Granatelli Motorsports 103MM GM DBW LT1/LT4/LT5 Throttle Body - Black — Fuel Injection Throttle Body

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About Granatelli Motorsports Granatelli Motorsports engineers high-quality automotive parts and ...Read More

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Granatelli Motorsports

Granatelli Motorsports engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Granatelli Motorsports lineup with fast shipping and expert fitment support — order with confidence.

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Granatelli Motorsports 103MM GM DBW LT1/LT4/LT5 Throttle Body - Black

Boost the performance of your GM LT1, LT4, or LT5 engine with the Granatelli Motorsports 103MM Drive-By-Wire Throttle Body. This high-flow, black-finished throttle body is engineered to significantly increase airflow, leading to noticeable gains in horsepower and torque. Designed specifically for GM's modern V8 platforms, it ensures a direct fit and seamless integration with your vehicle's Drive-By-Wire system.

Unleash Your Engine's Potential:

  • 103MM Bore Size: Allows for substantially increased airflow compared to stock throttle bodies.
  • Black Finish: Provides a sleek, performance-oriented look in the engine bay.
  • GM DBW LT1/LT4/LT5 Specific: Engineered for precise fitment and function on compatible GM engines.
  • Enhanced Throttle Response: Delivers a more immediate and crisp response to accelerator input.
  • Durable Billet Construction: Built from high-grade materials for long-lasting reliability and performance.

This throttle body is a critical component for anyone looking to extract maximum performance from their LT-series GM vehicle. Whether you're upgrading a Cadillac CTS, Escalade, or other compatible models, this 103MM unit will help your engine breathe easier, resulting in improved acceleration and overall power delivery. It's an ideal modification for naturally aspirated or forced-induction setups, providing a solid foundation for further tuning and performance enhancements.

Achieve superior airflow and power. Order your Granatelli Motorsports 103MM Black Throttle Body from GGCRACING today!

Product Details

Product Description
Part Numbers
Sizing & Fit

About Granatelli Motorsports

Granatelli Motorsports engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Granatelli Motorsports lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Granatelli Motorsports 103MM GM DBW LT1/LT4/LT5 Throttle Body - Black

Boost the performance of your GM LT1, LT4, or LT5 engine with the Granatelli Motorsports 103MM Drive-By-Wire Throttle Body. This high-flow, black-finished throttle body is engineered to significantly increase airflow, leading to noticeable gains in horsepower and torque. Designed specifically for GM's modern V8 platforms, it ensures a direct fit and seamless integration with your vehicle's Drive-By-Wire system.

Unleash Your Engine's Potential:

  • 103MM Bore Size: Allows for substantially increased airflow compared to stock throttle bodies.
  • Black Finish: Provides a sleek, performance-oriented look in the engine bay.
  • GM DBW LT1/LT4/LT5 Specific: Engineered for precise fitment and function on compatible GM engines.
  • Enhanced Throttle Response: Delivers a more immediate and crisp response to accelerator input.
  • Durable Billet Construction: Built from high-grade materials for long-lasting reliability and performance.

This throttle body is a critical component for anyone looking to extract maximum performance from their LT-series GM vehicle. Whether you're upgrading a Cadillac CTS, Escalade, or other compatible models, this 103MM unit will help your engine breathe easier, resulting in improved acceleration and overall power delivery. It's an ideal modification for naturally aspirated or forced-induction setups, providing a solid foundation for further tuning and performance enhancements.

Achieve superior airflow and power. Order your Granatelli Motorsports 103MM Black Throttle Body from GGCRACING today!

Product Details

Product Description

About Granatelli Motorsports

Granatelli Motorsports engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Granatelli Motorsports lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Granatelli Motorsports 103MM GM DBW LT1/LT4/LT5 Throttle Body - Black

Boost the performance of your GM LT1, LT4, or LT5 engine with the Granatelli Motorsports 103MM Drive-By-Wire Throttle Body. This high-flow, black-finished throttle body is engineered to significantly increase airflow, leading to noticeable gains in horsepower and torque. Designed specifically for GM's modern V8 platforms, it ensures a direct fit and seamless integration with your vehicle's Drive-By-Wire system.

Unleash Your Engine's Potential:

  • 103MM Bore Size: Allows for substantially increased airflow compared to stock throttle bodies.
  • Black Finish: Provides a sleek, performance-oriented look in the engine bay.
  • GM DBW LT1/LT4/LT5 Specific: Engineered for precise fitment and function on compatible GM engines.
  • Enhanced Throttle Response: Delivers a more immediate and crisp response to accelerator input.
  • Durable Billet Construction: Built from high-grade materials for long-lasting reliability and performance.

This throttle body is a critical component for anyone looking to extract maximum performance from their LT-series GM vehicle. Whether you're upgrading a Cadillac CTS, Escalade, or other compatible models, this 103MM unit will help your engine breathe easier, resulting in improved acceleration and overall power delivery. It's an ideal modification for naturally aspirated or forced-induction setups, providing a solid foundation for further tuning and performance enhancements.

Achieve superior airflow and power. Order your Granatelli Motorsports 103MM Black Throttle Body from GGCRACING today!

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