Tbi To Spreadbore Carb Intake Manifold Adapter Vortec Inject-it-001 on 2040-parts.com

This ½ inch thick solid aluminum adapter will allow you to install a Throttle Body Injection (TBI) unit on any intake manifold with a spreadbore (Quadrajet, Thermoquad, Holley, etc)s carburetor mounting surface (see picture). With this INJECT-IT adapter, when doing a GM TBI conversion project on your old chevy truck, street rod, rock crawler, or small block Jeep, mounting your TBI unit becomes simple and attractive.

If you are doing a vortec head conversion on your(1987 -1995) Chevy or GMC truck with TBI and don’t want to pay for an expensive TBI intake manifold, just use a spreadbore vortec intake manifold such as an edelbrock performer (#2116) for example, and this INJECT-IT adapter to mount your TBI unit in a near factory location (front to back) keeping your throttle linkage, cruise control, and fuel lines easy to install. DO NOT PURCHASE A SQUARE-BORE intake manifold as your TBI throttle bores will be wider than the intake mounting surface, and airflow will be restricted.

This particular INJECT-IT adapter will only fit 1 11/16” bore TBI units generally found on the 4.3 (267), 5.0 (305), and 5.7(350) GM engines, if an adapter for TBI units modified for larger 2 inch bores is needed, please see other add for INJECT-IT-002.

The following parts will be needed for installation:

•  4 -  5/16 X 1” bolts  
•   1 - TBI Gasket (Felpro #60903) or (BWD #27723)
•  1 - Spreadbore carburetor base gasket (MrGasket #57B) or equivelent

You will be recieving the INJECT-IT adapter ONLY.

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