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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 Sniper EFI 550-511-bxd
SNIPER 2 BLE RETURNLESS KIT, BLACK - Holley Sniper 2 EFI - Black
Nitrous Control Not Supported In Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£1,943.99£1,805.99 inc VAT£1,504.99 ex VAT -
Holley Sniper EFI 550-511-bpk-sbf
SNIPER 2 BLE PDM MSTR KIT, BLK, SBF IGN - Sniper 2 EFI Bundle with HyperSpark Ignition System
Nitrous Control not supported in Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£2,454.98£2,257.99 inc VAT£1,881.66 ex VAT -
Holley Sniper EFI 550-511-5xr
SNIPER 2 BLACK 5" RETURN RETROFIT - Holley Sniper 2 EFI - Black
Nitrous Control Not Supported In Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£2,199.98£2,032.00 inc VAT£1,693.33 ex VAT -
Holley Sniper EFI 550-511-5xk
SNIPER 2 BLACK 5" EXTERNAL MASTER KIT - Holley Sniper 2 EFI - Black
Nitrous Control Not Supported In Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£1,994.99£1,850.99 inc VAT£1,542.49 ex VAT -
Holley Sniper EFI 550-511-bxk
SNIPER 2 BLE MASTER KIT, BLACK - Holley Sniper 2 EFI - Black
Nitrous Control Not Supported In Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£1,739.99£1,625.99 inc VAT£1,354.99 ex VAT -
Holley Sniper EFI 550-511-5pr
SNIPER 2 PDM 5" RETURN KIT BLACK - Holley Sniper 2 EFI - Black
Nitrous Control Not Supported In Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£2,301.98£2,121.98 inc VAT£1,768.32 ex VAT -
Holley Sniper EFI 550-511-bpx-sbf
SNIPER 2 BLE PDM KIT, BLACK, SBF IGN - Sniper 2 EFI Bundle with HyperSpark Ignition System
Nitrous Control not supported in Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£2,045.99£1,897.00 inc VAT£1,580.83 ex VAT -
Holley Sniper EFI 550-511-5xx
SNIPER 2 BLACK 5" TSLCD KIT - Holley Sniper 2 EFI - Black
Nitrous Control Not Supported In Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£1,585.99£1,489.99 inc VAT£1,241.66 ex VAT -
Holley Sniper EFI 550-511-3ae
SNIPER 2 UPGRADE KIT W/REG - BLACK - Holley Sniper 2 EFI - Black
Sniper 1 to Sniper 2 Upgrade kit with...
Part TypeFuel Injection Conversion Kit£1,330.00£1,235.99 inc VAT£1,029.99 ex VAT -
Holley Sniper EFI 550-511-bpk-sbc
SNIPER 2 BLE PDM MSTR KIT, BLK, SBC IGN - Sniper 2 EFI Bundle with HyperSpark Ignition System
Nitrous Control not supported in Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£2,454.98£2,257.99 inc VAT£1,881.66 ex VAT -
Holley Sniper EFI 550-511-5px-sbf
SNIPER 2 5" PDM KIT, BLACK, SBF IGN - Sniper 2 EFI Bundle with HyperSpark Ignition System
Nitrous Control not supported in Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£2,249.99£2,076.98 inc VAT£1,730.82 ex VAT -
Holley Sniper EFI 550-511-5ae
SNIPER 2 UPGRADE 5" W/REG, BLACK - Holley Sniper 2 EFI Upgrade 5'' Kit w/ Regulator - Black
Complete Sniper 2 Upgrade Kit with Fuel System...
Part TypeFuel Injection Conversion Kit£1,483.99£1,372.99 inc VAT£1,144.16 ex VAT -
Holley Sniper EFI 551-100
TRANSMISSION CONTROLLER, SERVICE UNIT - Sniper Transmission Controller - Service Unit
Replacement/service unit only, handheld is not included but...
Part TypeAutomatic Transmission Control Module£523.99£403.99 inc VAT£336.66 ex VAT -
Holley Sniper EFI 550-511-bxr
SNIPER 2 BLE RETURN KIT, BLACK - Holley Sniper 2 EFI - Black
Nitrous Control Not Supported In Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£1,943.99£1,805.99 inc VAT£1,504.99 ex VAT -
Holley Sniper EFI 550-511-bpk
SNIPER 2 BLE PDM MASTER KIT, BLACK - Holley Sniper 2 EFI - Black
Nitrous Control Not Supported In Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£1,840.99£1,715.99 inc VAT£1,429.99 ex VAT -
Holley Sniper EFI 550-511-3pr
SNIPER 2 PDM 3.5" RETURN KIT BLACK - Holley Sniper 2 EFI - Black
Nitrous Control Not Supported In Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£2,148.98£1,987.00 inc VAT£1,655.83 ex VAT -
Holley Sniper EFI 550-511-bax
SNIPER 2 UPGRADE BLE, BLACK - Holley Sniper 2 EFI Upgrade Bluetooth Module Kit - Black
Sniper 2 Upgrade kit With Bluetooth Module -...
Part TypeFuel Injection Conversion Kit£1,049.99£1,006.99 inc VAT£839.16 ex VAT -
Holley Sniper EFI 550-510-5ae
SNIPER 2 UPGRADE 5" W/REG, POLISHED - Holley Sniper 2 EFI Upgrade 5'' Kit w/ Regulator - Polished
Sniper 2 EFI Upgrade 5-inch Kit w/ Regulator...
Part TypeFuel Injection Conversion Kit£1,483.99£1,372.99 inc VAT£1,144.16 ex VAT -
Holley Sniper EFI 550-511-5px
SNIPER 2 PDM 5" TSLCD, BLACK - Holley Sniper 2 EFI - Black
Nitrous Control Not Supported In Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£1,688.99£1,580.99 inc VAT£1,317.49 ex VAT -
Holley Sniper EFI 550-510-bpk-sbf
SNIPER 2 BLE PDM MSTR KIT, POL, SBF IGN - Sniper 2 EFI Bundle with HyperSpark Ignition System
Nitrous Control not supported in Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£2,454.98£2,257.99 inc VAT£1,881.66 ex VAT -
Holley Sniper EFI 550-510-5ax
SNIPER 2 UPGRADE 5", POLISHED - Holley Sniper 2 EFI Upgrade 5" Kit - Polished
Sniper 2 Upgrade kit With 5-inch Dash
Part TypeFuel Injection Conversion Kit£1,381.00£1,280.99 inc VAT£1,067.49 ex VAT -
Holley Sniper EFI 550-510-5pk-sbf
SNIPER 2 5" PDM MSTR KIT, POL, SBF IGN - Sniper 2 EFI Bundle with HyperSpark Ignition System
Nitrous Control not supported in Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£2,669.99£2,482.99 inc VAT£2,069.16 ex VAT -
Holley Sniper EFI 550-511-bpx
SNIPER 2 BLE PDM KIT, BLACK - Holley Sniper 2 EFI - Black
Nitrous Control Not Supported In Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£1,432.00£1,309.99 inc VAT£1,091.66 ex VAT -
Holley Sniper EFI 550-510-bae
SNIPER 2 UPGRADE BLE W/REG, POLISHED - Holley Sniper 2 EFI Upgrade Bluetooth Module Kit w/ Regulator - Polished
Complete Sniper 2 Upgrade Kit with Fuel System...
Part TypeFuel Injection Conversion Kit£1,228.00£1,144.00 inc VAT£953.33 ex VAT -
Holley Sniper EFI 550-510-5pr
SNIPER 2 PDM 5" RETURN KIT POLISHED - Holley Sniper 2 EFI - Polished
Nitrous Control Not Supported In Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£2,301.98£2,121.98 inc VAT£1,768.32 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.



