Eckler's no longer carries the Edelbrock 91157 Ecu; Pro-Flo2; Pro-Flo Xt.
Please check out Late Great Chevy Throttle Enhancement for an updated selection.
For oval port Performer w/Thunder AVS 800 CFM carb; includes manifold/electric choke/carb/fuel line/gasgacinch/intake bolts/gaskets; EnduraShine; not legal for sale or use on pollution controlled motor vehicles~ legal for use on pre-pollution controlled vehicles~ for vehicles manufactured before emission control regulations were imposed~ vehicles pre-emmision regulations are considered uncontrolled vehicles~ for engines transplanted into an uncontrolled or pre-pollution vehicle~ not legal for use on pollution controlled vehicles~ for pre-pollution controlled vehicles or engine swaps