Granatelli C7/C8 Corvette Drive-By-Wire 103mm Throttle Body - Natural
TUNE MAY BE REQUIRED
Unlock real performance gains with the Granatelli Motorsports GMTBLT4 103mm throttle body. Precision CNC-machined from billet 6061-T6 aluminum, this throttle body is built to maximize airflow, throttle response, and overall engine efficiency. Perfect for serious enthusiasts looking to get more out of their GM LT engine.
Key Features & Performance Highlights:
- Massive 103mm Bore: Increases airflow for more power and quicker throttle response
- Dyno-Tested Gains: On a stock 2017 Camaro LT1 (E60, headers, Rotofab CAI, Holley Hi-Ram), switching from the OEM throttle body to the GMTBLT4 delivered +20 RWHP and +17 lb-ft—from 425.9 to 445.7 RWHP, and 376.6 to 393.4 lb-ft torque
- Designed for Aftermarket Manifolds: Direct bolt-on with most aftermarket intakes
- Spacer Available for Factory Fitment: Use part #GMTBLTSPC if pairing with a factory intake or non-ported supercharger
- Supports Boosted Builds: Electronic motors rated for up to 25 lbs of boost (draw or blow-through)
- Durable Construction: CNC-machined 6061-T6 billet aluminum with natural finish
- Quick Installation: Includes gasket and hardware; installs in under 20 minutes
- Vehicle Compatibility: Fits all 2014–2024 GM LT 5.3L & 6.2L engines in Chevrolet, GMC, and Cadillac applications
Important Notes:
- TUNE MAY BE REQUIRED after installation to achieve optimal performance
- 5.3L models must use an aftermarket 6.2L-style intake manifold
- Factory intake or non-ported superchargers require manifold spacer #GMTBLTSPC
Elevate your vehicle's performance with the Granatelli Motorsports GMTBLT4 103mm throttle body. Whether you're aiming for improved throttle response, increased horsepower, or enhanced acceleration, this throttle body is a valuable upgrade for your GM LT engine.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016-2019 | Cadillac | CTS | V |
| 2015-2020 | Cadillac | Escalade | Base |
| 2015-2021 | Cadillac | Escalade | Luxury |
| 2015-2020 | Cadillac | Escalade | Platinum |
| 2015-2016 | Cadillac | Escalade | Premium |
| 2017-2021 | Cadillac | Escalade | Premium Luxury |
| 2021 | Cadillac | Escalade | Premium Luxury Platinum |
| 2021 | Cadillac | Escalade | Sport |
| 2021 | Cadillac | Escalade | Sport Platinum |
| 2015-2020 | Cadillac | Escalade ESV | Base |
| 2015-2021 | Cadillac | Escalade ESV | Luxury |
| 2015-2020 | Cadillac | Escalade ESV | Platinum |
| 2015-2016 | Cadillac | Escalade ESV | Premium |
| 2017-2021 | Cadillac | Escalade ESV | Premium Luxury |
| 2021 | Cadillac | Escalade ESV | Premium Luxury Platinum |
| 2021 | Cadillac | Escalade ESV | Sport |
| 2021 | Cadillac | Escalade ESV | Sport Platinum |
| 2020 | Chevrolet | Camaro | LT1 |
| 2016-2020 | Chevrolet | Camaro | SS |
| 2017-2020 | Chevrolet | Camaro | ZL1 |
| 2017-2019 | Chevrolet | Corvette | Grand Sport |
| 2014-2020 | Chevrolet | Corvette | Stingray |
| 2015-2019 | Chevrolet | Corvette | Z06 |
| 2019 | Chevrolet | Corvette | ZR1 |
| 2020 | Chevrolet | Silverado 1500 | Custom Trail Boss |
| 2014-2020 | Chevrolet | Silverado 1500 | High Country |
| 2020 | Chevrolet | Silverado 1500 | LT Trail Boss |
| 2014-2020 | Chevrolet | Silverado 1500 | LTZ |
| 2020 | Chevrolet | Silverado 1500 | RST |
| 2019-2020 | Chevrolet | Suburban | Premier |
| 2021 | Chevrolet | Tahoe | High Country |
| 2018-2020 | Chevrolet | Tahoe | Premier |
| 2019-2020 | GMC | Sierra 1500 | AT4 |
| 2014-2020 | GMC | Sierra 1500 | Denali |
| 2014-2020 | GMC | Sierra 1500 | SLT |
| 2016-2021 | GMC | Yukon | Denali |
| 2019-2020 | GMC | Yukon | SLT |
| 2016-2021 | GMC | Yukon XL | Denali |
| 2019-2020 | GMC | Yukon XL | SLT |