Holley EFI Holley EFI 558-480 - EFI Transmission Harness - T-56 Magnum MSRP: $257.95 Was: Now: $228.95 Add to Cart
Holley EFI Holley EFI 558-499 - EFI Terminator X Max Transmission Kit - GM 6L80/6L90 MSRP: $645.95 Was: Now: $573.95 Add to Cart
Holley EFI Holley EFI 558-475 - EFI PWM Alternator Harness MSRP: $114.39 Was: Now: $103.99 Add to Cart
Holley EFI Holley EFI 558-457 - EFI Pro Dash Standalone Service Harness MSRP: $393.95 Was: Now: $386.99 Add to Cart
Holley EFI Holley EFI 558-462 - Terminator X Input/Output Harness MSRP: $71.49 Was: Now: $64.99 Add to Cart
Holley EFI Holley EFI 561-110 - EFI LS Spark Plug Wire Set - Cut to Fit MSRP: $211.95 Was: Now: $187.95 Add to Cart
Holley EFI Holley EFI 561-113 - EFI LS Spark Plug Wire Set - Cut to Fit MSRP: $224.95 Was: Now: $199.95 Add to Cart
Holley EFI Holley EFI 558-468 - EFI Terminator X DBW Harness - GM Gen V LTX MSRP: $319.95 Was: Now: $283.95 Add to Cart
Holley EFI Holley EFI 561-112 - EFI LS Spark Plug Wire Set - Cut to Fit MSRP: $194.95 Was: Now: $128.99 Add to Cart
Holley EFI Holley EFI 558-463 - EFI Terminator X Wideband Adapter Harness MSRP: $96.79 Was: Now: $87.99 Add to Cart
Holley EFI Holley EFI 558-473 - Terminator X Transmission Control Harness MSRP: $310.95 Was: Now: $275.95 Add to Cart
Holley EFI Holley EFI 561-115 - EFI LS Spark Plug Wire Set - Cut to Fit MSRP: $205.95 Was: Now: $182.95 Add to Cart
Holley EFI Holley EFI 565-210 - Gen 2 Dual Sync Distributor MSRP: $652.95 Was: Now: $579.95 Add to Cart
Holley EFI Holley EFI 565-209BK - Gen 2 Dual Sync Distributor MSRP: $562.95 Was: Now: $302.95 Add to Cart
Holley EFI Holley EFI 565-206 - Gen 2 Dual Sync Distributor MSRP: $546.95 Was: Now: $290.95 Add to Cart
Holley EFI Holley EFI 565-209 - Gen 2 Dual Sync Distributor MSRP: $562.95 Was: Now: $274.95 Add to Cart
Holley EFI Holley EFI 565-208BK - Gen 2 Dual Sync Distributor MSRP: $652.95 Was: Now: $579.95 Add to Cart
Holley EFI Holley EFI 565-206BK - Gen 2 Dual Sync Distributor MSRP: $618.95 Was: Now: $549.95 Add to Cart
Holley EFI Holley EFI 565-205BK - Gen 2 Dual Sync Distributor MSRP: $731.95 Was: Now: $649.95 Add to Cart
Holley EFI Holley EFI 565-207BK - Gen 2 Dual Sync Distributor MSRP: $652.95 Was: Now: $579.95 Add to Cart
Holley EFI Holley EFI 558-480 - EFI Transmission Harness - T-56 Magnum Holley EFI - 558-480Holley EFI Transmission Harness - T-56 MagnumTerminator X Max ECUs on V3 Build 100 or later - Holley EFI V6 Build 300 or laterT-56 Magnum Transmission Harness - Terminated for... MSRP: $257.95 Was: Now: $228.95 Add to Cart
Holley EFI Holley EFI 558-499 - EFI Terminator X Max Transmission Kit - GM 6L80/6L90 Holley EFI - 558-499Holley EFI Terminator X Max Transmission Kit - GM 6L80/6L90Requires Terminator X Max - Requires V3 Build 100 or later (Does not support 4WD)The Terminator X Max ECU allows the... MSRP: $645.95 Was: Now: $573.95 Add to Cart
Holley EFI Holley EFI 558-475 - EFI PWM Alternator Harness Holley EFI - 558-475Holley EFI PWM Alternator Harness; Fits w/2007-Up GM Engines; Incl. Instructions;Plug and play Holley EFI alternator harnesses for late model engines with Pulse Width Modulated... MSRP: $114.39 Was: Now: $103.99 Add to Cart
Holley EFI Holley EFI 558-457 - EFI Pro Dash Standalone Service Harness Holley EFI - 558-457Holley EFI Pro Dash Standalone Service HarnessThis is the harness included with standalone pro dashes.Holley EFI Pro Dash replacement harness for standalone digital dashes.Direct... MSRP: $393.95 Was: Now: $386.99 Add to Cart
Holley EFI Holley EFI 558-462 - Terminator X Input/Output Harness Holley EFI - 558-462Terminator X Input/Output Harnessfor use with Terminator X and X MAX ECU's - 4 Inputs / 4 OutputsThis harness has all 8 pins populated, 4 Inputs and 4 Outputs.36" Flying... MSRP: $71.49 Was: Now: $64.99 Add to Cart
Holley EFI Holley EFI 561-110 - EFI LS Spark Plug Wire Set - Cut to Fit Holley EFI - 561-110Holley EFI LS Spark Plug Wire Set - Cut to FitBlack Wire with Black Straight Boots (Plug End) - 135 Degree Coil Boots - Designed for GM LS Engines (For OE Coil)Holley EFI... MSRP: $211.95 Was: Now: $187.95 Add to Cart
Holley EFI Holley EFI 561-113 - EFI LS Spark Plug Wire Set - Cut to Fit Holley EFI - 561-113Holley EFI LS Spark Plug Wire Set - Cut to FitSpark Plug Wire Set; Cut To Fit; Black; Silicone; 180 Degree Black Boots; 8.2mm Wire Diameter; For GM LS Engine;Holley EFI Universal... MSRP: $224.95 Was: Now: $199.95 Add to Cart
Holley EFI Holley EFI 558-468 - EFI Terminator X DBW Harness - GM Gen V LTX Holley EFI - 558-468Holley EFI Terminator X DBW Harness - GM Gen V LTXTerminator X Drive By Wire Harness; Fits w/Gen 5 LTx Throttle Body and Terminator X ECUs;GM GEN V LTx DBW Harness. Compatible... MSRP: $319.95 Was: Now: $283.95 Add to Cart
Holley EFI Holley EFI 561-112 - EFI LS Spark Plug Wire Set - Cut to Fit Holley EFI - 561-112Holley EFI LS Spark Plug Wire Set - Cut to FitSpark Plug Wire Set; Cut To Fit; Red; Silicone; 135 Degree Gray Boots; 8.2mm Wire Diameter; For GM LS Engine;Holley EFI Universal... MSRP: $194.95 Was: Now: $128.99 Add to Cart
Holley EFI Holley EFI 558-463 - EFI Terminator X Wideband Adapter Harness Holley EFI - 558-463Holley EFI Terminator X Wideband Adapter HarnessEFI Terminator X Wideband Adapter Harness; 4 Inputs; 4 Outputs; Boost Control; Nitrous Control; Advanced Tables;Service harness... MSRP: $96.79 Was: Now: $87.99 Add to Cart
Holley EFI Holley EFI 558-465 - EFI CAN Splitter Holley EFI - 558-465Holley EFI CAN SplitterEFI CAN Splitter; Plug And Play w/Terminator X/Sniper EFI;The Holley EFI CAN splitter allows you to add an additional CAN device to your Sniper EFI or... MSRP: $78.09 Was: Now: $70.99 Add to Cart
Holley EFI Holley EFI 558-473 - Terminator X Transmission Control Harness Holley EFI - 558-473Holley EFI Transmission Control Harness - 1996-2003 Chrysler 46RETerminator X Transmission Control Harness; Fits w/Chrysler 46/47/48RE Transmission;If your HEMI swap project is... MSRP: $310.95 Was: Now: $275.95 Add to Cart
Holley EFI Holley EFI 558-454 - CAN Adapter Harness, 12' Holley EFI - 558-454CAN Adapter Harness; 12 in.; Male to Female; For Racepak And Other External CAN Devices;12 feet long Male to Female CAN Adapter Harness (for Racepak and other external CAN... MSRP: $117.69 Was: Now: $106.99 Add to Cart
Holley EFI Holley EFI 561-115 - EFI LS Spark Plug Wire Set - Cut to Fit Holley EFI - 561-115Holley EFI LS Spark Plug Wire Set - Cut to FitSpark Plug Wire Set; Cut To Fit; Red; Silicone; 180 Degree Gray Boots; 8.2mm Wire Diameter; For GM LS Engine;Holley EFI Universal... MSRP: $205.95 Was: Now: $182.95 Add to Cart
Holley EFI Holley EFI 558-456 - Pro-Dash I/O Harness Holley EFI - 558-456Holley EFI Pro Dash Input/Output HarnessPro-Dash I/O Harness; 10 ft.-17 Loose Wires; 20 ft.-2 Conductor Cable; 40 ft.-3 Conductor Cable;The 558-456 wiring kit is intended to fully... MSRP: $311.95 Was: Now: $280.99 Add to Cart
Holley EFI Holley EFI 565-210 - Gen 2 Dual Sync Distributor Holley EFI - 565-210Holley EFI Dual Sync Ford 351C, 400M, 429-460 DistributorGen 2 Dual Sync Distributor; For Use w/PN[558-493]; Improved Design; Plug And Play; Incl. Both Cam And Crank Sensors/MSD... MSRP: $652.95 Was: Now: $579.95 Add to Cart
Holley EFI Holley EFI 565-209BK - Gen 2 Dual Sync Distributor Holley EFI - 565-209BKHolley EFI Dual Sync Mopar 383-400 Distributor, BlackGen 2 Dual Sync Distributor; For Use w/PN[558-493]; Improved Design; Plug And Play; Incl. Both Cam And Crank Sensors/MSD Cap... MSRP: $562.95 Was: Now: $302.95 Add to Cart
Holley EFI Holley EFI 565-206 - Gen 2 Dual Sync Distributor Holley EFI - 565-206Holley EFI Dual Sync Oldsmobile DistributorGen 2 Dual Sync Distributor; For Use w/PN[558-493]; Improved Design; Plug And Play; Incl. Both Cam And Crank Sensors/MSD Cap And Rotor;... MSRP: $546.95 Was: Now: $290.95 Add to Cart
Holley EFI Holley EFI 565-209 - Gen 2 Dual Sync Distributor Holley EFI - 565-209Holley EFI Dual Sync Mopar 383-400 DistributorGen 2 Dual Sync Distributor; For Use w/PN[558-493]; Improved Design; Plug And Play; Incl. Both Cam And Crank Sensors/MSD Cap And... MSRP: $562.95 Was: Now: $274.95 Add to Cart
Holley EFI Holley EFI 565-208BK - Gen 2 Dual Sync Distributor Holley EFI - 565-208BKHolley EFI Dual Sync Chrysler SB Distributor, BlackGen 2 Dual Sync Distributor; For Use w/PN[558-493]; Improved Design; Plug And Play; Incl. Both Cam And Crank Sensors/MSD Cap... MSRP: $652.95 Was: Now: $579.95 Add to Cart
Holley EFI Holley EFI 565-206BK - Gen 2 Dual Sync Distributor Holley EFI - 565-206BKHolley EFI Dual Sync Oldsmobile Distributor, BlackGen 2 Dual Sync Distributor; For Use w/PN[558-493]; Improved Design; Plug And Play; Incl. Both Cam And Crank Sensors/MSD Cap... MSRP: $618.95 Was: Now: $549.95 Add to Cart
Holley EFI Holley EFI 565-205BK - Gen 2 Dual Sync Distributor Holley EFI - 565-205BKHolley EFI Dual Sync Ford FE Distributor, BlackGen 2 Dual Sync Distributor; For Use w/PN[558-493]; Improved Design; Plug And Play; Incl. Both Cam And Crank Sensors/MSD Cap And... MSRP: $731.95 Was: Now: $649.95 Add to Cart
Holley EFI Holley EFI 565-207BK - Gen 2 Dual Sync Distributor Holley EFI - 565-207BKHolley EFI Dual Sync Pontiac Distributor, BlackGen 2 Dual Sync Distributor; For Use w/PN[558-493]; Improved Design; Plug And Play; Incl. Both Cam And Crank Sensors/MSD Cap And... MSRP: $652.95 Was: Now: $579.95 Add to Cart