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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 556-115
Holley EFI Crank Trigger System - SBF
Will not work on balancers which do not...
Part TypeIgnition Crank Trigger Kit£716.99£683.99 inc VAT£569.99 ex VAT -
Holley EFI 556-114
Holley EFI Cam Sync Kit w/ Bracket - Big Block Chevy w/ standard cam height, For external, dry
Big Block Chevy w/ standard cam height, For...
Part TypeEngine Camshaft Position Sensor£367.00£349.99 inc VAT£291.66 ex VAT -
Holley EFI 556-113
Holley EFI Crank Trigger System - BBC
Will not work on balancers which do not...
Part TypeIgnition Crank Trigger Kit£682.00£658.00 inc VAT£548.33 ex VAT -
Holley EFI 556-112
Holley EFI Coil-Near-Plug Smart Coil
The wire must be fed through the back...
Part TypeDirect Ignition Coil£97.99£95.99 inc VAT£79.99 ex VAT -
Holley EFI 555-100
Holley EFI Active Speed Management - HP/Dominator
For Racing Use ONLY that has a defined...
Part TypeVehicle Tuning Software£602.99£589.99 inc VAT£491.66 ex VAT -
Holley EFI 554-204
Holley EFI Pro Sensor Kit - (7) Included Sensors
(7) Included Sensors
Part TypeMulti-Purpose Pressure Sensor Kit£890.99£758.99 inc VAT£632.49 ex VAT -
Holley EFI 554-203
Holley EFI Boosted Sensor Kit - (5) Included Sensors
(5) Included Sensors
Part TypeMulti-Purpose Pressure Sensor Kit£523.99£448.99 inc VAT£374.16 ex VAT -
Holley EFI 554-202
Holley EFI Street Sensor Kit - (4) Included Sensors
(4) Included Sensors
Part TypeMulti-Purpose Pressure Sensor Kit£314.99£268.99 inc VAT£224.16 ex VAT -
Holley EFI 554-190
Holley EFI 8 Channel CAN EGT Controller
Requires V5 Build 100 or newer software/firmware. Requires...
Part TypeExhaust Gas Temperature (EGT) Sensor£920.99£857.99 inc VAT£714.99 ex VAT -
Holley EFI 554-188c
Holley EFI 1 Channel EGT Controller CAN Module
The EGT module is designed to be installed...
Part TypePyrometer Module£191.99£128.99 inc VAT£107.49 ex VAT -
Holley EFI 554-188aPart TypePyrometer Module
£191.99£184.00 inc VAT£153.33 ex VAT -
Holley EFI 554-186
Holley EFI 8 Channel CAN EGT Kit - Plug and Play CANbus Exhaust Gas Temperature Kit, for Holley EFI.
HP or Dominator ECU requires V5 Build 100...
Part TypeExhaust Gas Temperature (EGT) Sensor£1,789.99£1,444.99 inc VAT£1,204.16 ex VAT -
Holley EFI 554-184cPart TypeExhaust Gas Temperature (EGT) Sensor
£328.00£299.99 inc VAT£249.99 ex VAT -
Holley EFI 554-184aPart TypeExhaust Gas Temperature (EGT) Sensor
£328.00£299.99 inc VAT£249.99 ex VAT -
Holley EFI 554-180
Holley EFI 1/4" EGT Probe - Open Tip
Open Tip
Part TypeExhaust Gas Temperature (EGT) Sensor£128.99£92.99 inc VAT£77.49 ex VAT -
Holley EFI 554-178
Holley EFI 1/4" EGT PROBE, OPEN TIP - 90DEG 32.25IN
90DEG 32.25IN
Part TypeExhaust Gas Temperature (EGT) Sensor£142.99 inc VAT£119.16 ex VAT -
Holley EFI 554-177
Holley EFI 1/4" EGT PROBE, OPEN TIP - 90DEG 27.50IN
90DEG 27.50IN
Part TypeExhaust Gas Temperature (EGT) Sensor£142.99 inc VAT£119.16 ex VAT -
Holley EFI 554-176
Holley EFI 1/4" EGT PROBE, OPEN TIP - 90DEG 22.75IN
90DEG 22.75IN
Part TypeExhaust Gas Temperature (EGT) Sensor£142.99 inc VAT£119.16 ex VAT -
Holley EFI 554-175
Holley EFI 1/4" EGT PROBE, OPEN TIP - 90DEG 18.50IN
90DEG 18.50IN
Part TypeExhaust Gas Temperature (EGT) Sensor£142.99 inc VAT£119.16 ex VAT -
Holley EFI 554-166
Holley EFI CAN Input/Output Module - Without Harness - Adds Up To (8) Inputs and Outputs
Dominator and HP requires V6 software version Build...
Part TypeEngine Control Module (ECM)£419.99£410.99 inc VAT£342.49 ex VAT -
Holley EFI 554-165
Holley EFI CAN Input/Output Module Kit - Adds Up To (8) Inputs and Outputs
Dominator and HP requires V6 software version Build...
Part TypeEngine Control Module (ECM)£511.99£500.99 inc VAT£417.49 ex VAT -
Holley EFI 554-162
Holley EFI 2 Axis G-Meter
The unit can be mounted using Velcro, which...
Part TypeLateral Accelerometer Gauge£460.99£422.99 inc VAT£352.49 ex VAT -
Holley EFI 554-157
Holley EFI ECU Bracket - HP/Terminator/Terminator X - Fits 1979-2004 Ford Mustang
Please note that these are designed to fit...
Part TypeEngine Control Module (ECM) Bracket£119.99 inc VAT£99.99 ex VAT -
Holley EFI 554-156
Holley EFI ECU Bracket - Dominator - Fits 1979-1998 Ford Mustang
Please note that these are designed to fit...
Part TypeEngine Control Module (ECM) Bracket£109.99£73.99 inc VAT£61.66 ex VAT -
Holley EFI 554-150
Holley EFI Terminator X GM Gen V LT GDI Controller
ECU is not recommended for marine applications, but...
Part TypeFuel Injection Electronic Control Unit£1,022.99£1,012.00 inc VAT£843.33 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.



