Joe Lepone Jr.
They're all running Accufab's "Mountain Motor" EFI Throttle Bodies.
These are the standard 2.75-inch bore units and are available with or without the optional upper fuel rails. Accufab also offers these units in 2.50-inch bores, 3.00-inch bores and 3.50-inch bores, with or without the upper injector system.
Call Sonny's Racing, Pat Musi Performance or Accufab for more info.