Granatelli 2013-2020 GM LT1/LT4/LT5 103mm Drive-By-Wire Black Throttle Body - Part GMTBLT4B

The Granatelli Throttle Body is intended for 2013-2020 GM LT1/LT4/LT5. The supplied catalog describes this part as GM Drive-By-Wire LT1 / LT4 / LT5 Throttle Body 103MM - Drive-By-Wire - Black. The year range should be read as the applicable engine/platform generation rather than as guaranteed fitment for every vehicle built during those years. Granatelli states its drive-by-wire throttle-body line is designed as a direct-replacement performance upgrade and can increase airflow depending on the application, supporting improved throttle response on compatible combinations.

Features

• Larger or performance-oriented throttle-body sizing supports increased airflow on compatible modified intake systems.
• Drive-by-wire versions retain electronic throttle control for the listed engine platform.
• Billet versions provide a precision-machined upgrade for performance and custom engine-bay builds.

Specifications

• Brand: Granatelli Motor Sports
• Product Type: Throttle Body
• Application Type: Engine / Platform
• Application: 2013-2020 GM LT1/LT4/LT5
• Manufacturer Part Number: GMTBLT4B
• UPC: 802735039177
• Weight: 6 lb
• Opening / Diameter: 103MM
• Finish / Color: Black

Fitment Note: This row is treated primarily as engine/platform applicability. Confirm the exact engine code, ignition or accessory configuration, and vehicle-specific clearance before ordering.