Single Nick Williams 112mm polished throttle body part number SD112LTX. Comes with mounting hardware. Not a direct bolt on for the OEM LT1 intake manifold or the OEM LT4 Eaton 1.7L Supercharger inlet or any aftermarket superchargers to date and requires inlet porting as well as a throttle body adapter. The throttle body has a 4.75" / 120mm inlet with a 4.40" / 112mm blade.
Nick Williams Performance has developed drive-by-wire throttle bodies which are CNC precision-machined from billet aluminum to meet the demands for increased airflow on the drive-by-wire LTX performance engines. Tuning is required. Only the billet aluminum version is available, the black was discontinued.
Nick Williams made 112mm throttle body for Gen 5 LT1 LT4 or LT5 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 any intake manifolds, porting is required to fit, but can be used with:
LT1 MSD Atomic intake manifold
Eaton 1740 LT4 Supercharger with ported inlet - We also offer this upon request
2.9L Whipple
2.65L and 2.3L Magnuson or Edelbrock Superchargers
Procharger LT1 or LT4 Manifold
LME Manifold
Frankenstein Manifold
GT1Pro Manifold
