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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 121-28

    Accelerator Pump Discharge Nozzle

    Nozzle sizes .040" and larger include a hollow...

    Part TypeCarburetor Accelerator Pump Nozzle
    £47.99 inc VAT
    £39.99 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 121-25

    Accelerator Pump Discharge Nozzle

    Nozzle sizes .040" and larger include a hollow...

    Part TypeCarburetor Accelerator Pump Nozzle
    £47.99 inc VAT
    £39.99 ex VAT
  • Sold out
    Out of Stock
    Photo - out of package
    Holley 12-125

    125 GPH HP Fuel Pump

    Should be mounted below the fuel level of...

    Part TypeElectric Fuel Pump
    £479.99£478.99 inc VAT
    £399.16 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 12-1200-2

    130 GPH Dominator In-Line Billet Fuel Pump (Dual Inlet)

    These pumps do not have an internal bypass....

    Part TypeElectric Fuel Pump
    £625.99£514.99 inc VAT
    £429.16 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 12-1200

    130 GPH Dominator In-Line Billet Fuel Pump

    These pumps do not have an internal bypass....

    Part TypeElectric Fuel Pump
    £599.99£493.00 inc VAT
    £410.83 ex VAT
  • Sold out
    Out of Stock
    Photo - Primary
    Holley 121-150

    Accelerator Pump Discharge Nozzle

    Two Accelerator Pump Discharge Nozzles 0.050 in. Hole...

    Part TypeCarburetor Accelerator Pump Nozzle
    £29.99 inc VAT
    £24.99 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 121-145

    Accelerator Pump Discharge Nozzle

    Two Accelerator Pump Discharge Nozzles 0.045 in. Hole...

    Part TypeCarburetor Accelerator Pump Nozzle
    £29.99 inc VAT
    £24.99 ex VAT
  • Sold out
    Out of Stock
    Photo - Primary
    Holley 121-142

    Accelerator Pump Discharge Nozzle

    Two Accelerator Pump Discharge Nozzles 0.042 in. Hole...

    Part TypeCarburetor Accelerator Pump Nozzle
    £28.99 inc VAT
    £24.16 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 121-140

    Accelerator Pump Discharge Nozzle

    Two Accelerator Pump Discharge Nozzles 0.040 in. Hole...

    Part TypeCarburetor Accelerator Pump Nozzle
    £26.99 inc VAT
    £22.49 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 121-137

    Accelerator Pump Discharge Nozzle

    Nozzle sizes .040" and larger include a hollow...

    Part TypeCarburetor Accelerator Pump Nozzle
    £26.99 inc VAT
    £22.49 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 121-135

    Accelerator Pump Discharge Nozzle

    Nozzle sizes .040" and larger include a hollow...

    Part TypeCarburetor Accelerator Pump Nozzle
    £26.99 inc VAT
    £22.49 ex VAT
  • Sold out
    Out of Stock
    Photo - Primary
    Holley 121-132

    Accelerator Pump Discharge Nozzle

    Nozzle sizes .040" and larger include a hollow...

    Part TypeCarburetor Accelerator Pump Nozzle
    £29.99 inc VAT
    £24.99 ex VAT
  • Sold out
    Out of Stock
    Photo - Primary
    Holley 121-131

    Accelerator Pump Discharge Nozzle

    Nozzle sizes .040" and larger include a hollow...

    Part TypeCarburetor Accelerator Pump Nozzle
    £29.99 inc VAT
    £24.99 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 121-128

    Accelerator Pump Discharge Nozzle

    Nozzle sizes .040" and larger include a hollow...

    Part TypeCarburetor Accelerator Pump Nozzle
    £29.99 inc VAT
    £24.99 ex VAT
  • Sold out
    Out of Stock
    Photo - Primary
    Holley 121-125

    Accelerator Pump Discharge Nozzle

    Nozzle sizes .040" and larger include a hollow...

    Part TypeCarburetor Accelerator Pump Nozzle
    £29.99 inc VAT
    £24.99 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 121-121

    Accelerator Pump Discharge Nozzle

    Nozzle sizes .040" and larger include a hollow...

    Part TypeCarburetor Accelerator Pump Nozzle
    £29.99 inc VAT
    £24.99 ex VAT
  • ✓ In Stock
    Photo - Primary
    Holley 121-118

    Accelerator Pump Discharge Nozzle

    Nozzle sizes .040" and larger include a hollow...

    Part TypeCarburetor Accelerator Pump Nozzle
    £29.99 inc VAT
    £24.99 ex VAT
  • Sold out
    Out of Stock
    Photo - out of package
    Holley 12-1009

    HOLLEY IN-LINE FUEL PULSE DAMPER

    FUEL PULSE DAMPER, 8AN, EXTENDED RANGE 40-100 PSI

    Part TypeFuel Injection Pressure Damper
    £169.00 inc VAT
    £140.83 ex VAT
  • Sold out
    Out of Stock
    Photo - out of package
    Holley 12-1008

    HOLLEY IN-LINE FUEL PULSE DAMPER

    FUEL PULSE DAMPER, 6AN, EXTENDED RANGE 40-100 PSI

    Part TypeFuel Injection Pressure Damper
    £169.00 inc VAT
    £140.83 ex VAT
  • ✓ In Stock
    Photo - out of package
    Holley 12-1007

    HOLLEY IN-LINE FUEL PULSE DAMPER

    FUEL PULSE DAMPER, 8AN, STANDARD RANGE 40-70 PSI

    Part TypeFuel Injection Pressure Damper
    £157.00 inc VAT
    £130.83 ex VAT
  • ✓ In Stock
    Photo - out of package
    Holley 12-1006

    HOLLEY IN-LINE FUEL PULSE DAMPER

    FUEL PULSE DAMPER, 6AN, STANDARD RANGE 40-70 PSI

    Part TypeFuel Injection Pressure Damper
    £157.00 inc VAT
    £130.83 ex VAT
  • Sold out
    Out of Stock
    Photo - out of package
    Holley 12-1005

    HOLLEY DIRECT MOUNT FUEL PULSE DAMPER

    FUEL PULSE DAMPER, 8AN, EXTENDED RANGE 40-100 PSI

    Part TypeFuel Injection Pressure Damper
    £134.99 inc VAT
    £112.49 ex VAT
  • ✓ In Stock
    Photo - out of package
    Holley 12-1004

    HOLLEY DIRECT MOUNT FUEL PULSE DAMPER

    FUEL PULSE DAMPER, 6AN, EXTENDED RANGE 40-100 PSI

    Part TypeFuel Injection Pressure Damper
    £134.99 inc VAT
    £112.49 ex VAT
  • ✓ In Stock
    Photo - out of package
    Holley 12-1003

    HOLLEY DIRECT MOUNT FUEL PULSE DAMPER

    FUEL PULSE DAMPER, 8AN, STANDARD RANGE 40-70 PSI

    Part TypeFuel Injection Pressure Damper
    £124.00 inc VAT
    £103.33 ex VAT
  • Sold out
    Out of Stock
    Photo - out of package
    Holley 12-1002

    HOLLEY DIRECT MOUNT FUEL PULSE DAMPER

    FUEL PULSE DAMPER, 6AN, STANDARD RANGE 40-70 PSI

    Part TypeFuel Injection Pressure Damper
    £124.00 inc VAT
    £103.33 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.