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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
    Photo - Primary
    Holley 125-25

    Single-Stage Power Valve

    Single-Stage Power Valve Standard Flow 2.5 in. Hg

    Part TypeCarburetor Power Valve
    £19.99£19.00 inc VAT
    £15.83 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 125-185

    Single-Stage " High Flow" Power Valve

    Single-Stage Power Valve High Flow 8.5 in. Hg

    Part TypeCarburetor Power Valve
    £34.00£31.99 inc VAT
    £26.66 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 125-165

    Single-Stage "High Flow "Power Valve

    Single-Stage Power Valve High Flow 6.5 in. Hg

    Part TypeCarburetor Power Valve
    £34.99£32.99 inc VAT
    £27.49 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 125-155

    Single-Stage " High Flow " Power Valve

    Single-Stage Power Valve High Flow 5.5 in. Hg

    Part TypeCarburetor Power Valve
    £34.00£31.99 inc VAT
    £26.66 ex VAT
  • Sold out
    Out of Stock
    Photo - Primary
    Holley 125-145

    Single-Stage " High Flow "Power Valve

    Single-Stage Power Valve High Flow 4.5 in. Hg

    Part TypeCarburetor Power Valve
    £34.99£32.99 inc VAT
    £27.49 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 125-135

    Single-Stage " High Flow" Power Valve

    Single-Stage Power Valve High Flow 3.5 in. Hg

    Part TypeCarburetor Power Valve
    £34.00£31.99 inc VAT
    £26.66 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 125-125

    Single-Stage "High Flow" Power Valve

    Single-Stage Power Valve High Flow 2.5 in. Hg

    Part TypeCarburetor Power Valve
    £34.00£31.99 inc VAT
    £26.66 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 125-105

    Single-Stage Power Valve

    Single-Stage Power Valve Standard Flow 10.5 in. Hg

    Part TypeCarburetor Power Valve
    £19.99£19.00 inc VAT
    £15.83 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 12-460-13

    130+ GPH Mechanical Fuel Pump

    Street/Strip Carbureted Applications Fits Ford 429/460 V8s Compatible...

    Part TypeMechanical Fuel Pump
    £266.99£250.99 inc VAT
    £209.16 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 12-460-11

    110 GPH Mechanical Fuel Pump

    Street/Strip Carbureted Applications Fits Ford 429/460 V8s Compatible...

    Part TypeMechanical Fuel Pump
    £212.99£203.99 inc VAT
    £169.99 ex VAT
  • Sold out
    Out of Stock
    Holley 12-454-25 primary image
    Holley 12-454-25

    170+ GPH HP Series Mechanical Fuel Pump

    Overview Street/Strip Carbureted Applications Fits Big Block Chevy...

    Part TypeMechanical Fuel Pump
    £0
  • ✓ In Stock
    Photo - Primary
    Holley 12-454-20

    170+ GPH Mechanical Fuel Pump

    Street/Strip Carbureted Applications Fits Big Block Chevy V8s...

    Part TypeMechanical Fuel Pump
    £266.99£250.99 inc VAT
    £209.16 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 12-454-13

    130+ GPH Mechanical Fuel Pump

    Street/Strip Carbureted Applications Fits Big Block Chevy V8s...

    Part TypeMechanical Fuel Pump
    £187.00£184.00 inc VAT
    £153.33 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 12-454-11

    110 GPH Mechanical Fuel Pump

    Street/Strip Carbureted Applications Fits Big Block Chevy V8s...

    Part TypeMechanical Fuel Pump
    £187.00£184.00 inc VAT
    £153.33 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 12-440-11

    110 GPH Mechanical Fuel Pump

    Street/Strip Carbureted Applications Fits Big Block Chrysler V8s...

    Part TypeMechanical Fuel Pump
    £256.99£241.00 inc VAT
    £200.83 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 12-390-11

    110 GPH Mechanical Fuel Pump

    Street/Strip Carbureted Applications Fits Ford 390, 427, 428...

    Part TypeMechanical Fuel Pump
    £256.99£241.00 inc VAT
    £200.83 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 12-389-11

    110 GPH Mechanical Fuel Pump

    Street/Strip Carbureted Applications Fits All Pontiac V8s Compatible...

    Part TypeMechanical Fuel Pump
    £256.99£241.00 inc VAT
    £200.83 ex VAT
  • Sold out
    Out of Stock
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    Holley 12-365

    HOLLEY PUMP MODULE SYSTEM - Twin 450 LPH

    Drive the vehicle until the level in the...

    Part TypeFuel Pump Module Assembly
    £799.00£704.99 inc VAT
    £587.49 ex VAT
  • ✓ In Stock
    Photo - out of package
    Holley 12-364

    HOLLEY PUMP MODULE SYSTEM - TWIN 340 LPH

    Drive the vehicle until the level in the...

    Part TypeFuel Pump Module Assembly
    £716.99£631.99 inc VAT
    £526.66 ex VAT
  • ✓ In Stock
    Photo - out of package
    Holley 12-363

    HOLLEY PUMP MODULE SYSTEM - Single 450 LPH

    Drive the vehicle until the level in the...

    Part TypeFuel Pump Module Assembly
    £599.99£529.00 inc VAT
    £440.83 ex VAT
  • Sold out
    Out of Stock
    Photo - Primary
    Holley 12-362

    HOLLEY PUMP MODULE SYSTEM - Single 340 LPH

    Drive the vehicle until the level in the...

    Part TypeFuel Pump Module Assembly
    £562.99£496.99 inc VAT
    £414.16 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 12-351

    HOLLEY DUAL 450 LPH PUMP MODULE SYSTEM

    2010-2015 Camaro Dual 450 LPH Pump Module

    Part TypeFuel Pump Module Assembly
    £1,381.00£1,300.99 inc VAT
    £1,084.16 ex VAT
  • ✓ In Stock
    Photo - out of package
    Holley 12-350

    HOLLEY DUAL 340 LPH PUMP MODULE SYSTEM

    2010-2015 Camaro Dual 340 LPH Pump Module

    Part TypeFuel Pump Module Assembly
    £1,022.99£964.00 inc VAT
    £803.33 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 12-327-20

    170+ GPH Mechanical Fuel Pump

    Street/Strip Carbureted Applications Fits Small Block Chevy V8s...

    Part TypeMechanical Fuel Pump
    £247.99£232.99 inc VAT
    £194.16 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 12-327-13

    130+ GPH Mechanical Fuel Pump

    Street/Strip Carbureted Applications Fits Small Block Chevy V8s...

    Part TypeMechanical Fuel Pump
    £202.00 inc VAT
    £168.33 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.