New Performer Rpm Pro-Flo® EFI For S/B Chevys With Vortec-Style Heads Designed for small-block Chevrolet engines with Vortec-style heads like the Edelbrock E-Tec aluminum heads, the Performer RPM Pro-Flo multi-port electronic fuel injection system #3507 includes everything needed to bolt on powerful and efficient fuel injection. Components include an assembled induction module (single-plane manifold, 4V air valve, extruded aluminum fuel rails and high-quality low-profile fuel injectors), ECM with interchangeable chips, wiring harness, all required sensors and a fuel pump. Edelbrock EFI systems are the only systems that supply all the components including the unique Calibration Module that totally eliminates the need for a laptop. With this speed/density system you get total engine control for excellent throttle response throughout the rpm range, great fuel economy with incredible horsepower, smooth engine operation and improved cold starting. Download photo. Contact: Bill Groak, Pacific Communications Group (310) 224-4940 (bgroak@paccomgrp.com)