Edelbrock Pro-Flo 4 EFI System - 29 lb./hr Injectors - SB Ford 11100 Studs offer improved reliability with

Studs offer improved reliability with longer thread engagement in the cylinder head and an extra-large radius for reduced flex

Right Hand Thread

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Edelbrock Pro-Flo 4 EFI System - 29 lb./hr Injectors - SB Ford 11100 Studs offer improved reliability withWhen choosing to upgrade your engine to modern fuel injection, look no further than Edelbrock's Pro Flo 4 EFI systems. Edelbrock has been delivering the best combination of dyno proven electronic fuel injection performance for over 40 years. Pro Flo 4 is not just a replacement for your carburetor, it's a complete engineered system that provides the ultimate in performance, drivability and quality. These easy to use, self learning EFI systems feature