$1,990.95 each

Holley Dominator EFI ECU

Holley Dominator EFI Vehicle Management Systems are intended for all engine applications. Part 554-114
$1,120.95 each

Holley HP EFI ECU

These Holley HP EFI ECU and Harness Kits control units allow you to control the fuel and ignition of your engine, along with additional controls for nitrous, boost, or water methanol.  554-113
$799.95 each

Holley EFI Digital Dash

Holley EFI Dash Fully Customizable with a Variety of Gauge and Indicator Screens, 7.5" wide, 4.625" tall, 1" deep 553-106

$1,766.95 each

Holley HP EFI ECU & Harness Kits GM LS2/3/7 (58x crank sensor)

Looking for a plug and play kit for your GM LS engine? 550-603

$1,917.95 each

Holley HP EFI ECU & Harness Kits GM LS2/3/7 (58x crank sensor)

Looking for a plug and play kit for your GM LS engine? 550-603N

$1,766.95 each

Holley HP EFI ECU & Harness Kits GM LS2/3/7 (58x crank sensor)

Looking for a plug and play kit for your GM LS engine? 550-607

$1,766.95 each

Holley HP EFI ECU & Harness Kits GM LS1/LS6 (24x crank sensor)

Looking for a plug and play kit for your GM LS engine? 550-602

$1,917.95 each

Holley HP EFI ECU & Harness Kits GM LS1/LS6 (24x crank sensor)

Looking for a plug and play kit for your GM LS engine?  550-602N

$382.95 each

Holley LS2 Main Harness for Holley HP EFI & Dominator EFI

Holley LS2 Main Harness for Holley HP EFI & Dominator EFI -558-103

$382.95 each

Holley LS1 Main Harness for Holley HP EFI & Dominator EFI

Holley LS1 Main Harness for Holley HP EFI & Dominator EFI - 558-102

$99.76 each

LSx Injector Harness for Holley HP EFI & Dominator EFI - EV6

LSX Injector Harness for Holley HP EFI & Dominator EFI- EV6 Style Injectors 558-201

$117.95 each

Holley V8 over Manifold, Bosch Style Connector Harness

V8 over Manifold, Bosch Style Connector Harness part 558-200

$152.95 each

Holley Dominator EFI GM Drive By Wire Harness

Holley Dominator EFI GM Drive By Wire Harness 558-406

$529.00 each

'97 - '02 LS1 W/ 4L60E STANDALONE WIRING HARNESS (DBC)

'97 - '02 LS1 W/ 4L60E STANDALONE WIRING HARNESS (DBC)

$549.00 each

'03 - '07 VORTEC W/ 4L60E STANDALONE WIRING HARNESS (DBW)

'03 - '07 VORTEC W/ 4L60E STANDALONE WIRING HARNESS (DBW)

$549.00 each

'03 - '07 VORTEC W/ T56 STANDALONE WIRING HARNESS (DBW)

'03 - '07 VORTEC W/T56 STANDALONE WIRING HARNESS (DBW)

$519.00 each

'99 - '03 VORTEC W/ T56 STANDALONE WIRING HARNESS (DBC)

'99 - '03 VORTEC W/ T56 STANDALONE WIRING HARNESS (DBC)

$549.00 each

'97 - '04 LS1 W/ 4L60E STANDALONE WIRING HARNESS (DBW)

APPLICATION: 1997 - 2004 CORVETTE LS1/LS6 ENGINES (DRIVE BY WIRE ONLY) WITH 4L60E OR 4L80E TRANSMISSIONS.

$150.00 each

LS/VORTEC ENGINE RED AND BLUE PCM - PROGRAMMING ONLY

LS/VORTEC ENGINE RED AND BLUE PCM PROGRAMMING

$200.00 each

LS/VORTEC ENGINE COMPUTER - RED AND BLUE PCM WITH PROGRAMMING

LS/VORTEC ENGINE COMPUTER - RED AND BLUE PCM WITH PROGRAMMING

$150.00 each

2004-2007 VORTEC ENGINE PCM PROGRAMMING

2004-2007 VORTEC ENGINE PCM PROGRAMMING

$200.00 each

2004-2007 VORTEC ENGINE PCM WITH PROGRAMMING

2004-2007 VORTEC ENGINE PCM WITH PROGRAMMING

$569.00 each

'02 VORTEC W/ 4L60E STANDALONE WIRING HARNESS (DBW)

'02 VORTEC W/ 4L60E STANDALONE WIRING HARNESS (DBW)

$569.00 each

'06 - '09 GEN IV LS2/LS3 W/ 4L60E STANDALONE WIRING HARNESS (DBC, EV1 INJ.)

'06 - '09 GEN IV LS2/LS3 W/ 4L60E STANDALONE WIRING HARNESS (DBC, EV1 INJ.)

$569.00 each

'06 - '09 GEN IV LS2/LS3 W/ 4L60E STANDALONE WIRING HARNESS (DBC)

'06 - '09 GEN IV LS2/LS3 W/ 4L60E STANDALONE WIRING HARNESS (DBC)

$649.00 each

'09 - '13 LY6 (6.0L)/ L92 (6.2L) STANDALONE WIRING HARNESS W/4L60E

'09 - '13 LY6 (6.0L)/ L92 (6.2L) STANDALONE WIRING HARNESS W/4L60E

$645.00 each

'09 - '13 LH6/LY5/LMG/LH8 (5.3L) STANDALONE WIRING HARNESS W/4L60E

'09 - '13 LH6/LY5/LMG/LH8 (5.3L) STANDALONE WIRING HARNESS W/4L60E

$647.99 each

LS1 Standalone Wiring Harness - 1999-2002 F-Body 411PCM

LS1 Stand Alone Wiring Harness - 1999-2002 F-Body 411PCM (Red & Blue Connectors)

$731.99 each

LS1 Standalone Wiring Harness - 1999-2004 LS1 Engine

LS1 Stand Alone Wiring Harness - 1999-2004 LS1 Engine - F-Body 411PCM (Red & Blue Connectors)

$770.99 each

LS1 Standalone Wiring Harness - Extra Long - 1999-2004 LS1 Engine

LS1 Stand Alone Wiring Harness - 1999-2004 LS1 Engine - F-Body 411PCM (Red & Blue Connectors) Designed for engine swap vehicles equipped with 1999-2004 LS1.

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