The Accufab 4500 throttle body is made from high quality 6061-T6 billet aluminum and then polished to a mirror finish or anodized black, blue or red. Accufab's quality is second to none. Only the best components are used for unparalleled reliability and performance. Manufactured in the USA.
If you would like to switch from a carburetor intake to electronic fuel injection (EFI), Accufab has developed a high flow throttle body to meet your needs.
Better Air Flow for More Power: The Accufab 4500 flows 2128 CFM and has four 2-1/4" brass throttle plates.
This style uses late model GM electronics (TPS and IAC) which are included. The 4500 comes with direct linkage as standard.
We offer an idle air control block off plate. It's available polished or anodized black, or red.
Accessories Included: 4500 Series throttle body includes a throttle body gasket, throttle position sensor (TPS) and idle air control sensor (IAC) with appropriate mounting screws.