Granatelli Motor Sports Hellcat Trackhawk Drive-By-Wire Billet Throttle Body GMTBSRT108B

Granatelli 108 mm DBW Billet Throttle Body (Hellcat / Trackhawk)

SKU: GMTBSRT108B

TUNE MAY BE REQUIRED

Unleash the full potential of your supercharged HEMI. Whether you're chasing quicker 60-foot times, sharper throttle response, or simply want your engine to breathe as it should, the Granatelli 108 mm Billet Throttle Body delivers uncompromising performance and bulletproof reliability. Built for enthusiasts who demand more from their build, this throttle body is the upgrade your setup’s been begging for.

Key Features & Benefits

• If the 108 mm bore is too big for your setup, we also make a 105 mm version: Granatelli 105 mm Hellcat throttle body (GMTBSRTHB).
• Boost-resistant motor: Engineered to handle 25 psi+ of boost without throttle blade deflection or shutdown—ideal for turbocharged and supercharged applications.
• 6061-T6 CNC-machined billet aluminum: Lightweight, heat-resistant, and tough as nails.
• Plug-and-play fitment: Works with OEM and aftermarket intakes. Some setups may require a sleeve (not included).
• Sharper throttle response: Smoother power delivery, faster acceleration, and immediate pedal feedback—especially under wide-open throttle.

Fitment

• Fits: 2015–2023 Dodge Challenger (including Redeye) – 6.2L Supercharged Hellcat V8
• Fits: 2015–2023 Dodge Charger (including Redeye) – 6.2L Supercharged Hellcat V8
• Fits: 2021–2024 Dodge Durango – 6.2L Supercharged Hellcat V8
• Fits: 2018–2021 Jeep Grand Cherokee (Trackhawk) – 6.2L Supercharged Hellcat V8
• Fits: 2021–2024 Ram 1500 (TRX) – 6.2L Supercharged Hellcat V8
• Compatible with both stock and aftermarket intakes

TUNE MAY BE REQUIRED to optimize performance, throttle mapping, and drivability. Recommended after installation.

If you're done playing with factory restrictions and want real, dyno-proven performance, this is your next step. The Granatelli Billet Throttle Body isn’t just a bolt-on—it’s a bolt-ahead. Paired with proper tuning, it unlocks serious horsepower gains, improved drivability, and that extra edge at the strip or on the street.