Monthly Archives: January 2021

Holley-Sniper-EFI-550-511K-4-Barrel-Fuel-Injection-Conversion-Master-Kit-Black-01-ha

Holley Sniper EFI 550-511K 4 Barrel Fuel Injection Conversion Master Kit Black

Holley Part# 550-511K Sniper EFI Self-Tuning Master Kit – Black Ceramic Finish. Holley Sniper 4 Barrel Fuel Injection Conversion – Self-Tuning Master Kit + Handheld EFI Monitor – Black Ceramic Finish. Dual Pattern bolt on carburetor replacement, designed to fit 4150 Flange & Spread Bore manifolds – (Spread Bore Sealing Plate Part #9006 is recommended). Throttle body mounted ECU no

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