EFI Systems and Components

Showing 751–800 of 900 results

Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low

• Sale!
  Add to cart

  HOLLEY EFI MAIN POWER HARNESS Main Power Harness for Avenger EFI, HP EFI, & Dominator EFI Part # 558-308

  $102.95 Original price was: $102.95.$90.75Current price is: $90.75.
• Sale!
  Add to cart

  HOLLEY EFI SEALED USB DATA CABLE Holley EFI Sealed USB Cable 15′ Part # 558-438

  $137.95 Original price was: $137.95.$121.95Current price is: $121.95.
• Sale!
  Add to cart

  HOLLEY EFI TERMINATOR 1 BAR MAP SENSOR Terminator 1 bar MAP sensor Part # 554-120

  $116.95 Original price was: $116.95.$103.95Current price is: $103.95.
• Sale!
  Add to cart

  HOLLEY EFI TERMINATOR EFI ECU Replacement Terminator EFI ECU Part # 554-119

  $2,249.95 Original price was: $2,249.95.$1,999.95Current price is: $1,999.95.
• Sale!
  Add to cart

  HOLLEY EFI TERMINATOR FUEL INJECTOR 80 LB/HR – INDIVIDUAL Terminator 80PPH injector (single) Part # 522-801

  $155.95 Original price was: $155.95.$137.95Current price is: $137.95.
• Sale!
  Add to cart

  HOLLEY EFI TERMINATOR LS MPFI KIT 1997-2007 4.8/5.3/6.0 Truck Engines with 24x crank reluctor – with DRIVE-BY-WIRE, No Laptop Required, 3.5″ Touchscreen Included Part # 550-615

  $4,499.95 Original price was: $4,499.95.$3,999.95Current price is: $3,999.95.
• Sale!
  Add to cart

  HOLLEY EFI TERMINATOR LS MPFI KIT 1997-2007 4.8/5.3/6.0 Truck Engines with 24x crank reluctor, No Laptop Required, 3.5″ Touchscreen Included Part # 550-614

  $3,037.95 Original price was: $3,037.95.$2,699.95Current price is: $2,699.95.
• Sale!
  Add to cart

  HOLLEY EFI TERMINATOR LS MPFI KIT GM LS2/LS3 Engines and 2007 to current 4.8/5.3/6.0 Truck Engines with 58x crank reluctor – with DRIVE-BY-WIRE & TRANSMISSION CONTROL, No Laptop Required, 3.5″ Touchscreen Included Part # 550-613

  $4,837.95 Original price was: $4,837.95.$4,299.95Current price is: $4,299.95.
• Sale! Out of stock
  Read more

  HOLLEY EFI TERMINATOR MAIN HARNESS Replacement main wiring harness for Terminator EFI kits 550-405 and 550-406 Part # 558-414

  $518.95 Original price was: $518.95.$460.95Current price is: $460.95.
• Sale!
  Add to cart

  HOLLEY EFI TERMINATOR STEALTH 2X4 MAIN HARNESS Part # 558-121

  $518.95 Original price was: $518.95.$460.95Current price is: $460.95.
• Sale!
  Add to cart

  HOLLEY EFI TERMINATOR STEALTH 2X4 PRIMARY THROTTLE BODY SUB HARNESS Part # 558-459

  $239.95 Original price was: $239.95.$212.95Current price is: $212.95.
• Sale! Out of stock
  Read more

  HOLLEY EFI TERMINATOR STEALTH 2X4 SLAVE THROTTLE BODY – CLASSIC GOLD Part # 534-242

  $1,178.00 Original price was: $1,178.00.$1,059.95Current price is: $1,059.95.
• Sale! Out of stock
  Read more

  HOLLEY EFI TERMINATOR STEALTH 2X4 SLAVE THROTTLE BODY – HARD CORE GRAY Part # 534-241

  $1,178.00 Original price was: $1,178.00.$1,059.95Current price is: $1,059.95.
• Sale! Out of stock
  Read more

  HOLLEY EFI TERMINATOR STEALTH 2X4 SLAVE THROTTLE BODY – POLISHED Part # 534-240

  $1,139.00 Original price was: $1,139.00.$717.47Current price is: $717.47.
• Sale! Out of stock
  Read more

  HOLLEY EFI TERMINATOR STEALTH EFI KIT – CLASSIC GOLD FINISH Terminator™ EFI 4bbl Throttle Body Fuel Injection Stealth Finish – Classic Gold Part # 550-444

  $3,064.00 Original price was: $3,064.00.$2,756.95Current price is: $2,756.95.
• Sale! Out of stock
  Read more

  HOLLEY EFI TERMINATOR STEALTH EFI KIT – HARD CORE GRAY Terminator™ EFI 4bbl Throttle Body Fuel Injection Stealth Finish – Hard Core Gray Part # 550-441

  $3,156.00 Original price was: $3,156.00.$2,839.95Current price is: $2,839.95.
• Sale! Out of stock
  Read more

  HOLLEY EFI TERMINATOR STEALTH EFI KIT-SHINY Terminator™ EFI 4bbl Throttle Body Fuel Injection Stealth Finish – Polished Part # 550-440

  $3,078.00 Original price was: $3,078.00.$2,769.95Current price is: $2,769.95.
• Sale! Out of stock
  Read more

  HOLLEY EFI TERMINATOR STEALTH EFI MASTER KIT- CLASSIC GOLD FINISH Terminator™ EFI 4bbl Throttle Body Fuel Injection Stealth & Complete Fuel System Part # 550-444K

  $3,513.00 Original price was: $3,513.00.$3,293.95Current price is: $3,293.95.
• Sale! Out of stock
  Read more

  HOLLEY EFI TERMINATOR STEALTH EFI MASTER KIT-HARD CORE GRAY Terminator™ EFI 4bbl Throttle Body Fuel Injection Stealth & Complete Fuel System Part # 550-441K

  $3,773.00 Original price was: $3,773.00.$3,394.95Current price is: $3,394.95.
• Sale! Out of stock
  Read more

  HOLLEY EFI TERMINATOR STEALTH EFI MASTER KIT-SHINY Terminator™ EFI 4bbl Throttle Body Fuel Injection Stealth & Complete Fuel System Part # 550-440K

  $3,693.00 Original price was: $3,693.00.$3,322.95Current price is: $3,322.95.
• Sale! Out of stock
  Read more

  HOLLEY EFI TERMINATOR STEALTH EFI W/ GM TRANSMISSION CONTROL – CLASSIC GOLD FINISH Terminator™ EFI 4bbl Throttle Body w/ GM Trans Control Fuel Injection Stealth Part # 550-445

  $3,958.00 Original price was: $3,958.00.$3,561.95Current price is: $3,561.95.
• Sale! Out of stock
  Read more

  HOLLEY EFI TERMINATOR STEALTH EFI W/ GM TRANSMISSION CONTROL – POLISHED Terminator™ EFI 4bbl Throttle Body w/GM Trans Control Fuel Injection Stealth Finish – Polished Part # 550-442

  $4,002.00 Original price was: $4,002.00.$3,600.95Current price is: $3,600.95.
• Sale! Out of stock
  Read more

  HOLLEY EFI TERMINATOR STEALTH EFI W/ GM TRANSMISSION CONTROL -HARD CORE GRAY Terminator™ EFI 4bbl Throttle Body w/ GM Trans Control Fuel Injection Stealth Finish – Hard Core Gray Part # 550-443

  $4,077.00 Original price was: $4,077.00.$3,668.95Current price is: $3,668.95.
• Sale! Out of stock
  Read more

  HOLLEY EFI TERMINATOR STEALTH SERVICE THROTTLE BODY – CLASSIC GOLD Replacement Throttle Body 4bbl for Stealth Terminator EFI Kit Part # 534-229

  $856.00 Original price was: $856.00.$769.95Current price is: $769.95.
• Sale! Out of stock
  Read more

  HOLLEY EFI TERMINATOR STEALTH SERVICE THROTTLE BODY – HARD CORE GRAY Replacement Throttle Body 4bbl for Stealth Terminator EFI Kit Part # 534-226

  $1,425.00 Original price was: $1,425.00.$897.37Current price is: $897.37.
• Sale! Out of stock
  Read more

  HOLLEY EFI TERMINATOR STEALTH SERVICE THROTTLE BODY – POLISHED Replacement Throttle Body 4bbl for Stealth Terminator EFI Kit Part # 534-225

  $1,312.00 Original price was: $1,312.00.$578.18Current price is: $578.18.
• Sale!
  Add to cart

  HOLLEY EFI TERMINATOR THROTTLE BODY HARNESS Injector upgrade harness for Terminator Throttle Bodies. Part # 558-439

  $258.95 Original price was: $258.95.$229.95Current price is: $229.95.
• Sale! Out of stock
  Read more

  HOLLEY EFI TERMINATOR THROTTLE BODY HARNESS Replacement throttle body wiring harness for Terminator EFI kits 550-405 and 550-406 Part # 558-415

  $223.00 Original price was: $223.00.$199.95Current price is: $199.95.
• Sale! Out of stock
  Read more

  HOLLEY EFI TERMINATOR X PERFORMANCE FUEL INJECTORS – SET OF EIGHT PICO/EV6 – 100 lb/hr – High Impedance Part # 522-108X

  $456.00 Original price was: $456.00.$379.95Current price is: $379.95.
• Sale!
  Add to cart

  HOLLEY EFI TERMINATOR X PERFORMANCE FUEL INJECTORS – SET OF EIGHT PICO/EV6 – 220 lb/hr – High Impedance Part # 522-228X

  $775.00 Original price was: $775.00.$645.95Current price is: $645.95.
• Sale!
  Add to cart

  HOLLEY EFI TERMINATOR X PERFORMANCE FUEL INJECTORS – SET OF EIGHT PICO/EV6 – 76 lb/hr – High Impedance – Flow Matched Part # 522-768XFM

  $698.95 Original price was: $698.95.$620.95Current price is: $620.95.
• Sale!
  Add to cart

  HOLLEY EFI TPI/STEALTH RAM MAIN HARNESS TPI/Stealth Ram™ Main Harness for Avenger EFI, HP EFI & Dominator EFI Part # 558-101

  $653.95 Original price was: $653.95.$580.95Current price is: $580.95.
• Sale!
  Add to cart

  HOLLEY EFI UNIVERSAL 4 CYLINDER INJECTOR HARNESS Universal 4 Cylinder Injector Harness for HP EFI & Dominator EFI Part # 558-202

  $123.00 Original price was: $123.00.$48.49Current price is: $48.49.
• Sale!
  Add to cart

  HOLLEY EFI UNIVERSAL 4 EV14 CYLINDER INJECTOR HARNESS Universal 4 Cylinder EV14 Injector Harness for HP EFI & Dominator EFI Part # 558-440

  $124.95 Original price was: $124.95.$110.95Current price is: $110.95.
• Sale!
  Add to cart

  HOLLEY EFI UNIVERSAL 6 CYLINDER INJECTOR HARNESS Universal 6 Cylinder Injector Harness for HP EFI & Dominator EFI Part # 558-203

  $220.95 Original price was: $220.95.$195.95Current price is: $195.95.
• Sale!
  Add to cart

  HOLLEY EFI UNIVERSAL FORD V-8 HARNESS KIT Universal Ford V8, Bosch Injector Part # 558-508

  $885.95 Original price was: $885.95.$510.95Current price is: $510.95.
• Sale!
  Add to cart

  HOLLEY EFI UNIVERSAL MPFI COIL ON PLUG MAIN HARNESS UNIVERSAL MPFI W/ COP MAIN HARNESS Part # 558-117

  $634.95 Original price was: $634.95.$563.95Current price is: $563.95.
• Sale!
  Add to cart

  HOLLEY EFI UNIVERSAL MPFI MAIN HARNESS Universal MPFI Main Harness for HP EFI & Dominator EFI Part # 558-104

  $546.95 Original price was: $546.95.$485.95Current price is: $485.95.
• Sale!
  Add to cart

  HOLLEY EFI UNIVERSAL UNTERMINATED IGNITION HARNESS Universal Unterminated Ignition Harness for HP EFI & Dominator EFI Part # 558-306

  $206.95 Original price was: $206.95.$119.55Current price is: $119.55.
• Sale!
  Add to cart

  HOLLEY EFI UNIVERSAL UNTERMINATED INJECTOR HARNESS Universal Unterminated Injector Harness for HP EFI & Dominator EFI(Bosch EV1 style). Part # 558-204

  $233.95 Original price was: $233.95.$155.95Current price is: $155.95.
• Sale!
  Add to cart

  HOLLEY EFI UNIVERSAL V8 MPFI EFI HARNESS KIT Universal V8 MPFI Part # 558-504

  $898.95 Original price was: $898.95.$798.95Current price is: $798.95.
• Sale!
  Add to cart

  HOLLEY EFI UNTERMINATED 15′ FLYING LEAD MAIN HARNESS Pre-Terminated J1A / J1B 15′ Flying Lead Main Harness Part # 558-126

  $439.95 Original price was: $439.95.$390.95Current price is: $390.95.
• Sale!
  Add to cart

  HOLLEY EFI UNTERMINATED 16 INJECTORS MPFI HARNESS Unterminated 16 injectors MPFI harness Terminated at injector connectors (Bosch EV1 style). Part # 558-207

  $314.95 Original price was: $314.95.$279.95Current price is: $279.95.
• Sale! Out of stock
  Read more

  HOLLEY EFI UNTERMINATED 24 INJECTOR MPFI HARNESS Unterminated 24 injector MPFI harness Terminated at injector connectors (Bosch EV1 style). Part # 558-208

  $378.00 Original price was: $378.00.$84.99Current price is: $84.99.
• Sale!
  Add to cart

  HOLLEY EFI UNTERMINATED UNIVERSAL MAIN HARNESS Unterminated Universal Main Harness for HP EFI & Dominator EFI Part # 558-105

  $546.95 Original price was: $546.95.$485.95Current price is: $485.95.
• Sale!
  Add to cart

  HOLLEY EFI V8 OVER MANIFOLD, BOSCH STYLE INJECTOR HARNESS V8 over Manifold, Bosch Style Connector Harness for Avenger EFI, HP EFI, Dominator EFI and Terminator X. GM / Chrysler Cylinder Orientation Part # 558-200

  $202.95 Original price was: $202.95.$179.95Current price is: $179.95.
• Sale! Out of stock
  Read more

  HOLLEY EFI WIDEBAND OXYGEN SENSOR EXTENSION CABLE 4 feet long – Ideal for Holley EFI Part # 534-199

  $164.95 Original price was: $164.95.$145.95Current price is: $145.95.
• Sale! Out of stock
  Read more

  HOLLEY SNIPER EFI 2GC SMALL BORE – SHINY FINISH Sniper EFI Conversion kit for 1955 to 1969 Chevrolet, Buick, Oldsmobile, and Pontiac vehicles that came with Rochester 2GC Small Bore Carbs. Finish – Shiny Part # 550-864

  $1,400.00 Original price was: $1,400.00.$1,259.95Current price is: $1,259.95.
• Sale! Out of stock
  Read more

  HOLLEY SNIPER EFI HOLLEY SNIPER EFI 2300 DROP-IN RETURN STYLE MASTER KIT – BLACK FINISH Holley Sniper 2 Barrel Fuel Injection Conversion – Self-Tuning Kit + Handheld Display – Black Finish Finish – Black Part # 550-850D

  $2,034.00 Original price was: $2,034.00.$1,829.95Current price is: $1,829.95.
• Sale! Out of stock
  Read more

  HOLLEY SNIPER EFI HOLLEY SNIPER EFI 2300 DROP-IN RETURN STYLE MASTER KIT – CLASSIC GOLD FINISH Holley Sniper 2 Barrel Fuel Injection Conversion – Self-Tuning Kit + Handheld Display – Classic Finish Finish – Classic Gold Part # 550-851D

  $2,034.00 Original price was: $2,034.00.$1,829.95Current price is: $1,829.95.