Granatelli Motor Sports 87mm Ported To 95mm Drive By Wire Throttle Body 6.2L GMTBLT1

Granatelli 87 → 95 mm Ported DBW Throttle Body

Maximize the airflow of your LT1/LT4 or Gen V 6.2L build with this ported-by-GTS6 upgrade. Precision-porting takes an 87 mm throttle body and expands it to a full 95 mm, delivering smoother throttle response, bigger power hits, and plug-and-play operation—no sensor swapping required.

Fitment

• Engines: GM 6.2L LT1, LT4, and Gen V crate-style architectures


• Vehicles: 2014‑up Corvette C7/C8, Camaro, Silverado, Tahoe, Yukon, Suburban (6.2L DBW systems)


• Compatible with factory or aftermarket intake manifolds


• Simple bolt-on installation—no need to port your intake

Key Features

• Ported 87 → 95 mm venturi for optimal airflow across the RPM range


• CNC-machined 6061-T6 billet—tough, lightweight, and durable


• Boost-ready DBW motor capable of handling 25+ psi without ghosting


• Uses factory 6-pin GM DBW connector—no wiring or sensor splicing


• Works with OEM and aftermarket intakes—mounting hardware included

Performance Notice

• TUNE MAY BE REQUIRED to fully optimize calibration—especially on tuned, supercharged, or turbocharged setups

This isn’t just a throttle body—it’s a performance upgrade engineered for serious LT-based builds. By porting the throat to 95 mm and using robust, boost-ready components, Granatelli gives your engine the freedom to breathe hard and respond instantly. Install it, tune it, and enjoy throttle response and airflow that reflect the true potential of your LS build.