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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 122-56
Carburetor Standard Main Jet
NOT FOR USE WITH CARBURETORS ORIGINALY DESIGNED FOR...
Part TypeCarburetor Metering Jet£16.00£14.99 inc VAT£12.49 ex VAT -
Holley 122-55
Carburetor Standard Main Jet
NOT FOR USE WITH CARBURETORS ORIGINALY DESIGNED FOR...
Part TypeCarburetor Metering Jet£16.00£14.99 inc VAT£12.49 ex VAT -
Holley 122-54
Carburetor Standard Main Jet
NOT FOR USE WITH CARBURETORS ORIGINALY DESIGNED FOR...
Part TypeCarburetor Metering Jet£16.00£14.99 inc VAT£12.49 ex VAT -
Holley 122-53
Carburetor Standard Main Jet
NOT FOR USE WITH CARBURETORS ORIGINALY DESIGNED FOR...
Part TypeCarburetor Metering Jet£16.00£14.99 inc VAT£12.49 ex VAT -
Holley 122-52
Carburetor Standard Main Jet
NOT FOR USE WITH CARBURETORS ORIGINALY DESIGNED FOR...
Part TypeCarburetor Metering Jet£16.00£14.99 inc VAT£12.49 ex VAT -
Holley 122-51
Carburetor Standard Main Jet
NOT FOR USE WITH CARBURETORS ORIGINALY DESIGNED FOR...
Part TypeCarburetor Metering Jet£16.00£14.99 inc VAT£12.49 ex VAT -
Holley 122-5002
Holley XP Fuel Bowl Jet Extension Kit
THE 122-5002 JET EXTENSION KIT IS DESIGNED FOR...
Part TypeCarburetor Metering Jet Extension Kit£35.99£34.00 inc VAT£28.33 ex VAT -
Holley 122-5000
Main Jet Extension
Requires the use of special "notched" float to...
Part TypeCarburetor Metering Jet Extension Kit£19.00£17.99 inc VAT£14.99 ex VAT -
Holley 122-50
Carburetor Standard Main Jet
NOT FOR USE WITH CARBURETORS ORIGINALY DESIGNED FOR...
Part TypeCarburetor Metering Jet£16.00£14.99 inc VAT£12.49 ex VAT -
Holley 122-49
Carburetor Standard Main Jet
NOT FOR USE WITH CARBURETORS ORIGINALY DESIGNED FOR...
Part TypeCarburetor Metering Jet£16.00£14.99 inc VAT£12.49 ex VAT -
Holley 122-48
Carburetor Standard Main Jet
NOT FOR USE WITH CARBURETORS ORIGINALY DESIGNED FOR...
Part TypeCarburetor Metering Jet£16.00£14.99 inc VAT£12.49 ex VAT -
Holley 122-47
Carburetor Standard Main Jet
NOT FOR USE WITH CARBURETORS ORIGINALY DESIGNED FOR...
Part TypeCarburetor Metering Jet£16.00£14.99 inc VAT£12.49 ex VAT -
Holley 122-46
Carburetor Standard Main Jet
NOT FOR USE WITH CARBURETORS ORIGINALY DESIGNED FOR...
Part TypeCarburetor Metering Jet£16.00£14.99 inc VAT£12.49 ex VAT -
Holley 122-40
Carburetor Standard Main Jet
NOT FOR USE WITH CARBURETORS ORIGINALY DESIGNED FOR...
Part TypeCarburetor Metering Jet£16.00£14.99 inc VAT£12.49 ex VAT -
Holley 122-260
Jet Assortment Kit w/Billet Plate 90-99
90-99 JETS
Part TypeCarburetor Metering Jet Kit£76.00£74.99 inc VAT£62.49 ex VAT -
Holley 122-250
Jet Assortment Kit w/Billet Plate 80-89
80-89 JETS
Part TypeCarburetor Metering Jet Kit£76.00 inc VAT£63.33 ex VAT -
Holley 122-240
Jet Assortment Kit w/Billet Plate 70-79
70-79 JETS
Part TypeCarburetor Metering Jet Kit£76.99 inc VAT£64.16 ex VAT -
Holley 122-220
Jet Assortment Billet Plate Only
Black Billet Jet Holder Plate
Part TypeCarburetor Metering Jet Kit£62.99 inc VAT£52.49 ex VAT -
Holley 122-200
Alcohol Jet
Fits Holley Model 4150 HP™ and 4500 Dominator®...
Part TypeCarburetor Metering Jet£25.00£22.99 inc VAT£19.16 ex VAT -
Holley 122-196
Alcohol Jet
Fits Holley Model 4150 HP™ and 4500 Dominator®...
Part TypeCarburetor Metering Jet£25.00£22.99 inc VAT£19.16 ex VAT -
Holley 122-192
Alcohol Jet
Fits Holley Model 4150 HP™ and 4500 Dominator®...
Part TypeCarburetor Metering Jet£25.00£22.99 inc VAT£19.16 ex VAT -
Holley 122-188
Alcohol Jet
Fits Holley Model 4150 HP™ and 4500 Dominator®...
Part TypeCarburetor Metering Jet£25.00£22.99 inc VAT£19.16 ex VAT -
Holley 122-180
Alcohol Jet
Fits Holley Model 4150 HP™ and 4500 Dominator®...
Part TypeCarburetor Metering Jet£25.00£22.99 inc VAT£19.16 ex VAT -
Holley 122-176
Alcohol Jet
Fits Holley Model 4150 HP™ and 4500 Dominator®...
Part TypeCarburetor Metering Jet£25.00£22.99 inc VAT£19.16 ex VAT -
Holley 122-172
Alcohol Jet
Fits Holley Model 4150 HP™ and 4500 Dominator®...
Part TypeCarburetor Metering Jet£25.00£22.99 inc VAT£19.16 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.



