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EFISupply handles many popular sizes of "monoblade" type throttle bodies. While carburetors are better undersized than oversized, the same cannot be said for EFI throttle bodies. Using an undersized throttle body will unnecessarily restrict airflow. Care should be taken to avoid going too large however as using too large a throttle body will result in a lack of throttle "resolution" or sensitivity and may negatively impact drivability. For additional information, please contact our technical staff at tech@efisupply.com.
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Billet
aluminum throttle bodies
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| 65mm, 745 CFM - 3.125” OD | $300.00 | |
| 70mm, 830 CFM - 3.125” OD | $300.00 | |
| 75mm, 915 CFM - 3.125” OD | $300.00 | |
| 80mm, 965 CFM - 3.500” OD | $300.00 | |
| 90mm, 1170 CFM - 3.750” OD | $337.35 | |
| 95mm, 1450 CFM - 4.250” OD | $387.20 | |
| 105mm, 1520 CFM - 4.250” OD | $387.20 | |
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Throttle
Body Accessories
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| Cast Elbow, 4150 Manifold flange, 60-90mm, front/rear inlet | $221.30 | |
| Cast Elbow, 4150 Manifold Flange, 60-90mm, side inlet | $221.30 | |
| Cast Elbow, 4150 Manifold flange, 90-105mm, front/rear inlet | $273.55 | |
| Cast Elbow, 4150 Manifold Flange, 90-105 90mm, side inlet | $273.55 | |
| GM IAC (Idle Air Control) Motor adapter, for above throttle bodies | $90.44 | |
| IAC Motor, GM Type | $47.57 | |
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(other
throttle body sizes and types are available, please contact tech@efisupply.com
for pricing)
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