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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 12-840kit
Holley Billet Bypass Fuel Pressure Regulator Kit
4.5-9 Psi - Fittings and Gauge Included
Part TypeFuel Pressure Regulator£358.99£337.99 inc VAT£281.66 ex VAT -
Holley 12-840
HP Billet Carbureted Fuel Pressure Regulator
Regulator is compatible with Diesel #1 and Diesel...
Part TypeFuel Pressure Regulator£163.00£148.00 inc VAT£123.33 ex VAT -
Holley 12-835
80 GPH Mechanical Fuel Pump
Street Performance Carbureted Applications Fits Big Block Chevy...
Part TypeMechanical Fuel Pump£157.00 inc VAT£130.83 ex VAT -
Holley 12-834
80 GPH Mechanical Fuel Pump
Street Performance Carbureted Applications Fits Small Block Chevy...
Part TypeMechanical Fuel Pump£157.00 inc VAT£130.83 ex VAT -
Holley 12-833
80 GPH Mechanical Fuel Pump
Street Performance Carbureted Applications Fits Ford 289/302/351W V8s...
Part TypeMechanical Fuel Pump£152.99 inc VAT£127.49 ex VAT -
Holley 12-828
Regulator Rebuild Kit
Fits 12-879 and 12-880 Fuel Pressure Regulators
Part TypeFuel Pressure Regulator Service Kit£65.99£61.99 inc VAT£51.66 ex VAT -
Holley 12-827
Regulator Rebuild Kit
Fits 12-848, and 12848ERL Fuel Pressure Regulators
Part TypeFuel Pressure Regulator Service Kit£61.99£59.99 inc VAT£49.99 ex VAT -
Holley 12-826
Regulator Rebuild Kit
Fits 12-846, and 12846ERL Fuel Pressure Regulators
Part TypeFuel Pressure Regulator Service Kit£59.99£58.00 inc VAT£48.33 ex VAT -
Holley 12-824
Regulator Rebuild Kit
Fits 12-843 Fuel Pressure Regulators
Part TypeFuel Pressure Regulator Service Kit£52.00£47.99 inc VAT£39.99 ex VAT -
Holley 12-823
Regulator Rebuild Kit
Fits 12-841,12-842, 12-881, and 12-887 Fuel Pressure Regulators
Part TypeFuel Pressure Regulator Service Kit£47.99£44.99 inc VAT£37.49 ex VAT -
Holley 12-822
Regulator Rebuild Kit
Fits 12-840 Fuel Pressure Regulators
Part TypeFuel Pressure Regulator Service Kit£52.00£47.99 inc VAT£39.99 ex VAT -
Holley 12-821
Gerotor Replacement Kit
Contaminants or normal wear of your pump's gerotor...
Part TypeElectric Fuel Pump Repair Kit£175.00£155.99 inc VAT£129.99 ex VAT -
Holley 12-820
Fuel Pump Check Valve Kit
Forgot to install a fuel filter between the...
Part TypeFuel Pump Check Valve£52.00£47.99 inc VAT£39.99 ex VAT -
Holley 12-818
Regulator Diaphragm Repair Kit
Fits Holley 12-803BP Fuel Pressure Regulator
Part TypeFuel Pressure Regulator Service Kit£58.99£55.00 inc VAT£45.83 ex VAT -
Holley 12-816
Fuel Pump Check Valve Kit
Fits Holley 12-815-1 "Black" Electric Fuel Pump
Part TypeFuel Pump Check Valve£76.00£70.99 inc VAT£59.16 ex VAT -
Holley 12-815-1
140 GPH Black® Electric Fuel Pump
Should be mounted below the fuel level of...
Part TypeElectric Fuel Pump£319.99£301.00 inc VAT£250.83 ex VAT -
Holley 12-814
Mechanical Fuel Pump Mounting Pad Cover
Fits Small Block Chevrolet
Part TypeFuel Pump Block-Off Plate£31.00£28.99 inc VAT£24.16 ex VAT -
Holley 12-813
Mechanical Fuel Pump Mounting Pad Cover
Fits Small and Big Block Chrysler, Small and...
Part TypeFuel Pump Block-Off Plate£22.99£20.99 inc VAT£17.49 ex VAT -
Holley 12-812-1
110 GPH "Blue" Electric Pump Without Regulator
Should be mounted below the fuel level of...
Part TypeElectric Fuel Pump£247.99£232.99 inc VAT£194.16 ex VAT -
Holley 12-811
Fuel Pump Rotor And Vane Kit
Fits Holley 12-801-1 "Red," 12-802-1/12-812-1 "Blue," and 12-815-1...
Part TypeElectric Fuel Pump Repair Kit£41.99£38.99 inc VAT£32.49 ex VAT -
Holley 12-807
Regulator Diaphragm Repair Kit
Fits Holley 12-803 and 12-804 Fuel Pressure Regulators
Part TypeFuel Pressure Regulator Service Kit£13.00 inc VAT£10.83 ex VAT -
Holley 12-806
Fuel Pump Check Valve Kit
Fits Holley 12-802-1 and 12-812-1 "Blue" Electric Fuel...
Part TypeFuel Pump Check Valve£26.99£25.00 inc VAT£20.83 ex VAT -
Holley 12-805
Fuel Pump Check Valve Kit
Fits Holley 12-801-1 "Red" Electric Fuel Pump
Part TypeFuel Pump Check Valve£29.99£28.00 inc VAT£23.33 ex VAT -
Holley 12-804
Chrome Carbureted Fuel Pressure Regulator
Pre-set at 2.8 PSI ***The inlet pressure limitation...
Part TypeFuel Pressure Regulator£56.99 inc VAT£47.49 ex VAT -
Holley 12-803bp
Carbureted Bypass Fuel Pressure Regulator
The 803BP is designed for use with an...
Part TypeFuel Pressure Regulator£149.99£145.00 inc VAT£120.83 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.



