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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 126-47-10
Replaceable Air Bleed - Size 47
Fits All Holley Model 4150 HP™ & 4500...
Part TypeCarburetor Air Bleed Tuning Kit£31.00£28.99 inc VAT£24.16 ex VAT -
Holley 126-45-10
Replaceable Air Bleed - Size 45
Fits All Holley Model 4150 HP™ & 4500...
Part TypeCarburetor Air Bleed Tuning Kit£31.00£28.99 inc VAT£24.16 ex VAT -
Holley 126-43-10
Replaceable Air Bleed - Size 43
Fits All Holley Model 4150 HP™ & 4500...
Part TypeCarburetor Air Bleed Tuning Kit£31.00£28.99 inc VAT£24.16 ex VAT -
Holley 126-40-10
Replaceable Air Bleed - Size 40
Fits All Holley Model 4150 HP™ & 4500...
Part TypeCarburetor Air Bleed Tuning Kit£31.00£28.99 inc VAT£24.16 ex VAT -
Holley 126-36-10
Replaceable Air Bleed - Size 36
Fits All Holley Model 4150 HP™ & 4500...
Part TypeCarburetor Air Bleed Tuning Kit£31.00£28.99 inc VAT£24.16 ex VAT -
Holley 126-35-10
Replaceable Air Bleed - Size 35
Fits All Holley Model 4150 HP™ & 4500...
Part TypeCarburetor Air Bleed Tuning Kit£31.00£28.99 inc VAT£24.16 ex VAT -
Holley 126-34-10
Replaceable Air Bleed - Size 34
Fits All Holley Model 4150 HP™ & 4500...
Part TypeCarburetor Air Bleed Tuning Kit£31.00£28.99 inc VAT£24.16 ex VAT -
Holley 126-33-10
Replaceable Air Bleed - Size 33
Fits All Holley Model 4150 HP™ & 4500...
Part TypeCarburetor Air Bleed Tuning Kit£31.00£28.99 inc VAT£24.16 ex VAT -
Holley 126-32-10
Replaceable Air Bleed - Size 32
Fits All Holley Model 4150 HP™ & 4500...
Part TypeCarburetor Air Bleed Tuning Kit£31.00£28.99 inc VAT£24.16 ex VAT -
Holley 126-31-10
Replaceable Air Bleed - Size 31
Fits All Holley Model 4150 HP™ & 4500...
Part TypeCarburetor Air Bleed Tuning Kit£28.99£28.00 inc VAT£23.33 ex VAT -
Holley 126-30-10
Replaceable Air Bleed - Size 30
Fits All Holley Model 4150 HP™ & 4500...
Part TypeCarburetor Air Bleed Tuning Kit£31.00£28.99 inc VAT£24.16 ex VAT -
Holley 126-29-10
Replaceable Air Bleed - Size 29
Fits All Holley Model 4150 HP™ & 4500...
Part TypeCarburetor Air Bleed Tuning Kit£31.00£28.99 inc VAT£24.16 ex VAT -
Holley 126-28-10
Replaceable Air Bleed - Size 28
Fits All Holley Model 4150 HP™ & 4500...
Part TypeCarburetor Air Bleed Tuning Kit£31.00£28.99 inc VAT£24.16 ex VAT -
Holley 126-26-10
Replaceable Air Bleed - Size 26
Fits All Holley Model 4150 HP™ & 4500...
Part TypeCarburetor Air Bleed Tuning Kit£31.00£28.99 inc VAT£24.16 ex VAT -
Holley 126-25-10
Replaceable Air Bleed - Size 25
Fits All Holley Model 4150 HP™ & 4500...
Part TypeCarburetor Air Bleed Tuning Kit£31.00£28.99 inc VAT£24.16 ex VAT -
Holley 126-24-10
Replaceable Air Bleed - Size 24
Fits All Holley Model 4150 HP™ & 4500...
Part TypeCarburetor Air Bleed Tuning Kit£31.00£28.99 inc VAT£24.16 ex VAT -
Holley 126-23-10
Replaceable Air Bleed - Size 23
Fits All Holley Model 4150 HP™ & 4500...
Part TypeCarburetor Air Bleed Tuning Kit£31.00£28.99 inc VAT£24.16 ex VAT -
Holley 12-600
65 GPH HP In-line Fuel Pump
These pumps do not have an internal bypass....
Part TypeElectric Fuel Pump£490.00£403.99 inc VAT£336.66 ex VAT -
Holley 125-95
Single-Stage Power Valve
Single-Stage Power Valve Standard Flow 9.5 in. Hg
Part TypeCarburetor Power Valve£22.00£19.99 inc VAT£16.66 ex VAT -
Holley 125-75
Single-Stage Power Valve
Single-Stage Power Valve Standard Flow 7.5 in. Hg
Part TypeCarburetor Power Valve£19.99£17.99 inc VAT£14.99 ex VAT -
Holley 125-55
Single-Stage Power Valve
Single-Stage Power Valve Standard Flow 5.5 in. Hg
Part TypeCarburetor Power Valve£19.99£19.00 inc VAT£15.83 ex VAT -
Holley 125-500
Power Valve Check Ball Kit
Power Valve Check Ball Kit
Part TypeCarburetor Power Valve Protector£34.99£32.99 inc VAT£27.49 ex VAT -
Holley 125-50
Single-Stage Power Valve
Single-Stage Power Valve Standard Flow 5.0 in. High
Part TypeCarburetor Power Valve£22.00£19.99 inc VAT£16.66 ex VAT -
Holley 125-45
Single-Stage Power Valve
Single-Stage Power Valve Standard Flow 4.5 in. Hg
Part TypeCarburetor Power Valve£19.00£16.99 inc VAT£14.16 ex VAT -
Holley 125-35
Single-Stage Power Valve
Single-Stage Power Valve Standard Flow 3.5 in. Hg
Part TypeCarburetor Power Valve£19.00£16.99 inc VAT£14.16 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.



