CFM-Tech Ported Throttle Body for GM Tbi 4.3/5.0/5.7

4.3/5.0/5.7 - These Ported throttle Bodies are designed for maximum airflow with ported throttle bores, larger butterflies, thinned throttle shafts, button head butterfly screws, and machined top air entrance.

Stock 4.3/5.0/5.7 GM Tbi flows 480cfm. Our's flows 620cfm. More than enough for even modified GM TBI small block engines.


Please Read - Important Notes:

1) During ordering please enter the phone # that is easiest to reach you. We will call for your vehicle's year,model,engine size, and transmission.

2)You must swap over your current assembled injector pod,idle speed valve and TPS.

3)****$150 core charge will be in effect if core is not sent back within 30 days of delivery.
By ordering this product you are accepting this term.****

4) If you have any questions please feel free to call us. We are always more than willing to help in any way that we can.