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Holley UK – Carburetors, EFI Systems & Performance Parts Holley is a legendary name in the world of performance. Since 1903, Holley has been at the forefront of fuelling technology, powering everything from classic hot rods to modern race cars....
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Holley EFI 550-652
Holley EFI Dominator EFI Kit - Universal Main Harness with EV1 Injector Harness
When utilizing a Transbrake, it is mandatory to...
Part TypeFuel Injection Conversion Kit£3,221.99£2,780.99 inc VAT£2,317.49 ex VAT -
Holley EFI 550-651
Holley EFI Dominator EFI Kit - LS2 Main Harness with EV1 Injector Harness
When utilizing a Transbrake, it is mandatory to...
Part TypeFuel Injection Conversion Kit£3,221.99£2,780.99 inc VAT£2,317.49 ex VAT -
Holley EFI 550-650
Holley EFI Dominator EFI Kit - LS1 Main Harness with EV1 Injector Harness
When utilizing a Transbrake, it is mandatory to...
Part TypeFuel Injection Conversion Kit£3,221.99£2,780.99 inc VAT£2,317.49 ex VAT -
Holley EFI 550-628n
Holley EFI Ford Coyote Ti-VCT Capable HP EFI Kit, NTK O2
Complete system requirements: Coyote Ti-VCT Control Module 554-145,...
Part TypeEngine Control Module (ECM)£3,038.99£2,799.98 inc VAT£2,333.32 ex VAT -
Holley EFI 550-628
Holley EFI Ford Coyote Ti-VCT Capable HP EFI Kit, Bosch O2
Complete system requirements: Coyote Ti-VCT Control Module 554-145,...
Part TypeEngine Control Module (ECM)£2,781.98£2,573.99 inc VAT£2,144.99 ex VAT -
Holley EFI 550-625n
Holley EFI 2013-2015.5 Ford Coyote Ti-VCT HP EFI Kit, NTK O2, USCAR INJ
Designed to be used with a cable driven...
Part TypeFuel Injection Conversion Kit£4,039.99£3,748.00 inc VAT£3,123.33 ex VAT -
Holley EFI 550-619n
Holley EFI 2011-2012 Ford Coyote Ti-VCT HP EFI Kit, NTK O2, USCAR INJ
Designed to be used with a cable driven...
Part TypeFuel Injection Conversion Kit£3,682.00£3,431.99 inc VAT£2,859.99 ex VAT -
Holley EFI 550-619
Holley EFI 2011-2012 Ford Coyote Ti-VCT HP EFI Kit, BOSCH O2, USCAR INJ
Designed to be used with a cable driven...
Part TypeFuel Injection Conversion Kit£3,427.00£3,160.99 inc VAT£2,634.16 ex VAT -
Holley EFI 550-617n
Holley EFI HP EFI ECU & Harness Kits - Complete 99-04 4 Valve Ford Modular Engine Plug and Play Kit
Holley HP EFI systems are equipped with 4...
Part TypeFuel Injection Harness£3,478.00£3,205.99 inc VAT£2,671.66 ex VAT -
Holley EFI 550-617
Holley EFI HP EFI ECU and Harness Kits
Holley HP EFI systems are equipped with 4...
Part TypeFuel Injection Harness£3,221.99£2,979.98 inc VAT£2,483.32 ex VAT -
Holley EFI 550-616n
Holley EFI HP EFI ECU and Harness Kits
Holley HP EFI systems are equipped with 4...
Part TypeFuel Injection Harness£3,478.00£3,205.99 inc VAT£2,671.66 ex VAT -
Holley EFI 550-616
Holley EFI HP EFI ECU & Harness Kits - Complete 99-04 2 Valve Ford Modular Engine Plug and Play Kit
Holley HP EFI systems are equipped with 4...
Part TypeFuel Injection Harness£3,221.99£2,979.98 inc VAT£2,483.32 ex VAT -
Holley EFI 550-615
Holley Terminator Mpfi - 4.8-6.0 Early Truck - DBW - 24X
1997-2007 4.8/5.3/6.0 Truck Engines with 24x crank reluctor...
Part TypeFuel Injection System£4,244.99£3,928.00 inc VAT£3,273.33 ex VAT -
Holley EFI 550-614
Holley EFI Terminator LS Kit - 4.8/5.3/6.0 Early Truck
1997-2007 4.8/5.3/6.0 Truck Engines with 24x crank reluctor,...
Part TypeFuel Injection System£2,884.99£2,663.99 inc VAT£2,219.99 ex VAT -
Holley EFI 550-613
Holley Terminator LS Kit - LS2/LS3 - DBW - Trans Control - Ev6 - 58X
Not recommended for 4x4 applications with electronic transfer...
Part TypeFuel Injection System£4,552.00£4,198.99 inc VAT£3,499.16 ex VAT -
Holley EFI 550-607n
Holley EFI HP EFI ECU & Harness Kits - GM LS2/3/7 (58x crank sensor) with Jetronic/Minitimer (Bosch
ECU is certified to ISO 8846, SAE J1171...
Part TypeFuel Injection Conversion Kit£3,038.99£2,799.98 inc VAT£2,333.32 ex VAT -
Holley EFI 550-607
Holley EFI HP EFI ECU & Harness Kits - GM LS2/3/7 (58x crank sensor) with Jetronic/Minitimer (Bosch
Software and firmware updates can be downloaded here...
Part TypeFuel Injection Conversion Kit£2,781.98£2,573.99 inc VAT£2,144.99 ex VAT -
Holley EFI 550-606n
Holley EFI HP EFI ECU & Harness Kits
ECU is certified to ISO 8846, SAE J1171...
Part TypeFuel Injection Conversion Kit£2,935.99£2,708.99 inc VAT£2,257.49 ex VAT -
Holley EFI 550-606
Holley EFI HP EFI ECU & Harness Kits
If utilizing FORD OEM TPS and IAC sensor,...
Part TypeFuel Injection Conversion Kit£2,669.99£2,482.99 inc VAT£2,069.16 ex VAT -
Holley EFI 550-605n
Holley EFI HP EFI ECU & Harness Kits - Unterminated Universal Harness, Includes NTK Oxygen Sensor
ECU is certified to ISO 8846, SAE J1171...
Part TypeFuel Injection Conversion Kit£2,935.99£2,708.99 inc VAT£2,257.49 ex VAT -
Holley EFI 550-605
Holley EFI HP EFI ECU & Harness Kits - Unterminated Universal Harness, Includes Bosch Oxygen Sensor
ECU is certified to ISO 8846, SAE J1171...
Part TypeFuel Injection Conversion Kit£2,669.99£2,482.99 inc VAT£2,069.16 ex VAT -
Holley EFI 550-604n
Holley EFI HP EFI ECU & Harness Kits - Universal V8 Multi-Point Fuel Injection, Includes NTK Oxygen
ECU is certified to ISO 8846, SAE J1171...
Part TypeFuel Injection Conversion Kit£2,935.99£2,708.99 inc VAT£2,257.49 ex VAT -
Holley EFI 550-604
Holley EFI HP EFI ECU & Harness Kits
ECU is certified to ISO 8846, SAE J1171...
Part TypeFuel Injection Conversion Kit£2,669.99£2,482.99 inc VAT£2,069.16 ex VAT -
Holley EFI 550-603n
Holley EFI HP EFI ECU & Harness Kits
ECU is certified to ISO 8846, SAE J1171...
Part TypeFuel Injection Conversion Kit£3,038.99£2,799.98 inc VAT£2,333.32 ex VAT -
Holley EFI 550-603
Holley EFI HP EFI ECU & Harness Kits
ECU is certified to ISO 8846, SAE J1171...
Part TypeFuel Injection Conversion Kit£2,781.98£2,573.99 inc VAT£2,144.99 ex VAT
Holley UK – Carburetors, EFI Systems & Performance Parts
Holley is a legendary name in the world of performance. Since 1903, Holley has been at the forefront of fuelling technology, powering everything from classic hot rods to modern race cars. Known for their carburetors, EFI systems, fuel pumps, and complete performance solutions, Holley remains the first choice for enthusiasts worldwide.
The Holley Legacy
Holley carburetors became an icon in American muscle cars and motorsport, appearing on millions of vehicles over the decades. Today, Holley’s reach extends far beyond carburetion, with a massive catalogue that includes EFI systems, intake manifolds, exhaust solutions, ignition systems, and even full fuel delivery kits.
Why Enthusiasts Choose Holley
- Unmatched History: Over 100 years of performance innovation.
- Complete Solutions: Everything from fuelling to exhaust under one brand family.
- Motorsport Proven: Trusted in drag racing, circle track, and street performance applications.
- Modern Technology: Cutting-edge EFI systems that bring classic builds into the future.
Popular Holley Products
- Holley 4150 & 4160 Carburetors
- Sniper EFI Conversion Kits
- Holley Terminator X Engine Management
- Fuel Pumps & Regulators
- Holley Intake Manifolds
Holley in the UK
Billy’s Speed Shop brings Holley performance parts to the UK, eliminating the cost and hassle of importing. Whether you’re restoring a classic V8, tuning a modern LS swap, or building a drag car, Holley offers the solutions you need – available now with fast UK delivery.
Fuel your project with Holley UK performance parts – order today at Billy’s Speed Shop.



