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Holley
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 553-130
Holley EFI Vacuum/Boost Gauge - Vacuum / Boost - Standard 2-1/16" size - 30" Hg - 30 PSI - CAN
Boost ICF MUST be active for this gauge...
Part TypeMulti-Purpose Boost / Vacuum Gauge£248.99£235.00 inc VAT£195.83 ex VAT -
Holley EFI 553-129
Holley EFI Fuel Pressure Gauge - Fuel Pressure - Standard 2-1/16" size - CAN - 0-100 PSI - Black
Easy to install - One plug and play...
Part TypeFuel Pressure Gauge£248.99£235.00 inc VAT£195.83 ex VAT -
Holley EFI 553-128w
Holley EFI Coolant Temp Gauge - Standard 2-1/16" size - 120°-260° - White Face - Black Bezel
Easy to install - One plug and play...
Part TypeEngine Coolant Temperature Gauge£188.99£187.00 inc VAT£155.83 ex VAT -
Holley EFI 553-128
Holley EFI Coolant Temp Gauge - coolant temperature - Standard 2-1/16" size - 120°-260° - Black
Easy to install - One plug and play...
Part TypeEngine Coolant Temperature Gauge£256.99£244.99 inc VAT£204.16 ex VAT -
Holley EFI 553-127w
Holley EFI Oil Pressure Gauge
Easy to install - One plug and play...
Part TypeEngine Oil Pressure Gauge£248.99£235.00 inc VAT£195.83 ex VAT -
Holley EFI 553-127
Holley EFI Oil Pressure Gauge
Easy to install - One plug and play...
Part TypeEngine Oil Pressure Gauge£256.99£244.99 inc VAT£204.16 ex VAT -
Holley EFI 553-126
Holley EFI Voltage Gauge - Standard 2-1/16" Size - 0-18 volts - CAN - Black Face - Black
Easy to install - One plug and play...
Part TypeVoltmeter Gauge£262.00£250.00 inc VAT£208.33 ex VAT -
Holley EFI 553-123
Holley EFI GPS Speedometer - 3-3/8" GPS Speedometer (w/ Odometer), 0-160 MPH, Black Face
3-3/8" GPS Speedometer (w/ Odometer), 0-160 MPH, Black...
Part TypeSpeedometer Gauge£599.99£376.00 inc VAT£313.33 ex VAT -
Holley EFI 553-121
Holley EFI GPS Speedometer - 4-1/2" GPS Speedometer (w/ Odometer), 0-160 MPH, Black Face
4-1/2" GPS Speedometer (w/ Odometer), 0-160 MPH, Black...
Part TypeSpeedometer Gauge£629.99£625.99 inc VAT£521.66 ex VAT -
Holley EFI 553-117
Holley EFI 6.86" Standalone Pro Dash
6.86" Standalone Pro Dash
Part TypeInstrument Cluster£1,534.99£1,444.99 inc VAT£1,204.16 ex VAT -
Holley EFI 553-116
Holley EFI 12.3" Standalone Pro Dash
12.3" Standalone Pro Dash
Part TypeInstrument Cluster£2,352.98£2,166.98 inc VAT£1,805.82 ex VAT -
Holley EFI 553-112x
Holley EFI 6.86" M8 Pro Dash - Introducing the next era of Sniper 2 EFI displays. The new
Introducing the next era of Sniper 2 EFI...
Part TypeInstrument Cluster£1,330.00£1,219.00 inc VAT£1,015.83 ex VAT -
Holley EFI 553-112
Holley EFI 6.86" Pro Dash
This device will only display and/or communicate with...
Part TypeInstrument Cluster£1,330.00£1,219.00 inc VAT£1,015.83 ex VAT -
Holley EFI 553-111x
Holley EFI 12.3" M8 Pro Dash - Introducing the next era of Sniper 2 EFI displays. The new
Introducing the next era of Sniper 2 EFI...
Part TypeInstrument Cluster£2,148.98£1,987.00 inc VAT£1,655.83 ex VAT -
Holley EFI 553-109
Holley Standalone Digital Dash Kit - Compatible with Holley EFI, Sniper 1, and Terminator X
Tuning is not supported with Terminator X ECU's....
Part TypeElectronic Multi-Purpose Gauge£1,688.99£1,643.99 inc VAT£1,369.99 ex VAT -
Holley EFI 553-108
Holley LCD Touch Screen - Wide range of tuning and data-monitoring options in a compact
Only compatible with Holley EFI systems. Software and...
Part TypeDriver Information Display£409.99£394.99 inc VAT£329.16 ex VAT -
Holley EFI 553-106
Holley EFI 7" Digital Dash - Compatible with Holley EFI, Sniper 1, and Terminator X
Tuning is not supported with Terminator X or...
Part TypeElectronic Multi-Purpose Gauge£943.99£920.99 inc VAT£767.49 ex VAT -
Holley EFI 550-660
Holley EFI Dominator EFI Kit - LS2 Main Harness w/ Trans and DBW with EV1 Injector Harness
When utilizing a Transbrake, it is mandatory to...
Part TypeFuel Injection Conversion Kit£3,580.00£3,118.99 inc VAT£2,599.16 ex VAT -
Holley EFI 550-659
Holley EFI Dominator EFI Kit - LS2 Main Harness w/ DBW with EV1 Injector Harnesses
When utilizing a Transbrake, it is mandatory to...
Part TypeFuel Injection Conversion Kit£3,529.99£3,033.98 inc VAT£2,528.32 ex VAT -
Holley EFI 550-658
Holley EFI Dominator EFI Kit - LS2 Main Harness w/ Trans Control with EV1 Injector Harness
When utilizing a Transbrake, it is mandatory to...
Part TypeFuel Injection Conversion Kit£3,529.99£3,033.98 inc VAT£2,528.32 ex VAT -
Holley EFI 550-657
Holley EFI Dominator EFI Kit - LS1 Main Harness w/ Trans and DBW with EV1 Injector Harness
When utilizing a Transbrake, it is mandatory to...
Part TypeFuel Injection Conversion Kit£3,580.00£3,118.99 inc VAT£2,599.16 ex VAT -
Holley EFI 550-656
Holley EFI Dominator EFI Kit - LS1 Main Harness w/ Trans Control with EV1 Injector Harness
When utilizing a Transbrake, it is mandatory to...
Part TypeFuel Injection Conversion Kit£3,529.99£3,033.98 inc VAT£2,528.32 ex VAT -
Holley EFI 550-655
Holley EFI With Coil on Plug Main and Sub Harness with EV1 Injector Harness Dominator EFI Kit - Ford - COP Main Harness
When utilizing a Transbrake, it is mandatory to...
Part TypeFuel Injection Conversion Kit£3,427.00£2,949.98 inc VAT£2,458.32 ex VAT -
Holley EFI 550-654
Holley EFI With Coil on Plug Main and Sub Harness with EV1 Injector Harness Dominator EFI Kit - Universal - COP Main Harness
When utilizing a Transbrake, it is mandatory to...
Part TypeFuel Injection Conversion Kit£3,427.00£2,949.98 inc VAT£2,458.32 ex VAT -
Holley EFI 550-653
Holley EFI Dominator EFI Kit - Ford 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 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.



