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Sniper EFI
Sniper EFI UK – Electronic Fuel Injection Conversion Systems Sniper EFI, a division of Holley, brings modern fuel injection technology to classic carburetted engines. Designed for easy installation and reliable performance, Sniper EFI systems are one of the most popular...
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Holley Sniper EFI 550-510-5px-sbf
SNIPER 2 5" PDM KIT, POLISHED, 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 550-510-5px-sbc
SNIPER 2 5" PDM KIT, POLISHED, SBC 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 550-510-5px
SNIPER 2 PDM 5" TSLCD, POLISHED - Holley Sniper 2 EFI - Polished
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 550-510-5pr
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 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 550-510-5pd
SNIPER 2 PDM 5" RETURNLESS 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 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 550-510-5ae
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 550-510-3xx
SNIPER 2 EFI KIT - POLISHED - Holley Sniper 2 EFI - Polished
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 550-510-3xr
SNIPER 2 RETURN RETROFIT KIT, POLISHED - Holley Sniper 2 EFI - Polished
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 550-510-3xk
SNIPER 2 EXTERNAL MASTER KIT, POLISHED - Holley Sniper 2 EFI - Polished
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 550-510-3xd
SNIPER 2 RETURNLESS RETROFIT, POLISHED - Holley Sniper 2 EFI - Polished
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 550-510-3px
SNIPER 2 PDM KIT, POLISHED - Holley Sniper 2 EFI - Polished
Nitrous Control Not Supported In Sniper 2 EFI...
Part TypeFuel Injection Conversion Kit£1,534.99£1,444.99 inc VAT£1,204.16 ex VAT -
Holley Sniper EFI 550-510-3pr
SNIPER 2 PDM 3.5" RETURN KIT POLISHED - Holley Sniper 2 EFI - Polished
Return Style Drop-In Module - With PDM -...
Part TypeFuel Injection Conversion Kit£2,148.98£1,987.00 inc VAT£1,655.83 ex VAT -
Holley Sniper EFI 550-510-3pk
SNIPER 2 PDM FUEL MASTER KIT, POLISHED - Holley Sniper 2 EFI - Polished
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 550-510-3pd
SNIPER 2 PDM 3.5 RETURNLESS KIT POLISHED - Holley Sniper 2 EFI - Polished
Returnless Style Drop-In Module - With PDM -...
Part TypeFuel Injection Conversion Kit£2,148.98£1,987.00 inc VAT£1,655.83 ex VAT -
Holley Sniper EFI 550-510-3ax
SNIPER 2 UPGRADE KIT - POLISHED - Holley Sniper 2 EFI - Polished
Base Sniper 1 to Sniper 2 Upgrade Kit
Part TypeFuel Injection Conversion Kit£1,228.00£1,144.00 inc VAT£953.33 ex VAT -
Holley Sniper EFI 550-510-3ae
SNIPER 2 UPGRADE KIT W/REG - POLISHED - Holley Sniper 2 EFI - Polished
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 543-123
IDLE AIR PLUG - Sniper EFI IAC Plug
Designed for applications that use the Chrysler IAC,...
Part TypeFuel Injection Idle Air Part£38.99 inc VAT£32.49 ex VAT -
Holley Sniper EFI 543-122
SNIPER EFI IAC ADAPTER - Sniper EFI Remote IAC Kit
IAC Motor is not included.
Part TypeFuel Injection Idle Air Control Valve Kit£176.99 inc VAT£147.49 ex VAT -
Holley Sniper EFI 36-475
SNIPER EFI DECAL - Sniper EFI Decal
5" L x 1.5" W Decal
Part TypeMulti-Purpose Decal£5.99 inc VAT£4.99 ex VAT -
Holley Sniper EFI 36-427
DECAL, SNIPER EFI ECU DECAL - Sniper EFI Decal
CLEARANCE ITEM / ALL SALES FINAL
Part TypeMulti-Purpose Decal£5.99£4.00 inc VAT£3.33 ex VAT -
Holley Sniper EFI 20-43
SNIPER EFI 2X4 LINKAGE KIT - 4150 - Sniper EFI 2x4 Linkage Kit - 4150
Throttle Linkage for Sniper EFI Systems.
Part TypeThrottle Linkage£101.99 inc VAT£84.99 ex VAT -
Holley Sniper EFI 20-16
SNIPER EFI THROTTLE LEVER EXTENSION - Sniper EFI Throttle Lever Extension
Not applicable on Sniper 2.
Part TypeThrottle Lever£22.00 inc VAT£18.33 ex VAT -
Holley Sniper EFI 19-592
1981-1993 DODGE D-SERIES FUEL TANK - Holley Sniper EFI Fuel Tank - Dodge D-Series Trucks
Use optional adapter part # 870022 for 1981-1993...
Part TypeFuel Tank£386.99£385.99 inc VAT£321.66 ex VAT
Sniper EFI UK – Electronic Fuel Injection Conversion Systems
Sniper EFI, a division of Holley, brings modern fuel injection technology to classic carburetted engines. Designed for easy installation and reliable performance, Sniper EFI systems are one of the most popular upgrades for hot rods, muscle cars, and classic vehicles looking for improved drivability and efficiency.
Why Sniper EFI?
- Carburetor Replacement: Bolts in place of a 4-barrel carb for modern EFI reliability.
- Self-Tuning Technology: Learns and adapts to your engine as you drive.
- Improved Performance: Better cold starts, throttle response, and fuel efficiency.
Popular Sniper EFI Products
- Sniper 4150 EFI Conversion Kits
- Sniper Stealth EFI Systems
- Sniper EFI Fuel Pumps & Regulators
- Complete EFI Master Kits
Sniper EFI in the UK
Billy’s Speed Shop brings Sniper EFI kits to the UK, helping enthusiasts modernise their classic builds without losing vintage character. Whether you’re running a small-block Chevy, a Ford V8, or a custom engine, Sniper EFI offers the perfect balance of heritage and technology.
Upgrade your fuelling with Sniper EFI UK systems – available today at Billy’s Speed Shop.



