Holley Sniper EFI 550-510K 4 Barrel Fuel Injection Conversion Master Kit Shiny. Perfect for street rods, muscle cars, off-road trucks or nearly any carbureted vehicle. Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to Sniper EFI and get the tactical accuracy of EFI today! Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange
» Read moreIn Stock – Ships Immediately. Holley Bolt-On 800 CFM EFI Fuel Injection Kit. Introducing the new Sniper EFI Master Kit! Perfect for street rods, muscle cars, off road trucks or just about any carbureted vehicle. The Sniper EFI master kit contains the most complete EFI fuel system on the market. Everything is included to completely plumb your fuel system including:
» Read moreHolley Sniper EFI Self-Tuning Master Kit – Shiny Finish. Part # 550-510K – Holley Sniper EFI Self-Tuning Master Kit + Handheld EFI monitor- Shiny Finish. Brand New Kit – NOT Refurbished. If you are unsure of fitment to you manifold, please message us! Inlet / Outlet Size. 9/16-18 Female O-Ring (AN 6). Sniper 4BBL TBI Kits. 1.6875 (1 11/16ths). Holley
» Read moreIn Stock / Ships Immediately. Holley Bolt-On 800 CFM EFI Fuel Injection Kit. Introducing the new Sniper EFI Master Kit! Perfect for street rods, muscle cars, off road trucks or just about any carbureted vehicle. The Sniper EFI master kit contains the most complete EFI fuel system on the market. Everything is included to completely plumb your fuel system including:
» Read moreHolley Sniper EFI 550-510K 4 Barrel Fuel Injection Conversion Master Kit Shiny. Perfect for street rods, muscle cars, off-road trucks or nearly any carbureted vehicle. Put an end to cold start issues, hesitations, vapor lock, and flooding. Upgrade to Sniper EFI and get the tactical accuracy of EFI today! Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange
» Read morePart # 550-510K – Holley Sniper EFI Self-Tuning Master Kit + Handheld EFI monitor- Shiny Finish. Brand New Kit – NOT Refurbished. Inlet / Outlet Size. 9/16-18 Female O-Ring (AN 6). Sniper 4BBL TBI Kits. 1.6875 (1 11/16ths). Holley just brought EFI within range introducing Sniper EFI master kits! Perfect for street rods, muscle cars, off road trucks or nearly
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