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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 300-248bk
Holley EFI Black Cast Aluminum 4500 EFI Throttle Body Intake Elbow-Ls
Black EFI Throttle Body Intake Elbow 4500 -...
Part TypeFuel Injection Throttle Body Adapter£307.99£281.99 inc VAT£234.99 ex VAT -
Holley EFI 565-31
Holley EFI HyperSpark Installation Tool - Counter Clockwise
SBF, Chrysler, and Oldsmobile applications, only used for...
Part TypeDistributor Tool£11.99 inc VAT£9.99 ex VAT -
Holley EFI 565-32
Holley EFI HyperSpark Installation Tool - Clockwise
SBC/BBC, Small Block Chrysler, and Jeep258ci applications, only...
Part TypeDistributor Tool£28.00 inc VAT£23.33 ex VAT -
Holley EFI 556-160
HOLLEY EFI COYOTE SMART COIL - Black, Single Coil
Black, Single Coil
Part TypeIgnition Coil£47.99 inc VAT£39.99 ex VAT -
Holley EFI 558-513
Holley EFI Harness Kit - Ford Foxbody 5.0L V8 W/Tfi
Included with 550-937F, 550-943F, and 550-949F Terminator X...
Part TypeWiring Harness£995.99£964.00 inc VAT£803.33 ex VAT -
Holley EFI 558-510
Holley EFI Ford Coyote Ti-VCT Harness Kit
Complete system requirements: Coyote Ti-VCT Control Module 554-145,...
Part TypeEngine Wiring Harness£1,892.99£1,715.99 inc VAT£1,429.99 ex VAT -
Holley EFI 534-220
Holley EFI Fuel Rail Kit For #300-134 And 300-135 Intake Manifold
The LS engine architecture does not utilize an...
Part TypeFuel Injector Rail£314.99£299.99 inc VAT£249.99 ex VAT -
Holley EFI 554-114lw
Holley EFI Lightweight Dominator ECU
Dominator EFI systems are sold "a la carte,"...
Part TypeEngine Control Module (ECM)£2,567.99£2,073.98 inc VAT£1,728.32 ex VAT -
Holley EFI 558-444
Holley EFI Digital Dash Service Harness - Service Harness
Service Harness
Part TypeComputer Chip Programmer Input Cable£37.00 inc VAT£30.83 ex VAT -
Holley EFI 558-329
Holley EFI Tach Input Ignition Adapter
Plugs into the connector labeled "IGNITION" on the...
Part TypeTachometer Adapter£31.00 inc VAT£25.83 ex VAT -
Holley EFI 534-262
Holley EFI Replacement Fuel Rail Brackets and Fasteners For GM LS Series Lo-Ram Manifolds
Fuel Rail Brackets and Fasteners For GM LS...
Part TypeFuel Injector Rail Bracket£64.00 inc VAT£53.33 ex VAT -
Holley EFI 300-613
Holley Fastener and O-Ring Cord Kit, LS1/2/6 Lo-Ram Manifold
Holley Fastener and O-Ring Cord Kit, LS1/2/6 Lo-Ram...
Part TypeEngine Intake Manifold Mounting Hardware£31.99 inc VAT£26.66 ex VAT -
Holley EFI 556-171
Holley EFI 7" 12-1x Modular Crank Trigger Kit
With the included high quality timing pointer and...
Part TypeIgnition Crank Trigger Kit£682.00£631.99 inc VAT£526.66 ex VAT -
Holley EFI 553-389
Holley Dash Bezels for the Holley EFI 6.86" Dashes - 1968 CHEVELLE HOLLEY BLACK DASH PANEL
***The Holley EFI or Racepak dashes are not...
Part TypeDriver Information Display Bezel£716.99£701.99 inc VAT£584.99 ex VAT -
Holley EFI 9925-103Part TypeFuel Injection Throttle Body£35.99 inc VAT£29.99 ex VAT
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Holley EFI 9919-141
Holley EFI Allen Head Screw - Stainless Steel 1/4-20 Screw - 1 Inch
Stainless Steel 1/4-20 Screw - 1 Inch
Part TypeScrew£4.00£2.99 inc VAT£2.49 ex VAT -
Holley EFI 9910-102Part TypeFuel Injection Throttle Body Mounting Gasket£34.00 inc VAT£28.33 ex VAT
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Holley EFI 9910-101Part TypeThrottle Body Gasket
£13.99£8.99 inc VAT£7.49 ex VAT -
Holley EFI 9906-143
Holley EFI Fuel Fitting
Fuel Fitting -6AN To 3/8" Hose Barb
Part TypeFuel Hose Fitting£7.99 inc VAT£6.66 ex VAT -
Holley EFI 9902-104
Holley EFI MAP Sensor Bracket
MAP Sensor Bracket
Part TypeManifold Absolute Pressure Sensor Bracket£52.00£34.00 inc VAT£28.33 ex VAT -
Holley EFI 717-18
Holley EFI Coyote Throttle Adapter Kit - Allows use of 2011-2023 Mustang GT throttle bodies
Allows use of 2011-2023 Mustang GT throttle bodies
Part TypeFuel Injection Throttle Body Adapter£94.99 inc VAT£79.16 ex VAT -
Holley EFI 573-205
Holley EFI Flame Retardant Split-Wire Loom - 1 inch Nomex Split Loom 10 ft
When updating your ECU firmware, you MUST unplug...
Part TypeWire Conduit£134.99£103.99 inc VAT£86.66 ex VAT -
Holley EFI 573-203
Holley EFI Flame Retardant Split-Wire Loom - 5/8 inch Nomex Split Loom 10 ft
When updating your ECU firmware, you MUST unplug...
Part TypeWire Conduit£113.99 inc VAT£94.99 ex VAT -
Holley EFI 573-202
Holley EFI Flame Retardant Split-Wire Loom - 1/2 inch Nomex Split Loom 10 ft
When updating your ECU firmware, you MUST unplug...
Part TypeWire Conduit£92.99 inc VAT£77.49 ex VAT -
Holley EFI 573-110
Holley EFI F6 Split Wire Loom - 1 Inch
10 Feet, Black, 1" Braided F6 Split Wire...
Part TypeWire Conduit£43.99 inc VAT£36.66 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.



