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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 300-612
Holley Lo-Ram Intake Manifold Mounting Stud Kit
Intake Manifold Mounting Stud Kit Lo-Ram LS Engines
Part TypeEngine Intake Manifold Stud£31.99 inc VAT£26.66 ex VAT -
Holley EFI 526-13
Holley Sniper EFI Stealth 4150 Fuel System Kit
EFI Fuel System Kit
Part TypeElectric Fuel Pump£346.99£337.99 inc VAT£281.66 ex VAT -
Holley EFI 526-12
Holley EFI SNIPER EFI FUEL SYSTEM KIT FOR QUADRAJET
SNIPER EFI FUEL
Part TypeFuel System Upgrade Kit£346.99£337.99 inc VAT£281.66 ex VAT -
Holley EFI 526-14
Holley EFI SNIPER 2 EFI FUEL SYSTEM KIT 20FT HOSE
SNIPER 2 EFI FUEL
Part TypeFuel Line£298.00£271.00 inc VAT£225.83 ex VAT -
Holley EFI 534-20
Holley EFI Intake Air Temperature Sensor
Screws into intake plenum.
Part TypeAir Charge Temperature Sensor£70.00 inc VAT£58.33 ex VAT -
Holley EFI 543-124
Holley EFI Throttle Position Sensor
For Sniper Autolite 1100
Part TypeThrottle Position Sensor£32.99 inc VAT£27.49 ex VAT -
Holley EFI 558-407
Holley EFI Dominator EFI Multi Map Selector - Select up to (4) different tunes
Select up to (4) different tunes
Part TypeWiring Harness£181.99 inc VAT£151.66 ex VAT -
Holley EFI 570-228
Holley EFI HEMI Coolant Temperature Sensor (CTS) - MOLEX 2 CAVITY, FEMALE
MOLEX 2 CAVITY, FEMALE
Part TypeEngine Coolant Temperature Sensor£13.00 inc VAT£10.83 ex VAT -
Holley EFI 570-200
Holley EFI Wideband Connector - Main Harness Side
Verify current connector for accurate replacement.
Part TypeMulti-Purpose Wire Connector£10.00 inc VAT£8.33 ex VAT -
Holley EFI 571-102Part TypeMulti-Purpose Wire Connector£28.99 inc VAT£24.16 ex VAT
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Holley EFI 554-120
Holley EFI Terminator 1 Bar MAP Sensor - Designed for Terminator EFI
Designed for Terminator EFI
Part TypeManifold Absolute Pressure Sensor£127.00 inc VAT£105.83 ex VAT -
Holley EFI 558-319
Holley EFI Main Power Harness for Coyote Ti-VCT Applications
Required when using Holley part number 554-145.
Part TypeEngine Control Module (ECM) Wiring Harness£65.99 inc VAT£54.99 ex VAT -
Holley EFI 558-486
Holley EFI Pro Dash M8 Service Harness
Verify M8 version before ordering.
Part TypeWiring Harness£142.99 inc VAT£119.16 ex VAT -
Holley EFI 558-485
Holley EFI Sniper 2 EFI M8 8' Extension Harness - Compatible with Sniper 2 EFI M8 Accessories
Compatible with Sniper 2 EFI M8 Accessories
Part TypeWiring Harness£47.99 inc VAT£39.99 ex VAT -
Holley EFI 522-768x
Holley Terminator X Fuel Injectors - Set of Eight - PICO/EV6 - 76 lb/hr - High Impedance
Designed for use in setups with a 38mm...
Part TypeFuel Injector£499.00£481.99 inc VAT£401.66 ex VAT -
Holley EFI 522-428x
Holley Terminator X Fuel Injectors - Set of Eight - PICO/EV6 - 42 lb/hr - High Impedance
Designed for use in setups with a 38mm...
Part TypeFuel Injector£499.00£481.99 inc VAT£401.66 ex VAT -
Holley EFI 522-361s
Holley Terminator X Fuel Injector - Individual - PICO/EV6 - 36 lb/hr - High Impedance
These injectors are intended to be used with...
Part TypeFuel Injector£95.99 inc VAT£79.99 ex VAT -
Holley EFI 522-221x
Holley Terminator X Fuel Injector - Individual - PICO/EV6 - 220 lb/hr - High Impedance
Designed for use in setups with a 38mm...
Part TypeFuel Injector£133.99 inc VAT£111.66 ex VAT -
Holley EFI 522-228x
Holley Terminator X Fuel Injectors - Set of Eight - PICO/EV6 - 220 lb/hr - High Impedance
These injectors are rated at 43psi base fuel...
Part TypeFuel Injector£818.99 inc VAT£682.49 ex VAT -
Holley EFI 522-191
Holley EFI Performance Fuel Injector - Individual - Bosch/EV1 - 19 lb/hr - High Impedance
Bosch/EV1 - 19 lb/hr - High Impedance
Part TypeFuel Injector£109.99 inc VAT£91.66 ex VAT -
Holley EFI 522-121x
Holley Terminator X Fuel Injector - Individual - PICO/EV6 - 120 lb/hr - High Impedance
Designed for use in setups with a 38mm...
Part TypeFuel Injector£109.99 inc VAT£91.66 ex VAT -
Holley EFI 522-128x
Holley Terminator X Fuel Injectors - Set of Eight - PICO/EV6 - 120 lb/hr - High Impedance
Designed for use in setups with a 38mm...
Part TypeFuel Injector£613.99£601.00 inc VAT£500.83 ex VAT -
Holley EFI 522-101x
Holley Terminator X Fuel Injector - Individual - PICO/EV6 - 100 lb/hr - High Impedance
Designed for use in setups with a 38mm...
Part TypeFuel Injector£83.99 inc VAT£69.99 ex VAT -
Holley EFI 522-108x
Holley Terminator X Fuel Injectors - Set of Eight - PICO/EV6 - 100 lb/hr - High Impedance
Designed for use in setups with a 38mm...
Part TypeFuel Injector£499.00£481.99 inc VAT£401.66 ex VAT -
Holley EFI 300-248
Holley EFI Cast Aluminum 4500 EFI Throttle Body Intake Elbow-LS
EFI Throttle Body Intake Elbow 4500 - Fits...
Part TypeFuel Injection Throttle Body Adapter£331.99£202.00 inc VAT£168.33 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.



