$187 OffHolley |#425550604Holley 550-604 HP EFI ECU & Harness Kit, Universal, Bosch O2Ignition Type: UniversalInjector Connector: Jetronic / Minitimer (EV1)Sold in Quantity: Kit$2,749.95 /each$2,936.95Add to Cart
$210 OffHolley |#425550602Holley 550-602 HP EFI ECU & Harness Kit, LS1/LS6, Bosch O2Ignition Type: Factory GMInjector Connector: Jetronic / Minitimer (EV1)Tuner Style: USB/CAN Tuning Cable$2,849.95 /each$3,059.95Add to Cart
$242 OffHolley |#425550602NHolley 550-602N HP EFI ECU & Harness Kit, LS1/LS6, NTK O2Ignition Type: Factory GMInjector Connector: Jetronic / Minitimer (EV1)Tuner Style: USB/CAN Tuning Cable$3,099.95 /each$3,341.95Add to Cart
$210 OffHolley |#425550607Holley 550-607 HP EFI ECU & Harness Kit, LS2/LS3/LS7, Bosch O2Ignition Type: Factory GMInjector Connector: Jetronic / Minitimer (EV1)Tuner Style: USB/CAN Tuning Cable$2,849.95 /each$3,059.95Add to Cart
$210 OffHolley |#425550603Holley 550-603 HP EFI ECU & Harness Kit, LS2/LS3/LS7, Bosch O2Ignition Type: Factory GMInjector Connector: USCAR (EV6)Tuner Style: USB/CAN Tuning Cable$2,849.95 /each$3,059.95Add to Cart
-7%Holley |#425558103Holley 558-103 LS Engine Main Harness 58x/4x HP & Dominator EFIGTIN Code: 090127666739$675.95 /each$731.95Add to Cart
RebateHolley |#425550628Holley 550-628 Ford Coyote Ti-VCT Capable HP EFI Kit, Bosch O2Ignition Type: Ford CoyoteInjector Connector: USCAR (EV6)Tuner Style: USB/CAN Tuning Cable$2,421.95 /each$2,849.95Add to Cart
$187 OffHolley |#425550601Holley 550-601 HP EFI ECU & Harness Kit, GM TPI, Bosch O2Ignition Type: UniversalInjector Connector: GM TPISold in Quantity: Kit$2,749.95 /each$2,936.95Add to Cart
$229 OffHolley |#425550601NHolley EFI 550-601N HP EFI ECU And Harness KitsIgnition Type: UniversalInjector Connector: GM TPISold in Quantity: Kit$2,999.95 /each$3,228.95Add to Cart
$242 OffHolley |#425550603NHolley 550-603N HP EFI ECU & Harness Kit, LS2/LS3/LS7, NTK O2Ignition Type: Factory GMInjector Connector: USCAR (EV6)Tuner Style: USB/CAN Tuning Cable$3,099.95 /each$3,341.95Add to Cart