SKU: 645502
$569.99

$599.99

60MM ONE PIECE THROTTLE BODY FITS EFI TWIN CAMS 2006 + 109-660

Source: Custom Chrome

Building a performance big-inch EFI engine? Zipper s ThunderMax EFI components provide the big airflow required for high performance engines. These oversize 54mm and 60mm CNC-machined castings replace the 50mm factory throttle body and manifold used on models from 2006 to present. They are designed to accept the factory electronic components, including injectors, making assembly a snap.