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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 550-511-3xk
SNIPER 2 EXTERNAL MASTER KIT, BLACK - Holley Sniper 2 EFI - Black
Nitrous Control Not Supported In Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£1,897.00 inc VAT£1,580.83 ex VAT -
Holley EFI 558-443
Holley EFI CAN to USB-A Cable - Communicate using laptop
USB driver for the USB CAN does not...
Part TypeComputer Chip Programmer Input Cable£109.00 inc VAT£90.83 ex VAT -
Holley EFI 550-903
TERMINATOR X MPFI LS1 - Holley EFI Terminator X - GM LS1/LS6
Terminator X ECU's are designed to be mounted...
Part TypeFuel Injection System£1,643.99 inc VAT£1,369.99 ex VAT -
Holley EFI 558-465
Holley EFI CAN Splitter - HP, Dominator, Sniper 1, Terminator X
Required unplugging the CAN Splitter from the main...
Part TypeGauge Wiring Harness£64.00 inc VAT£53.33 ex VAT -
Holley EFI 534-104
Holley EFI Fuel Injector O-Rings - Package of 16
Package of 16
Part TypeFuel Injector Seal£35.99 inc VAT£29.99 ex VAT -
Holley 36-462
Holley Go Fast Sticker Pack
Overview Holley "Go Fast" 24 Vinyl Decal Pack...
£13.99 inc VAT£11.66 ex VAT -
Holley 0-80402-2
Holley Marine Carburetor - Aluminum
500 CFM - 2300 - Hard Core Gray...
Part TypeCarburetor£787.00 inc VAT£655.83 ex VAT -
Holley 508-22
Intake Manifold Gasket Set, O-Ring LS3/LS7
Overview Intake Manifold Gasket Set, O-Ring LS3/LS7Genuine Holley...
Engine TypeGen III/Gen IV LS£58.99 inc VAT£49.16 ex VAT -
Holley Sniper EFI 550-510-5pk
SNIPER 2 PDM 5" MASTER KIT POLISHED - Holley Sniper 2 EFI - Polished
Nitrous Control Not Supported In Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£2,159.99 inc VAT£1,799.99 ex VAT -
Holley Sniper EFI 550-552
SNIPER ONE BBL GOLD - Holley Sniper EFI Autolite 1100 - Classic Gold
Supports Up To 175 HP - 3.5 in....
Part TypeFuel Injection Conversion Kit£1,186.00 inc VAT£988.33 ex VAT -
Holley Sniper EFI 556-152
IGNITION COIL, HYPERSPARK - Sniper EFI HyperSpark Ignition Coil
Included connector and hardware
Part TypeIgnition Coil£74.99 inc VAT£62.49 ex VAT -
Holley Sniper EFI 556-154
HYPERSPARK 2 - Sniper EFI HyperSpark 2 Ignition Box
Solid Core spark plug wires cannot be used...
Part TypeIgnition Control Module£421.99 inc VAT£351.66 ex VAT -
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£685.00 inc VAT£570.83 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£1,054.00 inc VAT£878.33 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£2,749.99 inc VAT£2,291.66 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£1,643.99 inc VAT£1,369.99 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£2,054.99 inc VAT£1,712.49 ex VAT -
Holley EFI 558-483
Holley EFI Terminator X Bluetooth Module
Used with Terminator X and Terminator X Max...
Part TypeVehicle Network Communications Gateway£253.99 inc VAT£211.66 ex VAT -
Holley EFI 558-416Part TypeFuel Injection Wiring Harness Adapter£55.00 inc VAT£45.83 ex VAT
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Holley EFI 558-321
Holley EFI LS COIL HARNESSES
Factory replacement coil harness for stock LS coils,...
Part TypeIgnition Coil Assembly Wiring Harness£227.99 inc VAT£189.99 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£712.99 inc VAT£594.16 ex VAT -
Holley EFI 554-155
Holley EFI Oxygen Sensor
For Sniper and Terminator X O2 Sensor
Part TypeOxygen Sensor£212.99 inc VAT£177.49 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£176.99 inc VAT£147.49 ex VAT -
Holley EFI 553-111
Holley EFI 12.3" Pro Dash
Plug-and-play with Dominator - HP - Terminator X...
Part TypeInstrument Cluster£2,212.99 inc VAT£1,844.16 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£136.99 inc VAT£114.16 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.



