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not Imitation

GM Engine Kits

Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition of your engine plus much more! Got a stock LS engine? Simply download a base map and you're on your way. Got a turbocharged, nitrous fed LS engine on water/meth? This HP EFI kit can control that too! Stop re–flashing your factory ECU every time you make a performance modification. Get Holley EFI today!

1237 Holley SNIPER EFI - 8 Injectors Universal Application

Part #: 1237-1

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Holley 556-128 Big Wire Coil-Near-Plug Smart Coil Kit

Part #: 1460

$788.95
$709.95

Holley 550-516K SNIPER TBI MASTER KIT

Part #: 1459

$1,388.95
$1,249.95

Holley 4500 SNIPER EFI - 8 Injectors

Part #: 1237-2

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Holley SNIPER EFI - 4 Injectors Universal Application

Part #: 1237

$1,199.99
$999.99

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Holley 550-442 TERMINATOR Stealth EFI Kit w/ 4L60/4L80 BLACK

Part #: 1206-1

$3,099.95
$2,649.95

Holley 550-442 TERMINATOR Stealth EFI Kit w/ 4L60/4L80 - POLISHED

Part #: 1206

$2,999.95
$2,599.95

Holley 550-602 LS1/LS6 24X BOSCH-Style Injectors

Part #: 932

$2,021.95
$1,819.95

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Holley 550-603 LS2/3/7 58X USCAR INJ

Part #: 933

$2,021.95
$1,819.95

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Holley 550-607 LS2/3/7 58X BOSCH INJ.

Part #: 934

$2,021.95
$1,819.95

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Holley 550-608 LS1/LS6 24X BOSCH INJ

Part #: 1158

$1,999.95
$1,799.95

Holley 550-609 LS1/LS6 24X BOSCH INJ

Part #: 1157

$2,888.95
$2,599.95

Holley 550-610 Truck LS 58X USCAR INJ

Part #: 1163

$1,999.95
$1,799.95

Holley 550-611 LS2/LS3 58X USCAR INJ

Part #: 1160

$2,888.95
$2,599.95

Holley 550-612 LS2/LS3 58X USCAR INJ

Part #: 1159

$2,888.95
$2,599.95

Holley 550-613 LS2/LS3 58X USCAR INJ

Part #: 1156

$3,111.95
$2,799.95

Holley 550-614 Truck LS 24X MULTEC2INJ

Part #: 1161

$1,999.95
$1,799.95

Holley 550-615 Truck LS 24X MULTEC2 INJ

Part #: 1165

$2,888.95
$2,599.95

Holley 550-622 Truck LS 24X MULTEC2 INJ

Part #: 1162

$2,888.95
$2,599.95

Holley 550-623 Truck LS 24X MULTEC2 INJ

Part #: 1164

$3,111.95
$2,799.95