Availability
EFI Kits, Fuel Injectors, Throttle Bodies & More
Showing In Stock Items. Show All 163 Items.
Wiring Harnesses. Holley EFI, Replacement, Wideband O2 Adapter Harness, Terminator EFI Systems, Pre-Terminated, Plug-and-Play, Each
Part Number: HLY-558-463
Estimated Ship Date: Today
Estimated Ship Date: Today
Power Module, Fuel Injection System Component, Atomic EFI TBI, Each
Part Number: MSD-2911
Estimated Ship Date: Today
Estimated Ship Date: Today
Fuel Injection System Controllers, EFI, Black Plastic, Multi Port, Chevrolet. Each
Part Number: HLY-554-150
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, Pro Series, 2004 GTO LS1, T56 Manual Transmission, 3-pin MAFS, LS2 O2 Sensors, EV1 Injectors, Each
Part Number: WRS-WPLS1UGT56
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ultimate LS 500 HP EFI System With Master Kit Short LS3 Port Intake
Part Number: FIF-78712
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 500 HP EFI System With Master Kit Short LS3 Port Intake
Part Number: FIF-78812
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 500 HP EFI System With Master Kit Short LS3 Port Intake
Part Number: FIF-79812
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 500 HP EFI System With Master Kit Short LS3 Port Intake
Part Number: FIF-79712
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 1000 HP EFI System With Master Kit Short LS7 Port Intake
Part Number: FIF-79937
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 500 HP EFI System With Master Kit Short LS3 Port Intake
Part Number: FIF-76312
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 1000 HP EFI System With Master Kit Short Cathedral Intake
Part Number: FIF-78930
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 1000 HP EFI System With Master Kit Short Cathedral Intake
Part Number: FIF-78931
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 1000 HP EFI System With Master Kit Long Runner Cathedral Intake
Part Number: FIF-78932
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 1000 HP EFI System With Master Kit Long Runner Cathedral Intake
Part Number: FIF-78933
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 1000 HP EFI System With Master Kit Short LS3 Port Intake
Part Number: FIF-78934
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 1000 HP EFI System With Master Kit Short LS3 Port Intake
Part Number: FIF-78935
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 1000 HP EFI System With Master Kit Short LS7 Port Intake
Part Number: FIF-78936
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 1000 HP EFI System With Master Kit Short LS7 Port Intake
Part Number: FIF-78937
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 1000 HP EFI System With Master Kit Short Cathedral Intake
Part Number: FIF-79930
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 1000 HP EFI System With Master Kit Short Cathedral Intake
Part Number: FIF-79931
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 1000 HP EFI System With Master Kit Long Runner Cathedral Intake
Part Number: FIF-79932
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 1000 HP EFI System With Master Kit Long Runner Cathedral Intake
Part Number: FIF-79933
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 1000 HP EFI System With Master Kit Short LS3 Port Intake
Part Number: FIF-79934
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 1000 HP EFI System With Master Kit Short LS3 Port Intake
Part Number: FIF-79935
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
Ultimate LS 1000 HP EFI System With Master Kit Short LS7 Port Intake
Part Number: FIF-79936
Not Yet Reviewed
Estimated Ship Date: Mar 23, 2026 if ordered today
Estimated Ship Date: Mar 23, 2026 if ordered today
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