FAST 54104 Big Mouth 102 mm Electronic Throttle Body:

• Designed to outperform all other aftermarket drive-by-wire throttle bodies for high-performance LS engines
• Uses upgraded components and a 102 mm opening to provide a huge increase in airflow especially when running a FAST manifold
• Plug-and-play for most stock Gen IV LS ECUs including but not limited to L76, L77, L99, LS3, or LS7
• Works well with any aftermarket EFI system designed to control a GM LS-style electronic throttle body
• Increased performance and reliability with a robust throttle blade capable of boosted applications
• High-performance, high-torque motor delivers quicker response
• Dual return spring and precision non-contact TPS increase reliability