" Cat-Back System w/ Twin 4.0" Tips Sport Sound Level
    Texas Speed & Performance
    Corsa '18-'20 Mustang GT, 5.0L V8, 3.0" Cat-Back System w/ Twin 4.0" Tips Sport Sound Level
    As low as $2,120.99
    Texas Speed & Performance
    In stock
    Loading...
    Loading...
  • Holley EFI Terminator X Max - 2003-2006 GEN III HEMI -EV1 Injectors - Drive-by-Wire Throttle Body Control
    Holley
    Holley EFI Terminator X Max - 2003-2006 GEN III HEMI -EV1 Injectors - Drive-by-Wire Throttle Body Control
    $2,199.95
    Holley
    In stock
    Loading...
    Loading...
  • TERMINATOR X TRACTION CNTRL ACTIVATION
    Holley
    TERMINATOR X TRACTION CNTRL ACTIVATION
    (10.02% OFF)
    Special Price $529.95 Regular Price $588.95
    Holley
    In stock
    Loading...
    Loading...
  • Racetronix 1999-2002 LS1 F-Body Harness Only
    Racetronix
    Racetronix 1999-2002 LS1 F-Body Harness Only
    $116.99
    Racetronix
    In stock
    Loading...
    Loading...
  • Holley Terminator X Max LS2/LS3 and Late 58x/4x LS Truck MPFI Kit with Transmission Control
    Holley
    Holley Terminator X Max LS2/LS3 and Late 58x/4x LS Truck MPFI Kit with Transmission Control
    $1,899.95
    Holley
    In stock
    Loading...
    Loading...
  • Holley EFI Terminator X Max - 2003-2006 GEN III HEMI -EV6 Injectors - Drive-by-Wire Throttle Body Control
    Holley
    Holley EFI Terminator X Max - 2003-2006 GEN III HEMI -EV6 Injectors - Drive-by-Wire Throttle Body Control
    $2,199.95
    Holley
    In stock
    Loading...
    Loading...
  • Haltech Nexus R5 + LSx Non DBW Terminated Harness
    Haltech
    Haltech Nexus R5 + LSx Non DBW Terminated Harness
    $5,734.00
    Haltech
    In stock
    Loading...
    Loading...
  • Holley Terminator X Max 24x/1x MPFI Kit with Transmission Control
    Holley
    Holley Terminator X Max 24x/1x MPFI Kit with Transmission Control
    $1,899.95
    Holley
    In stock
    Loading...
    Loading...
  • Holley Terminator X Max Early Truck 24x/1x LS MPFI Kit with Transmission Control
    Holley
    Holley Terminator X Max Early Truck 24x/1x LS MPFI Kit with Transmission Control
    $1,899.95
    Holley
    In stock
    Loading...
    Loading...
  • Genuine GM Parts Ignition Wiring Harness - for LS2 Coil Packs
    GM
    Genuine GM Parts Ignition Wiring Harness - for LS2 Coil Packs
    $93.99
    GM
    In stock
    Loading...
    Loading...
  • Holley Terminator X LS2/LS3 and Late 58x/4x LS Truck MPFI Kit
    Holley
    Holley Terminator X LS2/LS3 and Late 58x/4x LS Truck MPFI Kit
    $1,499.95
    Holley
    In stock
    Loading...
    Loading...
  • Holley Terminator X Max 58x Late Truck w/ 6L80 & DBW Control
    Holley
    Holley Terminator X Max 58x Late Truck w/ 6L80 & DBW Control
    $2,559.95
    Holley
    In stock
    Loading...
    Loading...
  • Holley Terminator X Max LS2/LS3 and Late 58x/4x LS Truck MPFI Kit with DBW Throttle Body Control
    Holley
    Holley Terminator X Max LS2/LS3 and Late 58x/4x LS Truck MPFI Kit with DBW Throttle Body Control
    $1,899.95
    Holley
    In stock
    Loading...
    Loading...
  • Gm Genuine Parts LS3 Replacement Starter Wiring Harness Connector
    GM
    Gm Genuine Parts LS3 Replacement Starter Wiring Harness Connector
    $27.25
    GM
    In stock
    Loading...
    Loading...
  • Holley Terminator TERMINATOR X MAX MPFI W/TRANS & DBW, LS1
    Holley
    Holley Terminator TERMINATOR X MAX MPFI W/TRANS & DBW, LS1
    $2,049.95
    Holley
    In stock
    Loading...
    Loading...

Items 193-216 of 217