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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 571-108Part TypeMulti-Purpose Wiring Connector Seal£19.00 inc VAT£15.83 ex VAT
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Holley EFI 571-107Part TypeMulti-Purpose Wire Connector£25.00 inc VAT£20.83 ex VAT
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Holley EFI 571-104Part TypeMulti-Purpose Wire Connector£26.99 inc VAT£22.49 ex VAT
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Holley EFI 571-103Part TypeMulti-Purpose Wire Connector£25.00 inc VAT£20.83 ex VAT
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Holley EFI 570-348
Holley EFI J4 Connector Kit
OEM Quality Connector
Part TypeWiring Harness£58.00 inc VAT£48.33 ex VAT -
Holley EFI 570-347
Holley EFI J3 Connector Kit
OEM Quality Connector
Part TypeWiring Harness£58.00 inc VAT£48.33 ex VAT -
Holley EFI 570-346
Holley EFI J2B Connector Kit
OEM Quality Connector
Part TypeElectrical Pin Connector£58.00 inc VAT£48.33 ex VAT -
Holley EFI 570-345
Holley EFI J2A Connector Kit
OEM Quality Connector
Part TypeWiring Harness£58.00 inc VAT£48.33 ex VAT -
Holley EFI 570-344
Holley EFI J1B Connector Kit
OEM Quality Connector
Part TypeWiring Harness£58.00 inc VAT£48.33 ex VAT -
Holley EFI 570-318
Holley EFI LS 58x Crank Sensor and LS Cam Sensor Connector - METRIPACK, 3 CAVITY, FEMALE, BLACK
METRIPACK, 3 CAVITY, FEMALE, BLACK
Part TypeMulti-Purpose Wire Connector£55.00 inc VAT£45.83 ex VAT -
Holley EFI 570-317
Holley EFI LS Manifold Air Pressure Sensor and 24x Crank Connector
METRIPACK, 3 CAVITY, FEMALE, GREY
Part TypeMulti-Purpose Wire Connector£55.00 inc VAT£45.83 ex VAT -
Holley EFI 570-304
Holley EFI Ignition Sub Harness Connector - METRIPACK, 10 CAVITY, MALE, BLACK
METRIPACK, 10 CAVITY, MALE, BLACK
Part TypeWiring Harness£55.00 inc VAT£45.83 ex VAT -
Holley EFI 570-300
Holley EFI Wideband Connector - Main Harness Side - METRIPACK, 8 PIN, MALE, BLACK (10-PACK)
METRIPACK, 8 PIN, MALE, BLACK (10-PACK)
Part TypeOxygen Sensor Connector£43.99 inc VAT£36.66 ex VAT -
Holley EFI 570-241
Holley EFI Modular Ford Cam & Crank / Coyote Crank Connector - 2 CAVITY CONNECTOR (FORD ENGINES)
2 CAVITY CONNECTOR (FORD ENGINES)
Part TypeElectrical Pin Connector£28.99 inc VAT£24.16 ex VAT -
Holley EFI 570-240
Holley EFI HEMI Manifold Air Pressure Connector - HEMI MAP SENSOR CONNECTOR
HEMI MAP SENSOR CONNECTOR
Part TypeManifold Absolute Pressure Sensor Connector£16.99 inc VAT£14.16 ex VAT -
Holley EFI 570-239
Holley EFI Coyote Cam Connector - 3 CAVITY, SEALED CONNECTOR
3 CAVITY, SEALED CONNECTOR
Part TypeEngine Camshaft Position Sensor Connector£14.99 inc VAT£12.49 ex VAT -
Holley EFI 570-238
Holley EFI Modular Ford / Coyote Idle Air Control Connector - SSC, 2 CAVITY, BLACK CONNECTOR
SSC, 2 CAVITY, BLACK CONNECTOR
Part TypeIdle Air Control Valve Connector£14.99 inc VAT£12.49 ex VAT -
Holley EFI 570-237
Holley EFI Modular Ford / Coyote Manifold Air Temperature Connector - SSC, 2 CAVITY, GREY CONNECTOR
SSC, 2 CAVITY, GREY CONNECTOR
Part TypeEngine Sensor£14.99 inc VAT£12.49 ex VAT -
Holley EFI 570-236
Holley EFI Modular Ford Coolant Temp Sensor Connector - SSC, 2 CAVITY, GREY CONNECTOR
SSC, 2 CAVITY, GREY CONNECTOR
Part TypeEngine Coolant Temperature Sensor Connector£14.99 inc VAT£12.49 ex VAT -
Holley EFI 570-235
Holley EFI HEMI Coolant Temperature Sensor Connector - APEX 2.8, 3 CAVITY, FEMALE, BLK HOUSING
APEX 2.8, 3 CAVITY, FEMALE, BLK HOUSING
Part TypeEngine Coolant Temperature Sensor Connector£14.99 inc VAT£12.49 ex VAT -
Holley EFI 570-234
Holley EFI HEMI CAM & Crank Connector - APEX 1.2, 3 CAVITY, FEMALE, BLK HOUSING
APEX 1.2, 3 CAVITY, FEMALE, BLK HOUSING
Part TypeEngine Camshaft Position Sensor Connector£13.00 inc VAT£10.83 ex VAT -
Holley EFI 570-233
Holley EFI HEMI Coolant Temperature Sensor Connector - 1.5MM YESC, 2 PIN CONNECTOR
1.5MM YESC, 2 PIN CONNECTOR
Part TypeEngine Sensor£14.99 inc VAT£12.49 ex VAT -
Holley EFI 570-232
Holley EFI Hemi Cam Sensor - 3 PIN SEALED CONNECTOR
3 PIN SEALED CONNECTOR
Part TypeEngine Camshaft Position Sensor£16.00 inc VAT£13.33 ex VAT -
Holley EFI 570-231
Holley EFI Coyote and Modular Ford Throttle Position Sensor Connector - DMS CONNECTOR HOUSING, 3 PIN
DMS CONNECTOR HOUSING, 3 PIN
Part TypeThrottle Position Sensor Connector£22.99 inc VAT£19.16 ex VAT -
Holley EFI 570-230
Holley EFI HEMI Knock Sensor Connector - DMS CONNECTOR HOUSING, 2 PIN
DMS CONNECTOR HOUSING, 2 PIN
Part TypeIgnition Knock (Detonation) Sensor Connector£16.99 inc VAT£14.16 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.



