Nick Williams made 103mm throttle body for Gen 5 LT vehicles with modified inlet. They use a 6-pin late model connector that works with late model wiring harnesses. Tuning is required for installation; and the Nick Williams Performance drive-by-wire throttle bodies come complete with stepper motor and electronics installed—no need to disassemble your factory throttle body. Comes in a natural billet aluminum finish.
This throttle body is not a direct fit for OEM intake manifolds, but can be used with:
LT1 MSD Atomic intake manifold
Eaton 1740 LT4 Supercharger
2.9L Whipple
Whipple 3.0L Truck/Suv superchargers. Whipple LT1/LT4 3.0L superchargers requires adapter WTB-103LTSPR
2.65L and 2.3L Magnuson or Edelbrock Superchargers
Procharger LT1 or LT4 Manifold
LME Manifold
Frankenstein Manifold
GT1Pro Manifold