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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 565-311
Hall Effect EFI Distributor - Buick - HyperSpark Distributor - Buick Small Block
This is a cast distributor gear, it is...
Part TypeDistributor£665.99£610.99 inc VAT£509.16 ex VAT -
Holley Sniper EFI 19-365
SNPR CAST RETROFIT CARB PUMP HNGR - Sniper EFI Diecast In-Tank Carbureted Retrofit Fuel Module Returnless - 340 LPH
It is recommended to use a Holley 12-753...
Part TypeFuel Pump Module Assembly£367.00£334.99 inc VAT£279.16 ex VAT -
Holley Sniper EFI 565-310k
HYPER KIT W/565-310 - OLDSMOBILE - HyperSpark Kit w/ 565-310 - Oldsmobile
This is a cast distributor gear, it is...
Part TypeDistributor£1,022.99£949.00 inc VAT£790.83 ex VAT -
Holley Sniper EFI 558-494
SNIPER 2 CAN HUB - Sniper 2 EFI CAN Hub
Requires Sniper 2 Firmware - V2 - Build...
Part TypeVehicle Network Communications Gateway£148.99 inc VAT£124.16 ex VAT -
Holley Sniper EFI 550-510-5pk-sbc
SNIPER 2 5" PDM MSTR KIT, POL, SBC IGN - Sniper 2 EFI Bundle with HyperSpark Ignition System
Nitrous Control not supported in Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£2,669.99£2,482.99 inc VAT£2,069.16 ex VAT -
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 Sniper EFI 550-511-5px-sbc
SNIPER 2 5" PDM KIT, BLACK, SBC IGN - Sniper 2 EFI Bundle with HyperSpark Ignition System
Nitrous Control not supported in Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£2,249.99£2,076.98 inc VAT£1,730.82 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 550-916
Holley Terminator X Max ECU Kit - LS1 - 24X - W/ Trans Control
Not recommended for 4x4 applications with electronic transfer...
Part TypeFuel Injection System£1,943.99£1,853.99 inc VAT£1,544.99 ex VAT -
Holley EFI 550-931
Holley Terminator X Max ECU Kit - LS3 - 58X - 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 550-930
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 570-201
Holley EFI Injector Connector - Main Harness Side - METRIPACK, 10 PIN MALE, GREY
METRIPACK, 10 PIN MALE, GREY
Part TypeWiring Harness£11.99 inc VAT£9.99 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 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.



