Edelbrock Performer Tbi Manifold 4 3 V-6Edelbrock part #3713 Performer 4. 3L T. B. I V6 intake manifold is designed for street 1987 94 Chevrolet 4. 3L V6 with factory Throttle Body Injection. The Performer 4. 3L intake manifold provides outstanding throttle response and torque increases from idle to 5500 rpm. Accepts all factory accessories hardware. Throttle body unit remains in stock location. Not for 1994 and later engines equipped with flash memory computer. Flash memory ECM is located