Granatelli Motorsports 103MM GM DBW LS3/LSA/LSx Throttle Body - Polished — Fuel Injection Throttle Body

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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 LS3/LSA/LSx Throttle Body - Polished

Elevate your GM LS engine's performance with the Granatelli Motorsports 103MM Drive-By-Wire Throttle Body. Specifically designed for LS3, LSA, and other LSx applications, this polished throttle body offers a significant upgrade over stock units, promoting better airflow and increased horsepower. Its precise construction ensures seamless integration with your vehicle's existing Drive-By-Wire system.

Engineered for Performance:

  • 103MM Bore Size: Maximizes airflow for enhanced engine breathing and power output.
  • Polished Finish: Adds a show-quality aesthetic to your engine bay.
  • GM DBW Compatibility: Direct fit for GM Drive-By-Wire LS3, LSA, and LSx engines.
  • Improved Throttle Response: Experience quicker reactions to pedal input.
  • High-Quality Billet Construction: Ensures durability and reliability under demanding conditions.

This throttle body is an essential upgrade for performance enthusiasts seeking to optimize their LS-powered vehicle. Whether you're building a naturally aspirated powerhouse or a forced-induction monster, the increased airflow provided by this 103MM unit will contribute to substantial gains. It's compatible with a range of Chevrolet Camaro, Corvette, and Pontiac G8 models, making it a versatile choice for many GM performance builds.

Achieve peak performance and a stunning look. Purchase the Granatelli Motorsports 103MM Polished 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 LS3/LSA/LSx Throttle Body - Polished

Elevate your GM LS engine's performance with the Granatelli Motorsports 103MM Drive-By-Wire Throttle Body. Specifically designed for LS3, LSA, and other LSx applications, this polished throttle body offers a significant upgrade over stock units, promoting better airflow and increased horsepower. Its precise construction ensures seamless integration with your vehicle's existing Drive-By-Wire system.

Engineered for Performance:

  • 103MM Bore Size: Maximizes airflow for enhanced engine breathing and power output.
  • Polished Finish: Adds a show-quality aesthetic to your engine bay.
  • GM DBW Compatibility: Direct fit for GM Drive-By-Wire LS3, LSA, and LSx engines.
  • Improved Throttle Response: Experience quicker reactions to pedal input.
  • High-Quality Billet Construction: Ensures durability and reliability under demanding conditions.

This throttle body is an essential upgrade for performance enthusiasts seeking to optimize their LS-powered vehicle. Whether you're building a naturally aspirated powerhouse or a forced-induction monster, the increased airflow provided by this 103MM unit will contribute to substantial gains. It's compatible with a range of Chevrolet Camaro, Corvette, and Pontiac G8 models, making it a versatile choice for many GM performance builds.

Achieve peak performance and a stunning look. Purchase the Granatelli Motorsports 103MM Polished 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 LS3/LSA/LSx Throttle Body - Polished

Elevate your GM LS engine's performance with the Granatelli Motorsports 103MM Drive-By-Wire Throttle Body. Specifically designed for LS3, LSA, and other LSx applications, this polished throttle body offers a significant upgrade over stock units, promoting better airflow and increased horsepower. Its precise construction ensures seamless integration with your vehicle's existing Drive-By-Wire system.

Engineered for Performance:

  • 103MM Bore Size: Maximizes airflow for enhanced engine breathing and power output.
  • Polished Finish: Adds a show-quality aesthetic to your engine bay.
  • GM DBW Compatibility: Direct fit for GM Drive-By-Wire LS3, LSA, and LSx engines.
  • Improved Throttle Response: Experience quicker reactions to pedal input.
  • High-Quality Billet Construction: Ensures durability and reliability under demanding conditions.

This throttle body is an essential upgrade for performance enthusiasts seeking to optimize their LS-powered vehicle. Whether you're building a naturally aspirated powerhouse or a forced-induction monster, the increased airflow provided by this 103MM unit will contribute to substantial gains. It's compatible with a range of Chevrolet Camaro, Corvette, and Pontiac G8 models, making it a versatile choice for many GM performance builds.

Achieve peak performance and a stunning look. Purchase the Granatelli Motorsports 103MM Polished Throttle Body from GGCRACING today!

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