Nick Williams 112mm Electronic Drive-by-Wire Throttle Body for Gen V LTx SD112LTXNick Williams Performance drive by wire throttle bodies are CNC precision machined from billet aluminum to meet the demands for increased airflow on the drive by wire LSX and LTX performance engines. These throttle bodies require an aftermarket intake to fit the larger diameter throttle blade. 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