Additional Images

Granatelli Motor Sports LT1/LT4/LT5 Drive-By-Wire Billet Throttle Body Black GMTBLT4B

Fuel Injection Throttle Body

GM DBW LT1/LT4/LT5 Throttle Body 103MM-Drive-By-Wire-Black
Was: $866.25
Sale: $822.94
Save: 5%
Save: $43.31

Free Shipping Lower 48 states Over $100 (some exclusions may apply)


The Granatelli Motorsports 103mm Throttle Body, part number GMTBLT4, is an exceptional performance upgrade designed to maximize airflow and enhance throttle response in your vehicle. Crafted with precision and engineering excellence, this throttle body is built to deliver outstanding performance gains. The GMTBLT4 throttle body is specifically designed to be used with aftermarket manifolds. Its larger diameter of 103mm allows for increased airflow, resulting in improved engine efficiency and power output. With its advanced design, this throttle body optimizes air intake, providing a noticeable boost in acceleration and overall performance. The Granatelli part number GMTBLTSPC, a manifold spacer will need to be used if you are planning to pair it with the Factory Manifold. The space is designed to ensure compatibility between the throttle body and the factory manifold. The spacer guarantees proper fitment and alignment, allowing for a seamless installation and optimal performance. TUNE MAY BE REQUIRED -Proper tuning is highly recommended after installation


5.3 L models will need to run an aftermarket 6.2L style intake manifold

If you are running Factory Intake or Non- ported supercharger you will need Part Number # GMTBLTSPC



Shipping Information

  • Item Requires Shipping
  • 6.0 lbs.
  • W8.0000” x H6.0000” x L16.0000”
  • Free Shipping Lower 48 states Over $100 (some exclusions may apply)

Customer Reviews

Comment Total Reviews (0)

Write the First Review!

You must login to post a review.