Holley EFI Holley EFI 554-111 - High Current Nitrous Solenoid Driver MSRP: $142.95 Was: Now: $122.99 Add to Cart
Holley EFI Holley EFI 558-111 - Terminator® Throttle Body Harness MSRP: $722.95 Was: Now: $576.95 Add to Cart
Holley EFI Holley EFI 558-113 - Main Power Ignition Harness MSRP: $925.95 Was: Now: $739.95 Add to Cart
Holley EFI Holley EFI 558-302 - Tach Input Ignition Adapter MSRP: $35.19 Was: Now: $31.99 Add to Cart
Holley EFI Holley EFI 558-115 - Gen III Hemi Main Harness, Early, w/ TPS and Idle Air Control Connections MSRP: $871.95 Was: Now: $696.95 Add to Cart
Holley EFI Holley EFI 558-216 - Unterminated Fuel Injector Harness Kit MSRP: $151.95 Was: Now: $127.99 Add to Cart
Holley EFI Holley EFI 558-211 - Injector Harness; Fits w/Gen III Hemi V8 EFI Bosch/Jetronic Injectors; Stock/USCAR Style Injector; MSRP: $194.95 Was: Now: $164.99 Add to Cart
Holley EFI Holley EFI 558-203 - Fuel Injection Wire Harness MSRP: $220.95 Was: Now: $183.99 Add to Cart
Holley EFI Holley EFI 558-210 - Gen III HEMI V8 Injector Harness - Stock/USCAR style injectors MSRP: $204.95 Was: Now: $172.99 Add to Cart
Holley EFI Holley EFI 558-207 - Fuel Injection Wire Harness MSRP: $314.95 Was: Now: $258.99 Add to Cart
Holley EFI Holley EFI 558-201 - LSx Fuel Injection Harness MSRP: $178.95 Was: Now: $150.99 Add to Cart
Holley EFI Holley EFI 558-200 - Bosch Style Connector Harness MSRP: $202.95 Was: Now: $169.99 Add to Cart
Holley EFI Holley EFI 554-111 - High Current Nitrous Solenoid Driver Holley EFI - 554-111High Current Nitrous Solenoid Driver; 40 Amp Maximum Draw;High Current Nitrous Solenoid Driver for use with Holley EFI40 Amp Maximum Current DrawAMP DRAW: 40 Amps MaximumBrand:... MSRP: $142.95 Was: Now: $122.99 Add to Cart
Holley EFI Holley EFI 558-111 - Terminator® Throttle Body Harness Holley EFI - 558-111Main Engine Harness for 24x LS w/TBIMain Harness for us with 24x/1x Gen 3 LS with Terminator Throttle Body Fuel InjectionMain Engine harness intended for use with Terminator X, X... MSRP: $722.95 Was: Now: $576.95 Add to Cart
Holley EFI Holley EFI 554-108 - EFI 5 Bar MAP Holley EFI - 554-108Holley EFI 5 Bar MAPMap Sensor; HP And Dominator; 5 Bar;5 Bar MAP sensor (0-520 kPa) Preconfigured for use in Holley HP and Dominator systems 1/8-27 NPT ThreadMAP Sensor2... MSRP: $178.95 Was: Now: $150.99 Add to Cart
Holley EFI Holley EFI 554-107 - Map Sensor; 3 Bar; Holley EFI - 554-107Holley 3 Bar MAP SensorWhether your engine has forced induction or is naturally aspirated, these Holley MAP sensors will keep your engine performing at its best. They're available... MSRP: $155.95 Was: Now: $132.99 Add to Cart
Holley EFI Holley EFI 554-103 - Fuel Pressure Sensor Holley EFI - 554-103200 PSI Stainless Pressure SensorFuel Pressure Sensor; 0-200 psi.; Plug And Play For Fuel And Oil Pressure Inputs w/Holley EFI Systems;Plug and play for Holley Avenger,... MSRP: $220.95 Was: Now: $183.99 Add to Cart
Holley EFI Holley EFI 558-212 - Ford V8 Injector Harness Holley EFI - 558-212Ford V8 Injector Harness for Ford USCAR / EV6 style Fuel Injectors (Evenly Spaced)Ford V8 Injector HarnessBrand: Holley EFIEmission Code: 3Harness Application: FordHarness Type:... MSRP: $194.95 Was: Now: $159.99 Add to Cart
Holley EFI Holley EFI 558-304 - HEI Ignition Harness Holley EFI - 558-304HEI GM Small Cap Ignition HarnessHEI Ignition Harness for Avenger EFI, HP EFI & Dominator EFIHEI Adapter HarnessHEI Ignition HarnessBrand: Holley EFIEmission Code: 3Harness... MSRP: $68.19 Was: Now: $61.99 Add to Cart
Holley EFI Holley EFI 558-113 - Main Power Ignition Harness Holley EFI - 558-113Ford Modular 2V & 4V Main Harness for use with Holley Smart CoilsMain Harness for 99-04 2 & 4 Valve Ford Modular (4.6 & 5.4L) Engines for use with Holley Smart CoilsMain Power... MSRP: $925.95 Was: Now: $739.95 Add to Cart
Holley EFI Holley EFI 558-302 - Tach Input Ignition Adapter Holley EFI - 558-302Tach Input Ignition Adapter; For Use On Applications Using A CD Box; Plugs Into [Ignition] Connector On Main Harness; Yellow/Black Lead Connects To [Tach Out] Terminal;This is... MSRP: $35.19 Was: Now: $31.99 Add to Cart
Holley EFI Holley EFI 558-115 - Gen III Hemi Main Harness, Early, w/ TPS and Idle Air Control Connections Holley EFI - 558-115Gen III Hemi Main Harness, Early, w/ TPS and Idle Air Control ConnectionsHEMI Main Harness; Fits w/Gen III Hemi; Early w/Throttle Position Sensor And Idle Air Control... MSRP: $871.95 Was: Now: $696.95 Add to Cart
Holley EFI Holley EFI 558-216 - Unterminated Fuel Injector Harness Kit Holley EFI - 558-216Holley EFI EV6 Unterminated Injector Harness KitUnterminated Fuel Injector Harness Kit; Fits EV6 Injector Harness To An 8 Cylinder Engine;Introducing the latest addition to the... MSRP: $151.95 Was: Now: $127.99 Add to Cart
Holley EFI Holley EFI 558-219 - Injector Driver Harness Holley EFI - 558-219Injector Driver Harness; For Use w/PN[554-143/554-114]; Incl. J2B Connector;The Holley EFI Injector Driver Harness comes pre-terminated with a J2B connector, for plug and play... MSRP: $323.95 Was: Now: $259.16 Add to Cart
Holley EFI Holley EFI 558-214 - Multec Injector Harness Holley EFI - 558-214INJECTOR HARNESS - EARLY TRUCKMultec Injector Harness; For LS Swap; 2 Injector; Early Truck;MULTEC 2 INJECTOR HARNESS - EARLY TRUCKEFI Analog Style Gauge50 State LegalBrand:... MSRP: $284.95 Was: Now: $227.66 Add to Cart
Holley EFI Holley EFI 558-213 - Ford V8 Injector Harness Holley EFI - 558-213Evenly spaced Ford V8 Injector Harness for Jetronic "Bosch EV1" style InjectorsFord V8 Injector Harness for Jetronic "Bosch" style Fuel Injectors (Evenly Spaced)Ford V8 Injector... MSRP: $204.95 Was: Now: $166.99 Add to Cart
Holley EFI Holley EFI 558-211 - Injector Harness; Fits w/Gen III Hemi V8 EFI Bosch/Jetronic Injectors; Stock/USCAR Style Injector; Holley EFI - 558-211Gen III HEMI Injector Harness with Bosch/Jetronic and Holley injectors used for upgrades and racing for HP EFI & Dominator EFIAn Injector Harness is required and Holley offers two... MSRP: $194.95 Was: Now: $164.99 Add to Cart
Holley EFI Holley EFI 558-203 - Fuel Injection Wire Harness Holley EFI - 558-203Universal 6 Cylinder Injector HarnessFuel Injection Wire Harness; Universal; 6 Cylinder; For HP EFI/Dominator EFI Fuel Injection Systems;This is a replacement 8 cylinder injector... MSRP: $220.95 Was: Now: $183.99 Add to Cart
Holley EFI Holley EFI 558-209 - Ford V8 Injector Harness Holley EFI - 558-209Ford V8 Injector Harness for HP EFI & Dominator EFIFord V8 Injector HarnessBrand: Holley EFIEmission Code: 3Harness Application: FordHarness Type: InjectorProduct Type: Ford EV1... MSRP: $259.95 Was: Now: $213.99 Add to Cart
Holley EFI Holley EFI 558-210 - Gen III HEMI V8 Injector Harness - Stock/USCAR style injectors Holley EFI - 558-210Gen III HEMI V8 Injector Harness - Stock/USCAR style injectorsGen III HEMI Injector Harness with Stock/USCAR style Injectors for HP EFI & Dominator EFIAn Injector Harness is... MSRP: $204.95 Was: Now: $172.99 Add to Cart
Holley EFI Holley EFI 558-207 - Fuel Injection Wire Harness Holley EFI - 558-207Unterminated 16 injectors MPFI harnessFuel Injection Wire Harness; Universal Unterminated 16 Injector; For HP MPFI/Dominator MPFI Fuel Injection Systems;Unterminated 16 injectors... MSRP: $314.95 Was: Now: $258.99 Add to Cart
Holley EFI Holley EFI 558-201 - LSx Fuel Injection Harness Holley EFI - 558-201LSx Injector Harness - For EV6 Style InjectorsLSx Fuel Injection Harness; EV6 Style; For HP EFI/Dominator EFI Fuel Injection Systems;Holley products have been the undisputed... MSRP: $178.95 Was: Now: $150.99 Add to Cart
Holley EFI Holley EFI 558-200 - Bosch Style Connector Harness Holley EFI - 558-200V8 over Manifold, Bosch Style Injector HarnessV8 over Manifold, Bosch Style Connector Harness for Avenger EFI, HP EFI, Dominator EFI and Terminator X. GM / Chrysler Cylinder... MSRP: $202.95 Was: Now: $169.99 Add to Cart
