Holley Parts and Accessories

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, NTK O2, Wideband, Universal, Un-terminated, Kit

Part Number: HLY-550-605N

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, GM, LS2, LS3, LS7, Bosch O2, Kit

Part Number: HLY-550-607

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Bosch O2 Sensor, Wideband, CANBUS, Ford, 4.6L, Kit

Part Number: HLY-550-628

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, Four Digital Inputs, Wideband, CANBUS, Universal, Un-terminated, Kit

Part Number: HLY-550-605

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Fuel Injection Systems, Terminator X, Stealth 4150, 58X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Shiny, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1060

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Accessory Drive Systems, Mid-Mount, Serpentine, Water Pump, Power Steering, A/C, Pulleys, with Hardware, Natural Finish, Chevy, LT, 5.3L, 6.2L, Kit

Part Number: HLY-20-170

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Management Systems, Terminator EFI, Module, Replacement, Self-Tune, Controls 8-Injectors, 8-Coils, Four Analog Inputs, Wideband, CANBUS, Each

Part Number: HLY-554-119

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Management Systems, Terminator X MAX, 8-EV6 Injectors, 8-Coils, Plug-and-Play, Drive-by-Wire, Tuner/Trans Control, 4R70W, Ford, 4.6L, 5.4L, Kit

Part Number: HLY-550-1319

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Manual Transmission Installation Kit, SBF Windsor, T5 Transmission Installation Kit, 28 Ounce, 10 Spine, 10.5 in. Clutch, Sold as a Kit

Part Number: HLY-319-602

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Manual Transmission Installation Kit, SBF Windsor, TKX or TKO Installation Kit, 50 Ounce, 26 Spine, 10.5 in. Clutch, Sold as a Kit

Part Number: HLY-319-601

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Accessory Drive Systems, LS Mid-Mount, Serpentine, Alternator, Power Steering, Water Pump, AC, Pulleys, 6-groove, Polished, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-190P

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Accessory Drive Systems, Mid-Mount, Gen III, Hemi, VVT, Serpentine, 6-groove, Alternator, Power Steering, AC, Water Pump, Belts, Black Finish, Kit

Part Number: HLY-20-293BK

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Accessory Drive System, Mid-Mount, Serpentine, 6-groove, Alternator, Power Steering, AC, Water Pump, Belts, Black Finish, Hemi, Gen III, Non-VVT, Kit

Part Number: HLY-20-292BK

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Accessory Drive Systems, Mid-mount, Serpentine, Alternator, Power Steering, AC, Water Pump, Black, Pulleys, 6-groove, Chevy, 6.2L, Gen V, LT5, Kit

Part Number: HLY-20-230BK

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, NTK O2 Sensor, Wideband, CANBUS, Ford, 4-valve, 5.0L, Kit

Part Number: HLY-550-625N

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Accessory Drive Systems, LS Mid-Mount, Serpentine, Alternator, Power Steering, Water Pump, AC, Pulleys, 6-groove, Natural Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-190

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Accessory Drive Systems, Gen III, Hemi, Mid-Mount System, Black Finish, Serpentine, A/C, P/S, Water Pump, Hardware, Chrysler, Dodge, 5.7L, 6.2L, Kit

Part Number: HLY-20-290BK

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Accessory Drive Systems, LS Mid-mount, Serpentine, Alternator, Water Pump, Power Steering, SFI Damper, Hardware, Black Finish, Chevy, 4.8-7.0L, Kit

Part Number: HLY-20-181BK

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Management Systems, Dominator EFI, 24-EV1 Injectors, 12-Coils, Analog/Digital, Drive-by-wire, 4x Cam Sensor, Chevy, 4.8-7.0L, 58x Crank, Kit

Part Number: HLY-550-659

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Accessory Drive Systems, LT Mid-Mount, Serpentine, Alternator, Power Steering, Water Pump, Pulleys, 6-groove, Black Finish, Chevy, 5.3L, 6.2L, Kit

Part Number: HLY-20-201BK

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Accessory Drive Systems, LT Mid-Mount, Dry Sump, Serpentine, Alternator, Water Pump, Power Steering, A/C, Satin Finish, Chevy, Gen V, 6.2L, Kit

Part Number: HLY-20-221

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Management Systems, HP EFI, ECU and Harness, Connects 16-Injectors, 8-Coils, Bosch O2, Wideband, Ford, Lincoln, Mercury, 2V, 4.6L, 5.4L, Kit

Part Number: HLY-550-616

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• Free Shipping

Engine Management Systems, Dominator EFI, Connects 24-EV1 Injectors, 12-Coils, Analog/Digital inputs, Ford, Lincoln, 4.3-5.0L, Push-rod Engine, Kit

Part Number: HLY-550-653

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Management Systems, Terminator X MAX, 8-Injectors, 8-Coils, Plug-and-Play, LS Drive-by-Wire, Trans Control, Chevy, Late LT, 5.3L, 6.2L, Kit

Part Number: HLY-550-1631LSD

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Engine Management Systems, HP EFI, ECU and Harness, Up to 16-Injectors, 8-Coils, NTK O2 Sensor, Wideband, CANBUS, Ford, 4.6L, Kit

Part Number: HLY-550-628N

Not Yet Reviewed

Estimated Ship Date: Oct 6, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order