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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
  • ✓ In Stock
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    Holley 561-133

    Tall LS Valve Cover Bolt Assembly - Single

    Service Part, Mounting Hardware (x1) for Holley Tall...

    Part TypeEngine Valve Cover Bolt Kit
    £13.00£7.99 inc VAT
    £6.66 ex VAT
  • ✓ In Stock
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    Holley 561-132
    Part TypeIgnition Coil Mounting Bracket
    £7.99 inc VAT
    £6.66 ex VAT
  • ✓ In Stock
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    Holley 534-280

    Fuel Rail Kit

    Fuel Rail kit for 300-276 Holley EFI Small...

    Part TypeFuel Injector Rail
    £160.00£154.00 inc VAT
    £128.33 ex VAT
  • Sold out
    Out of Stock
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    Holley 534-223

    Fuel Rail Kit

    Fuel Rail kit for Holley EFI Big Block...

    Part TypeFuel Injector Rail
    £298.99£280.99 inc VAT
    £234.16 ex VAT
  • Sold out
    Out of Stock
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    Holley 534-219

    LS1 Single Plane Fuel Rail Kit

    EFI Fuel Rail Kit for 300-137

    Part TypeFuel Injector Rail
    £266.99£250.99 inc VAT
    £209.16 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 534-218

    LS3 Single Plane Fuel Rail Kit

    EFI Fuel Rail Kit for 300-136

    Part TypeFuel Injector Rail
    £256.99£241.00 inc VAT
    £200.83 ex VAT
  • ✓ In Stock
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    Holley 534-214

    TPS Kit for Gen 3 Dominator

    Throttle Position Sensor

    Part TypeThrottle Position Sensor
    £91.00 inc VAT
    £75.83 ex VAT
  • ✓ In Stock
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    Holley 534-202

    Throttle Position Kit for Electric Choke Carburetors

    Fits Model 4160 and 4150 carburetors with electric...

    Part TypeThrottle Position Sensor
    £212.99£193.99 inc VAT
    £161.66 ex VAT
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    Out of Stock
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    Holley 526-26

    Holley Fox Body Fuel System Kits

    Fits 1986-1993 Ford Mustang, -8AN kit

    Part TypeFuel System Upgrade Kit
    £1,534.99£1,354.99 inc VAT
    £1,129.16 ex VAT
  • ✓ In Stock
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    Holley 526-25

    Holley Fox Body Fuel System Kits

    Fits 1986-1993 Ford Mustang, -6AN kit

    Part TypeFuel System Upgrade Kit
    £1,144.00£1,076.99 inc VAT
    £897.49 ex VAT
  • ✓ In Stock
    Photo - out of package
    Holley 526-24

    HOLLEY G-BODY FUEL SYSTEM KIT

    The pump is not compatible for use with...

    Part TypeFuel System Upgrade Kit
    £920.99£866.99 inc VAT
    £722.49 ex VAT
  • ✓ In Stock
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    Holley 526-23

    HOLLEY G-BODY RETURNLESS FUEL SYSTEM KIT

    The pump is not compatible for use with...

    Part TypeFuel System Upgrade Kit
    £818.99£770.99 inc VAT
    £642.49 ex VAT
  • Sold out
    Out of Stock
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    Holley 512-515

    Holley Fuel Pressure Regulator -Buick

    Non-Adjustable Fuel Pressure regulator for 1984-1987 Buick Regal...

    Part TypeFuel Pressure Regulator
    £80.99 inc VAT
    £67.49 ex VAT
  • ✓ In Stock
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    Holley 512-504-5

    Boost Compensating Universal EFI Fuel Pressure Regulator

    Hot Street/Race EFI Applications Two Port Adjustable from...

    Part TypeFuel Pressure Regulator
    £460.99£433.99 inc VAT
    £361.66 ex VAT
  • Sold out
    Out of Stock
    Holley 512-501 primary image
    Holley 512-501

    Stock Replacement Adjustable Fuel Pressure Regulator

    Overview Street/Strip EFI Applications Fits 1985-92 5.0/5.7L TPI...

    Part TypeFuel Pressure Regulator
    £0
  • ✓ In Stock
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    Holley 508-5

    Throttle Body Gasket

    Throttle Body Gasket Flange For 2 bbl Pro-Jection...

    Part TypeCarburetor Mounting Gasket
    £4.00£1.99 inc VAT
    £1.66 ex VAT
  • Sold out
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    Holley 508-42
    Part TypeEngine Intake Manifold Gasket Kit
    £95.99 inc VAT
    £79.99 ex VAT
  • ✓ In Stock
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    Holley 508-40

    300-301,302,303,Replacement Hardware Kit

    300-301,302,303,REPLACEMENT HARDWARE KIT

    Part TypeEngine Intake Manifold Mounting Hardware
    £59.99£38.99 inc VAT
    £32.49 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 508-33

    Replacement Hardware And Bracket Kit LS3 Natural

    REPLACEMENT HARDWARE AND BRACKET KIT LS3 NATURAL

    Part TypeEngine Intake Manifold Gasket Kit
    £103.00£67.00 inc VAT
    £55.83 ex VAT
  • ✓ In Stock
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    Holley 508-31

    Hardware Kit For Split Intake-Silver

    HARDWARE KIT FOR SPLIT INTAKE-SILVER

    Part TypeEngine Intake Manifold Gasket Kit
    £97.99 inc VAT
    £81.66 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 508-28

    Port Flange O-Rings -Size 2-234 Set Of 8

    PORT FLANGE O-RINGS -SIZE 2-234 SET OF 8

    Part TypeEngine Intake Manifold Gasket Set
    £37.00 inc VAT
    £30.83 ex VAT
  • ✓ In Stock
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    Holley 508-25

    Holley Intake Manifold Gasket Set, O-Ring - Gm Gen-V LT1

    Intake Manifold O-Ring Set - Seals Head to...

    Part TypeEngine Intake Manifold Gasket Set
    £46.99 inc VAT
    £39.16 ex VAT
  • Sold out
    Out of Stock
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    Holley 508-21

    Gasket Kit, Hi-Ram Plenum O-Ring Cord

    Gasket Kit, Hi-Ram Plenum O-Ring Cord

    Part TypeEngine Intake Manifold Gasket
    £49.00 inc VAT
    £40.83 ex VAT
  • ✓ In Stock
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    Holley 508-19

    Fuel Injection O-Ring Kit

    Replacement O-Ring Kit For Delphi Style Injectors

    Part TypeFuel Injector O-Ring
    £29.99 inc VAT
    £24.99 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 508-11

    Throttle Body Gasket

    Gasket for 2 bbl TBI Flange OE Manifold/2...

    Part TypeCarburetor Flange Gasket
    £86.99 inc VAT
    £72.49 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.