Stock twin-bore throttle body next to a larger BBK aftermarket t…

Side-by-side comparison on a workbench of a stained factory twin-bore throttle body (left) and a larger polished BBK aftermarket unit (right) with the BBK logo cast into the housing. Both show their throttle shafts, return springs and linkage brackets along the bottom edge.

AI caption March 2011 · Photo 5484 of 8450