5 55birdman Junior Member Aug 17, 2023 #1 City Columbia State SC Price 200.00 ECZ-9425-B manifold with throttle bores increased to 1.7" This was done to accomodate the larger butterflys on a "FiTec" EFI But shoud still be suitable for Holly style 4 BL carb. Attachments IMG_9836.jpg 52.1 KB · Views: 9 IMG_9837.jpg 72.3 KB · Views: 5 IMG_9838.jpg 94.8 KB · Views: 8
ECZ-9425-B manifold with throttle bores increased to 1.7" This was done to accomodate the larger butterflys on a "FiTec" EFI But shoud still be suitable for Holly style 4 BL carb.
