Edelbrock Pro-Flo 4 EFI Kit SB Chevy Vortec 550 HP 84503 9-Bolt Steering Wheels

9-Bolt Steering Wheels

Slight rough idle

Venti Trophy Plus

Standard Thickness

1971-1972 GMC Sprint

Edelbrock Pro-Flo 4 EFI Kit SB Chevy Vortec 550 HP 84503 9-Bolt Steering WheelsWhen 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