Holley EFI Holley EFI 558-406 - Dominator EFI GM Drive By Wire Harness MSRP: $281.95 Was: Now: $249.95 Add to Cart
Holley EFI Holley EFI 555-101 - EFI Active Speed Management - V3 Terminator X MSRP: $646.95 Was: Now: $574.95 Add to Cart
Holley EFI Holley EFI 558-140 - Ford 7.3L Godzilla Main Harness for Stock Coils MSRP: $520.95 Was: Now: $374.95 Add to Cart
Holley EFI Holley EFI 556-172 - 6.56-Inch 12-1X Crank Trigger Kit, SBF, Hall Effect MSRP: $731.95 Was: Now: $649.95 Add to Cart
Holley EFI Holley EFI 556-171 - 7" 12-1x Modular Crank Trigger Kit MSRP: $731.95 Was: Now: $649.95 Add to Cart
Holley EFI Holley EFI 556-173 - 7-Inch 12-1X Crank Trigger Kit, Coyote, Hall Effect MSRP: $843.95 Was: Now: $749.95 Add to Cart
Holley EFI Holley EFI 558-130 - EFI LT4 Engine Main Harness MSRP: $646.95 Was: Now: $574.95 Add to Cart
Holley EFI Holley EFI 556-176 - 6.56-Inch 12-1X Crank Trigger Kit, LS, Hall Effect MSRP: $731.95 Was: Now: $649.95 Add to Cart
Holley EFI Holley EFI 556-174 - 8-Inch 12-1X Crank Trigger Kit, LS, Hall Effect MSRP: $731.95 Was: Now: $649.95 Add to Cart
Holley EFI Holley EFI 556-175 - 7.25-Inch 12-1X Crank Trigger Kit, LS, Hall Effect MSRP: $731.95 Was: Now: $649.95 Add to Cart
Holley EFI Holley EFI 556-170 - 8-Inch 12-1X Crank Trigger Kit, BBC, Hall Effect MSRP: $731.95 Was: Now: $649.95 Add to Cart
Holley EFI Holley EFI 558-220 - EFI GM GEN V GDI Sub Harness MSRP: $168.95 Was: Now: $162.99 Add to Cart
Holley EFI Holley EFI 558-221 - EFI GM GEN V GDI Sub Harness MSRP: $168.95 Was: Now: $162.99 Add to Cart
Holley EFI Holley EFI 556-180 - 8-Inch 12-1X Crank Trigger Wheel MSRP: $337.95 Was: Now: $299.95 Add to Cart
Holley EFI Holley EFI 558-129 - EFI Gen V LT Engine Main Harness MSRP: $646.95 Was: Now: $574.95 Add to Cart
Holley EFI Holley EFI 556-181 - 7-Inch 12-1x Crank Trigger Wheel MSRP: $337.95 Was: Now: $299.95 Add to Cart
Holley EFI Holley EFI 556-184 - 6.56-Inch 12-1x Crank Trigger Wheel MSRP: $337.95 Was: Now: $299.95 Add to Cart
Holley EFI Holley EFI 556-183 - 6.56-Inch 12-1x Crank Trigger Wheel MSRP: $337.95 Was: Now: $299.95 Add to Cart
Holley EFI Holley EFI 556-182 - 7.25-Inch 12-1x Crank Trigger Wheel MSRP: $337.95 Was: Now: $299.95 Add to Cart
Holley EFI Holley EFI 556-185 - 6.25-Inch 12-1x Crank Trigger Wheel MSRP: $337.95 Was: Now: $299.95 Add to Cart
Holley EFI Holley EFI 558-328 - Sniper EFI Hyperspark Harness MSRP: $361.95 Was: Now: $320.95 Add to Cart
Holley EFI Holley EFI 556-163 - EFI GEN III HEMI SMART COILS MSRP: $790.95 Was: Now: $456.95 Add to Cart
Holley EFI Holley EFI 558-406 - Dominator EFI GM Drive By Wire Harness Holley EFI - 558-406Dominator EFI GM Drive-By-Wire HarnessGM Dominator and Terminator X Max EFIPlug and Play with Holley Throttle Pedal; Holley part number 145-160Designed to work with GM Throttle... MSRP: $281.95 Was: Now: $249.95 Add to Cart
Holley EFI Holley EFI 555-101 - EFI Active Speed Management - V3 Terminator X Holley EFI - 555-101Holley EFI Active Speed Management - V3 Terminator XDrag Race Traction Control for Terminator X - Requires V3 SoftwareEach purchase allows activation of the traction management... MSRP: $646.95 Was: Now: $574.95 Add to Cart
Holley EFI Holley EFI 558-140 - Ford 7.3L Godzilla Main Harness for Stock Coils Holley EFI - 558-140Ford 7.3L Godzilla Main Harness for Stock CoilsIncludes VVT and Oil Pump ConnectorsThe Terminator X offers an advanced engine management solution specifically tailored for the... MSRP: $520.95 Was: Now: $374.95 Add to Cart
Holley EFI Holley EFI 556-172 - 6.56-Inch 12-1X Crank Trigger Kit, SBF, Hall Effect Holley EFI - 556-1726.56-Inch 12-1X Crank Trigger Kit, SBF, Hall EffectCrank Trigger Kit; For Use w/Small Block Ford; 6.56 in. Dia.; 12-1 Or 12X; 6061-T6 Aluminum; Incl. Instructions/Cover Mechanical... MSRP: $731.95 Was: Now: $649.95 Add to Cart
Holley EFI Holley EFI 556-171 - 7" 12-1x Modular Crank Trigger Kit Holley EFI - 556-1717" 12-1x Modular Crank Trigger KitCrank Trigger Kit; For Use w/Small Block Chevy; 7 in. Dia.; 12-1 Or 12X; 6061-T6 Aluminum; Incl. Instructions/Cover Mechanical Setup/3 Wire Hall... MSRP: $731.95 Was: Now: $649.95 Add to Cart
Holley EFI Holley EFI 556-173 - 7-Inch 12-1X Crank Trigger Kit, Coyote, Hall Effect Holley EFI - 556-1737-Inch 12-1X Crank Trigger Kit, Coyote, Hall EffectCrank Trigger Kit; For Use w/Coyote Engine; 7 in. Dia.; 12-1 Or 12X; 6061-T6 Aluminum; Incl. Instructions/Cover Mechanical... MSRP: $843.95 Was: Now: $749.95 Add to Cart
Holley EFI Holley EFI 558-130 - EFI LT4 Engine Main Harness Holley EFI - 558-130Holley EFI LT4 Engine Main HarnessFor use with Terminator X - Requires V3 SoftwareThis harness is designed for use with Terminator X ECU's Only with V3 build 100 or later.Brand:... MSRP: $646.95 Was: Now: $574.95 Add to Cart
Holley EFI Holley EFI 556-176 - 6.56-Inch 12-1X Crank Trigger Kit, LS, Hall Effect Holley EFI - 556-1766.56-Inch 12-1X Crank Trigger Kit, LS, Hall EffectCrank Trigger Kit; For Use w/Gen III And IV LS; 6.56 in. Dia.; 12-1 Or 12X; 6061-T6 Aluminum; Incl. Instructions/Cover Mechanical... MSRP: $731.95 Was: Now: $649.95 Add to Cart
Holley EFI Holley EFI 556-174 - 8-Inch 12-1X Crank Trigger Kit, LS, Hall Effect Holley EFI - 556-1748-Inch 12-1X Crank Trigger Kit, LS, Hall EffectCrank Trigger Kit; For Use w/Gen III And IV LS; 8 in. Dia.; 12-1 Or 12X; 6061-T6 Aluminum; Incl. Instructions/Cover Mechanical... MSRP: $731.95 Was: Now: $649.95 Add to Cart
Holley EFI Holley EFI 556-175 - 7.25-Inch 12-1X Crank Trigger Kit, LS, Hall Effect Holley EFI - 556-1757.25-Inch 12-1X Crank Trigger Kit, LS, Hall EffectCrank Trigger Kit; For Use w/Gen III And IV LS; 7.25 in. Dia.; 12-1 Or 12X; 6061-T6 Aluminum; Incl. Instructions/Cover Mechanical... MSRP: $731.95 Was: Now: $649.95 Add to Cart
Holley EFI Holley EFI 556-170 - 8-Inch 12-1X Crank Trigger Kit, BBC, Hall Effect Holley EFI - 556-1708-Inch 12-1X Crank Trigger Kit, BBC, Hall EffectCrank Trigger Kit; For Use w/Big Block Chevy; 8 in. Dia.; 12-1 Or 12X; 6061-T6 Aluminum; Incl. Instructions/Cover Mechanical... MSRP: $731.95 Was: Now: $649.95 Add to Cart
Holley EFI Holley EFI 558-220 - EFI GM GEN V GDI Sub Harness Holley EFI - 558-220Holley EFI GM GEN V GDI Sub HarnessFor Early LTx EnginesGM GEN V GDI Sub harness for early LTx Engines. The fuel pressure sensor easily identifies these engines, early engines use... MSRP: $168.95 Was: Now: $162.99 Add to Cart
Holley EFI Holley EFI 558-221 - EFI GM GEN V GDI Sub Harness Holley EFI - 558-221Holley EFI GM GEN V GDI Sub HarnessGM GEN V GDI Sub harness for Late LTx Engines. The fuel pressure sensor easily identifies these engines, Late engines use a 3-pin fuel pressure... MSRP: $168.95 Was: Now: $162.99 Add to Cart
Holley EFI Holley EFI 556-180 - 8-Inch 12-1X Crank Trigger Wheel Holley EFI - 556-1808-Inch 12-1X Crank Trigger WheelCrank Trigger Kit; For Use w/Big Block Chevy And LS; 8 in. Dia.; 12-1 Or 12X; 6061-T6 Aluminum; Incl. Instructions/Cover Mechanical Setup/3 Wire... MSRP: $337.95 Was: Now: $299.95 Add to Cart
Holley EFI Holley EFI 558-129 - EFI Gen V LT Engine Main Harness Holley EFI - 558-129Holley EFI Gen V LT Engine Main HarnessFor use with Terminator X and X MaxThis harness is designed for use with Terminator X and X Max ECU's Only.Used on Terminator X and... MSRP: $646.95 Was: Now: $574.95 Add to Cart
Holley EFI Holley EFI 556-181 - 7-Inch 12-1x Crank Trigger Wheel Holley EFI - 556-1817-Inch 12-1x Crank Trigger WheelCrank Trigger Kit; For Use w/Small Block Chevy; 8 in. Dia.; 12-1 Or 12X; 6061-T6 Aluminum; Incl. Instructions/Cover Mechanical Setup/3 Wire Hall... MSRP: $337.95 Was: Now: $299.95 Add to Cart
Holley EFI Holley EFI 558-133 - EFI LS Main Harness Holley EFI - 558-133LS1/6 (24x/1x) Engine Main Harness - Extended LengthHolley EFI LS Main Harness; For Use w/24X Crank 1997-2012 LS Engines; Plug And Play; Extended Length;This harness is designed... MSRP: $757.95 Was: Now: $672.95 Add to Cart
Holley EFI Holley EFI 556-184 - 6.56-Inch 12-1x Crank Trigger Wheel Holley EFI - 556-1846.56-Inch 12-1x Crank Trigger WheelCrank Trigger Kit; For Use w/Small Block Ford; 6.56 in. Dia.; 12-1 Or 12X; 6061-T6 Aluminum; Incl. Instructions/Cover Mechanical Setup/3 Wire... MSRP: $337.95 Was: Now: $299.95 Add to Cart
Holley EFI Holley EFI 558-134 - EFI LS Main Harness Holley EFI - 558-134LS2/3/7+ (58x/4x) Engine Main Harness - Extended LengthHolley EFI LS Main Harness; For Use w/58X Crank 1997-2012 LS Engines; Plug And Play; Extended Length;This harness is... MSRP: $757.95 Was: Now: $672.95 Add to Cart
Holley EFI Holley EFI 556-183 - 6.56-Inch 12-1x Crank Trigger Wheel Holley EFI - 556-1836.56-Inch 12-1x Crank Trigger WheelCrank Trigger Kit; For Use w/LS; 6.56 in. Dia.; 12-1 Or 12X; 6061-T6 Aluminum; Incl. Instructions/Cover Mechanical Setup/3 Wire Hall Efect... MSRP: $337.95 Was: Now: $299.95 Add to Cart
Holley EFI Holley EFI 556-182 - 7.25-Inch 12-1x Crank Trigger Wheel Holley EFI - 556-1827.25-Inch 12-1x Crank Trigger WheelCrank Trigger Kit; For Use w/Big Block Ford And LS; 7.25 in. Dia.; 12-1 Or 12X; 6061-T6 Aluminum; Incl. Instructions/Cover Mechanical Setup/3... MSRP: $337.95 Was: Now: $299.95 Add to Cart
Holley EFI Holley EFI 556-185 - 6.25-Inch 12-1x Crank Trigger Wheel Holley EFI - 556-1856.25-Inch 12-1x Crank Trigger WheelCrank Trigger Kit; For Use w/Small Block Chevy And LS; 6.25 in. Dia.; 12-1 Or 12X; 6061-T6 Aluminum; Incl. Instructions/Cover Mechanical... MSRP: $337.95 Was: Now: $299.95 Add to Cart
Holley EFI Holley EFI 558-328 - Sniper EFI Hyperspark Harness Holley EFI - 558-328Sniper EFI Hyperspark Harness; Plug And Play;Our HyperSpark Master Kits were designed to make upgrading your ignition on a Sniper EFI-equipped engine simple. When installed... MSRP: $361.95 Was: Now: $320.95 Add to Cart
Holley EFI Holley EFI 556-163 - EFI GEN III HEMI SMART COILS Holley EFI - 556-163HOLLEY EFI GEN III HEMI SMART COILSEFI Smart Coil Set; Black; 12 - 16 Volts; Fits GEN III Hemi; 8 Set;These Holley EFI Smart Coils are a bolt-in ignition upgrade for your late... MSRP: $790.95 Was: Now: $456.95 Add to Cart
