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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 Sniper EFI 550-511-3pk-sbc
SNIPER 2 3.5" PDM MSTR KIT, BLK, SBC IGN - Sniper 2 EFI Bundle with HyperSpark Ignition System
Nitrous Control not supported in Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£2,516.99£2,347.99 inc VAT£1,956.66 ex VAT -
Holley Sniper EFI 550-510-3pk-sbf
SNIPER 2 3.5" PDM MSTR KIT, POL, SBF IGN - Sniper 2 EFI Bundle with HyperSpark Ignition System
Nitrous Control not supported in Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£2,516.99£2,347.99 inc VAT£1,956.66 ex VAT -
Holley Sniper EFI 558-495
M8 TO CAN USB DONGLE - Sniper 2 EFI CAN to USB-A Cable
USB driver for the USB CAN does not...
Part TypeUSB Data Cable£88.00 inc VAT£73.33 ex VAT -
Holley EFI 550-909
TERMINATOR X MPFI LS1 W EV6 - Holley EFI Terminator X - GM LS1/LS6
Terminator X ECU's are designed to be mounted...
Part TypeFuel Injection System£1,534.99£1,502.99 inc VAT£1,252.49 ex VAT -
Holley EFI 550-937
Holley EFI Terminator X - Ford MPFI Kit - Universal MPFI Main Harness
Terminator X ECU's are designed to be mounted...
Part TypeFuel Injection System£1,534.99£1,502.99 inc VAT£1,252.49 ex VAT -
Holley EFI 550-930
Holley Terminator X Max ECU Kit - Early GM Truck - 24X - W/ DBW
Terminator X ECU's are designed to be mounted...
Part TypeFuel Injection System£1,943.99£1,853.99 inc VAT£1,544.99 ex VAT -
Holley EFI 550-1421
Holley EFI Terminator X Max - 2003-2006 Gen III HEMI - EV6 Injectors
ECU is not recommended for marine applications, but...
Part TypeFuel Injection System£2,352.98£2,224.99 inc VAT£1,854.16 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 558-405
Holley EFI Transmission Control Harness - For 1996-2008 GM 4L60E and 4L80E
This product is not compatible with 4WD installations.
Part TypeFuel Injection Harness£314.99£299.99 inc VAT£249.99 ex VAT -
Holley EFI 558-321
Holley EFI LS COIL HARNESSES
Factory replacement coil harness for stock LS coils,...
Part TypeIgnition Coil Assembly Wiring Harness£205.00£184.00 inc VAT£153.33 ex VAT -
Holley EFI 558-305
Holley EFI Ford TFI Ignition Harness
Ford TFI Ignition Harness for Avenger EFI, HP...
Part TypeIgnition Harness£139.99 inc VAT£116.66 ex VAT -
Holley EFI 558-103
Holley EFI LS2/3/7+ (58x/4x) Engine Main Harness
LS2/3/7+ (58x/4x) Engine Main Harness for HP EFI...
Part TypeFuel Injection Harness£665.99£634.99 inc VAT£529.16 ex VAT -
Holley EFI 554-155
Holley EFI Oxygen Sensor
For Sniper and Terminator X O2 Sensor
Part TypeOxygen Sensor£169.99 inc VAT£141.66 ex VAT -
Holley EFI 554-147
Holley EFI Pro Dash GPS Antenna
Install the GPS antenna where it has clear...
Part TypeComputer Chip Programmer Input Cable£55.00 inc VAT£45.83 ex VAT -
Holley EFI 554-102
Holley EFI Pressure Sensor - 0-100 PSI Range
Not recommended to directly mount directly into the...
Part TypeFuel Injection Pressure Sensor£154.00£145.00 inc VAT£120.83 ex VAT -
Holley EFI 553-111
Holley EFI 12.3" Pro Dash
Plug-and-play with Dominator - HP - Terminator X...
Part TypeInstrument Cluster£2,148.98£1,987.00 inc VAT£1,655.83 ex VAT -
Holley EFI 543-105
Holley EFI Idle Air Control Motor - Chrysler Style Replacement IAC
Chrysler Style Replacement IAC
Part TypeIdle Air Control Valve£109.00 inc VAT£90.83 ex VAT -
Holley EFI 534-10
Holley EFI Coolant Temperature Sensor - Fits coolant passages with 3/8" NPT threads
Fits coolant passages with 3/8" NPT threads
Part TypeEngine Coolant Temperature Sensor£64.99 inc VAT£54.16 ex VAT -
Holley EFI 508-24
Holley EFI 105mm GM LS Throttle Body Gasket
105mm GM LS Throttle Body Gasket
Part TypeFuel Injection Throttle Body Mounting Gasket£20.99 inc VAT£17.49 ex VAT -
Holley EFI 162-591
Holley EFI GM Style Filter/ Regulator -6AN
Filter / Regulator Assembly, return style preset at...
Part TypeFuel Injection Pressure Regulator£89.99 inc VAT£74.99 ex VAT -
Holley EFI 162-590
Holley EFI GM Style Filter/ Regulator Standard
Filter / Regulator Assembly, return style preset at...
Part TypeFuel Injection Pressure Regulator£62.99 inc VAT£52.49 ex VAT -
Holley EFI 12-889
Holley EFI Diecast Filter Regulator -8AN
Filter Regulator ASY - 8AN o-ring , 110...
Part TypeFuel Injection Pressure Regulator£191.99£184.00 inc VAT£153.33 ex VAT -
Holley 703-1
Marine Carb Renew Kit
Kit is for list numbers -R4473 -R6151 -R6152...
Part TypeCarburetor Repair Kit£85.99£79.99 inc VAT£66.66 ex VAT -
Holley 6-506
Inlet Needle - Viton
Inlet Needle Viton® tip 0.097" Seat Size, Adjustable...
Part TypeCarburetor Needle and Seat£25.99£25.00 inc VAT£20.83 ex VAT -
Holley 45-228
Choke Control Cable
Choke Control Cable (Manual)
Part TypeCarburetor Choke Cable£38.99 inc VAT£32.49 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.



