Marry a Nick Williams 103mm throttle body directly to your C7 ZR1's LT5 supercharger snout with this billet aluminum throttle body adapter fitting. This adapter integrates front and back O-rings for a great seal and doesn't require RTV or glue. The adapter flares smoothly from the 103mm front opening to a 110mm rear opening.
All hardware is included with this adapter.
Finish: Natural billet