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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 EFI 300-679bk
LS3 LORAM MANIFOLD KIT SINGLE INJECTOR - Holley Lo-Ram Manifold Kit Single Injector- Black - GM LS3/L92
Lo-Ram Base Intake Manifold Plenum Top Mounting Flange...
Part TypeEngine Intake Manifold£1,022.99£1,012.00 inc VAT£843.33 ex VAT -
Holley EFI 300-670bk
Holley Lo-Ram Manifold Base and Fuel Rails Single Fuel Injector GM LS3/L93
Manifold base height- 5.67"
Part TypeEngine Intake Manifold£767.99£736.99 inc VAT£614.16 ex VAT -
Holley EFI 300-670
Holley Lo-Ram Manifold Base and Fuel Rails Single Fuel Injector GM LS3/L92
Manifold base height- 5.67"
Part TypeEngine Intake Manifold£682.00£674.99 inc VAT£562.49 ex VAT -
Holley EFI 300-660
Holley Throttle Body Adapter Plate
Adapter from 95mm GM LS Throttle Body Intake...
Part TypeFuel Injection Throttle Body Adapter£109.99 inc VAT£91.66 ex VAT -
Holley EFI 300-658bk
Holley Gen III Hemi Hi-Ram EFI Manifold
Early 2003-2008 5.7L Engines Can Use 300-652 adapters...
Part TypeEngine Intake Manifold£1,585.99£1,252.99 inc VAT£1,044.16 ex VAT -
Holley EFI 300-658
Holley Gen III Hemi Hi-Ram EFI Manifold
Early 2003-2008 5.7L Engines Can Use 300-652 adapters...
Part TypeEngine Intake Manifold£1,381.00£1,300.99 inc VAT£1,084.16 ex VAT -
Holley EFI 300-653bk
Holley Gen III Hemi Hi-Ram EFI Manifold Base
Early 2003-2008 5.7L Engines Can Use 300-652 adapters...
Part TypeEngine Intake Manifold£1,022.99£1,012.00 inc VAT£843.33 ex VAT -
Holley EFI 300-653
Holley Gen III Hemi Hi-Ram EFI Manifold Base
Early 2003-2008 5.7L Engines Can Use 300-652 adapters...
Part TypeEngine Intake Manifold£995.99£964.00 inc VAT£803.33 ex VAT -
Holley EFI 300-652
Holley Intake Manifold Adapter Plates
Adapter Plates for 2003-2008 Gen III Hemi 5.7L...
Part TypeEngine Intake Manifold Adapter Plate£419.99£410.99 inc VAT£342.49 ex VAT -
Holley EFI 300-651bk
Holley Gen III Hemi Hi-Ram EFI Manifold
Early 2003-2008 5.7L Engines Can Use 300-652 adapters...
Part TypeEngine Intake Manifold£1,585.99£1,252.99 inc VAT£1,044.16 ex VAT -
Holley EFI 300-651
Holley Gen III Hemi Hi-Ram EFI Manifold
Early 2003-2008 5.7L Engines Can Use 300-652 adapters...
Part TypeEngine Intake Manifold£1,432.00£1,348.99 inc VAT£1,124.16 ex VAT -
Holley EFI 300-650bk
Holley Gen III Hemi Hi-Ram EFI Manifold - Gen III Hemi EFI for use with 95 mm LS Style Throttle Body
Early 2003-2008 5.7L Engines Can Use 300-652 adapters...
Part TypeEngine Intake Manifold£1,483.99£1,396.99 inc VAT£1,164.16 ex VAT -
Holley EFI 300-650
Holley Gen III Hemi Hi-Ram EFI Manifold - Gen III Hemi EFI for use with 95 mm LS Style Throttle Body
Early 2003-2008 5.7L Engines Can Use 300-652 adapters...
Part TypeEngine Intake Manifold£1,381.00£1,300.99 inc VAT£1,084.16 ex VAT -
Holley EFI 300-630bk
Holley EFI Billet Aluminum LS Front-Feed Lo-Ram 105 mm Throttle Body Adapter
Lo-Ram 105 mm Throttle Body Adapter-Black Finish
Part TypeFuel Injection Throttle Body Adapter£511.99£275.99 inc VAT£229.99 ex VAT -
Holley EFI 300-624bk
KIT INT MANIFOLD LS1 LORAM BLACK - Dual Fuel Injector Lo-Ram EFI Intake Manifold Kit GM LS1/LS2/LS6
Black Finish
Part TypeEngine Intake Manifold£1,330.00£1,204.00 inc VAT£1,003.33 ex VAT -
Holley EFI 300-621bk
Holley Modular Ultra Lo-Ram EFI Manifold LS1/2/6 - Ultra Lo-Ram Manifold Kit - LS1/2/6-Black Finish
Lo-Ram Base Intake Manifold Plenum Top Mounting Flange...
Part TypeEngine Intake Manifold£1,060.00 inc VAT£883.33 ex VAT -
Holley EFI 300-621
Holley Modular Ultra Lo-Ram EFI Manifold LS1/2/6 - Ultra Lo-Ram Manifold Kit - LS1/2/6
Lo-Ram Base Intake Manifold Plenum Top Mounting Flange...
Part TypeEngine Intake Manifold£1,075.00£964.00 inc VAT£803.33 ex VAT -
Holley EFI 300-620bk
KIT INT MANIFOLD LS1 LORAM BLACK - Holley Modular Lo-Ram EFI Manifold LS1/2/6
Lo-Ram Base Intake Manifold Plenum Top Mounting Flange...
Part TypeEngine Intake Manifold£1,153.00£1,030.99 inc VAT£859.16 ex VAT -
Holley EFI 300-608bk
Holley EFI LS Ultra Lo-Ram Billet Burst Panel Duct
The 300-608 & 300-608BK Ultra Lo-Ram billet burst...
Part TypeEngine Intake Manifold Expansion Plug£256.99£250.99 inc VAT£209.16 ex VAT -
Holley EFI 300-600bk
Holley EFI Base Manifold and Rail Kit for Lo-Ram - LS1/LS2/LS6
Black Finish with Single Injector manifold and fuel...
Part TypeEngine Intake Manifold£716.99£674.99 inc VAT£562.49 ex VAT -
Holley EFI 300-564
Holley EFI Intake - Chevy Big Block V8 EFI
Holley EFI Intake Manifold 396, 402, 427, 454,...
Part TypeEngine Intake Manifold£613.99£526.00 inc VAT£438.33 ex VAT -
Holley EFI 300-563
Holley EFI Intake - Chevy Big Block V8 EFI
Holley EFI Intake Manifold 396, 402, 427, 454,...
Part TypeEngine Intake Manifold£650.99£557.99 inc VAT£464.99 ex VAT -
Holley EFI 300-562
Holley EFI Intake - Chevy Big Block V8 EFI
Holley EFI Intake Manifold 396, 402, 427, 454,...
Part TypeEngine Intake Manifold£652.99£559.00 inc VAT£465.83 ex VAT -
Holley EFI 300-561
Holley EFI Intake - Chevy Big Block V8 EFI
Holley EFI Intake Manifold 396, 402, 427, 454,...
Part TypeEngine Intake Manifold£682.00£589.99 inc VAT£491.66 ex VAT -
Holley EFI 300-308bk
MFLD KIT FORD 302W HIRAM 105MM SIDE BK - 8.2" SBF Ford Hi-Ram EFI Manifold with Side Mount Top-Black
*** Please see the diagrams in the product...
Part TypeEngine Intake Manifold£1,381.00£1,219.00 inc VAT£1,015.83 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.



