Granatelli Motor Sports GM LS3 6.2L Drive-By-Wire Billet Throttle Body Black GMTBLS3B

Granatelli Motorsports 103mm RACE Throttle Body – LSX Drive-By-Wire

TUNE MAY BE REQUIRED

Built for serious LSX performance, the Granatelli 103mm RACE Throttle Body is CNC-machined from high-grade 6061-T6 billet aluminum to deliver massive airflow and throttle response gains. Designed for both naturally aspirated and forced induction builds, this throttle body is ideal for street and strip setups alike.

Key Features:

• 103mm Bore: Dramatically increases airflow over stock throttle bodies


• Boost-Ready: Handles up to 25 lbs of boost (draw-through or blow-through)


• Enhanced Acceleration: Improves engine response and driveability across the RPM range


• Direct Fit: No need to transfer parts—bolts on easily using a GM 6-pin connector


• Flexible Fitment: Works with factory or aftermarket intake manifolds


• Built to Last: CNC-machined from 6061-T6 billet aluminum for strength and durability


• Designed for LSX Engines: Compatible with LS1, LS2, LS3, LS6, LS7, LS9, LSA, LSX, LQ4 & LQ9

Important Notes:

• TUNE MAY BE REQUIRED


• Trailblazer SS applications require calibration – please call before ordering