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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 241-224
LS Oil Fill Cap with Billet Center
The OE Camaro and Corvette accessory brackets may...
Part TypeEngine Oil Filler Cap£47.99 inc VAT£39.99 ex VAT -
Holley 241-213
Universal Valve Cover Breather Cap w/tube
Universal Valve Cover Breather Cap w/Tube
Part TypeEngine Crankcase Breather Cap£43.00 inc VAT£35.83 ex VAT -
Holley 241-212
P.C.V. Grommet
BUNA-N P.C.V. Grommet 3/4 X 1 1/4 OD
Part TypePCV Valve Grommet£13.00 inc VAT£10.83 ex VAT -
Holley 241-209
Universal Valve Cover Breather Cap
Universal Valve Cover Breather Cap w/o Tube
Part TypeEngine Crankcase Breather Cap£29.99 inc VAT£24.99 ex VAT -
Holley 241-199
GEN I COIL SPACERS
Ignition Coil Spacers for Gen I coils -...
Part TypeIgnition Coil Spacer£16.99£10.00 inc VAT£8.33 ex VAT -
Holley 241-198
Replacement Billet Fill Cap
The OE Camaro and Corvette accessory brackets may...
Part TypeEngine Oil Filler Cap£19.99 inc VAT£16.66 ex VAT -
Holley 241-192
Holley 2-Piece Pontiac Style Valve Cover - Gen III/IV LS - Satin Black
The OE Camaro and Corvette accessory brackets may...
Part TypeEngine Valve Cover Set£638.99£533.99 inc VAT£444.99 ex VAT -
Holley 241-190
Holley 2-Piece Pontiac Style Valve Cover - Gen III/IV LS - Natural
NOTICE: Natural finish parts are straight from the...
Part TypeEngine Valve Cover Set£638.99£533.99 inc VAT£444.99 ex VAT -
Holley 241-189
GEN V COIL SPACERS
Ignition Coil Spacers for Gen V coils -...
Part TypeIgnition Coil Spacer£16.99£10.99 inc VAT£9.16 ex VAT -
Holley 241-186
Holley 2-Piece Ford Style Valve Cover - Gen III/IV LS - Polished
The OE Camaro and Corvette accessory brackets may...
Part TypeEngine Valve Cover Set£625.99£523.00 inc VAT£435.83 ex VAT -
Holley 241-185
Holley 2-Piece Ford Style Valve Cover - Gen III/IV LS - Natural
NOTICE: Natural finish parts are straight from the...
Part TypeEngine Valve Cover Set£532.00£445.00 inc VAT£370.83 ex VAT -
Holley 241-184
Holley 2-Piece Finned Valve Cover - Gen III/IV LS - Gloss Red Machined
The OE Camaro and Corvette accessory brackets may...
Part TypeEngine Valve Cover Set£767.99£320.99 inc VAT£267.49 ex VAT -
Holley 241-183
Holley 2-Piece Finned Valve Cover - Gen III/IV LS - Factory Orange Machined
The OE Camaro and Corvette accessory brackets may...
Part TypeEngine Valve Cover Set£665.99£556.00 inc VAT£463.33 ex VAT -
Holley 241-182
Holley 2-Piece Finned Valve Cover - Gen III/IV LS - Satin Black Machined
The OE Camaro and Corvette accessory brackets may...
Part TypeEngine Valve Cover Set£745.00£512.99 inc VAT£427.49 ex VAT -
Holley 241-181
Holley 2-Piece Finned Valve Cover - Gen III/IV LS - Polished
The OE Camaro and Corvette accessory brackets may...
Part TypeEngine Valve Cover Set£920.99£769.99 inc VAT£641.66 ex VAT -
Holley 241-180
Holley 2-Piece Finned Valve Cover - Gen III/IV LS - Natural
NOTICE: Natural finish parts are straight from the...
Part TypeEngine Valve Cover Set£818.99£683.99 inc VAT£569.99 ex VAT -
Holley 241-179
Holley 2-Piece "Chevrolet" Script Valve Cover - Gen III/IV LS - Gloss Red Machined
The OE Camaro and Corvette accessory brackets may...
Part TypeEngine Valve Cover Set£665.99£556.00 inc VAT£463.33 ex VAT -
Holley 241-178
Holley 2-Piece "Chevrolet" Script Valve Cover - Gen III/IV LS - Factory Orange Machined
The OE Camaro and Corvette accessory brackets may...
Part TypeEngine Valve Cover Set£665.99£556.00 inc VAT£463.33 ex VAT -
Holley 241-177
Holley 2-Piece "Chevrolet" Script Valve Cover - Gen III/IV LS - Satin Black Machined
The OE Camaro and Corvette accessory brackets may...
Part TypeEngine Valve Cover Set£665.99£556.00 inc VAT£463.33 ex VAT -
Holley 241-176
Holley 2-Piece "Chevrolet" Script Valve Cover - Gen III/IV LS - Polished
The OE Camaro and Corvette accessory brackets may...
Part TypeEngine Valve Cover Set£767.99£641.99 inc VAT£534.99 ex VAT -
Holley 241-175
Holley 2-Piece "Chevrolet" Script Valve Cover - Gen III/IV LS - Natural
NOTICE: Natural finish parts are straight from the...
Part TypeEngine Valve Cover Set£716.99£598.99 inc VAT£499.16 ex VAT -
Holley 241-174
Holley 2-Piece Vintage Series Valve Cover - Gen III/IV LS - Gloss Red Machined
Overview Chevrolet Gen III/IV LS - Cast Aluminum...
Part TypeEngine Valve Cover Set£0 -
Holley 241-172
Holley 2-Piece Vintage Series Valve Cover - Gen III/IV LS - Satin Black Machined
The OE Camaro and Corvette accessory brackets may...
Part TypeEngine Valve Cover Set£767.99£641.99 inc VAT£534.99 ex VAT -
Holley 241-164
Tall LS Valve Covers - Factory Orange
The OE Camaro and Corvette accessory brackets may...
Part TypeEngine Valve Cover Set£307.99£214.00 inc VAT£178.33 ex VAT -
Holley 241-152
Tall M/T Valve Covers for Big Block Chevy Engines - Satin Black Finish with Machined Fins/Logo
CAUTION: If your engine has non-standard valve train...
Part TypeEngine Valve Cover Set£599.99£427.99 inc VAT£356.66 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.



